{"id":142,"date":"2026-04-22T14:41:59","date_gmt":"2026-04-22T06:41:59","guid":{"rendered":"http:\/\/8.210.123.186\/?p=142"},"modified":"2026-04-22T15:03:16","modified_gmt":"2026-04-22T07:03:16","slug":"miasm%e5%ad%a6%e4%b9%a0%ef%bc%881%ef%bc%89","status":"publish","type":"post","link":"http:\/\/8.210.123.186\/index.php\/2026\/04\/22\/miasm%e5%ad%a6%e4%b9%a0%ef%bc%881%ef%bc%89\/","title":{"rendered":"Miasm\u5b66\u4e60\uff081\uff09"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u4ecb\u7ecd<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ca1\u627e\u5230\u592a\u591amiasm\u6587\u7ae0\u6c89\u9ed8\u8d77\u5230\u82f1\u6587\u7ffb\u8bd1\u4f5c\u7528\u4e86\u3002<br>miasm\u662f\u4e00\u4e2a\u65e8\u5728\u5206\u6790\uff0c\u4fee\u6539\u548c\u751f\u6210\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u7684\u9006\u5411\u5de5\u7a0b\u6846\u67b6<br><strong>\u529f\u80fd<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u591a\u683c\u5f0f\u4e8c\u8fdb\u5236\u6587\u4ef6\u64cd\u4f5c<br>\u80fd\u591f\u6253\u5f00\uff0c\u62c6\u89e3\uff0c\u4fee\u6539\u5e76\u91cd\u65b0\u751f\u6210\u591a\u79cd\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0c\u5305\u62ecPE\/ELF\uff0c\u652f\u630132\u4f4d\u4e0e64\u4f4d\u3002LE\uff08\u5c0f\u7aef\uff09\u548cBE\uff08\u5927\u7aef\uff09<\/li>\n\n\n\n<li>\u591a\u67b6\u6784\u6c47\u7f16\u4e0e\u53cd\u6c47\u7f16<br>\u652f\u6301\u591a\u79cd\u6307\u4ee4\u96c6\u67b6\u6784\uff0cx86\uff0816\u4f4d\uff0c32\u4f4d\uff0c64\u4f4d\uff09\uff0cARM\uff08\u5305\u62ecThumb\uff09\uff0cMIPS\uff0cSH4\uff0cMSP430<\/li>\n\n\n\n<li>\u4e2d\u95f4\u8868\u793a<br>miasm\u5c06\u4e0d\u540c\u67b6\u6784\u7684\u8bed\u4e49\u8f6c\u5316\u4e3a\u7edf\u4e00\u7684miasm ir\uff0c\u53ef\u4ee5\u7528\u540c\u4e00\u5957\u4ee3\u7801\u903b\u8f91\u5904\u7406\u4e0d\u540c\u67b6\u6784\u6307\u4ee4<\/li>\n\n\n\n<li>\u5373\u65f6\u7f16\u8bd1\uff08JIT\uff09\u6a21\u62df<br>\u5141\u8bb8\u7528\u6237\u5bf9\u4e8c\u8fdb\u5236\u4ee3\u7801\u8fdb\u884c\u52a8\u6001\u6a21\u62df\uff0c\u5e38\u7528\u4e8e\u52a8\u6001\u5206\u6790\u4ee3\u7801\u6d41\uff0c\u81ea\u52a8\u5316\u8131\u58f3\uff0c\u6a21\u62df\u7279\u5b9a\u7684\u5e93\u51fd\u6570\u8c03\u7528<\/li>\n\n\n\n<li>\u8868\u8fbe\u5f0f\u7b80\u5316\u4e0e\u81ea\u52a8\u53cd\u6df7\u6dc6<br>miasm\u62e5\u6709\u4e00\u5957\u5f3a\u5927\u7684\u7b26\u53f7\u8ba1\u7b97\u5f15\u64ce\uff0c\u53ef\u4ee5\u5316\u7b80\u6df7\u6dc6<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5173\u952e\u7ec4\u4ef6<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f4d\u7f6e\u6570\u636e\u5e93\uff08LocationDB\uff09<br>\u53d6\u4ee3\u4e86\u65e7\u7248\u672c\u7684SymbolPool\uff0cLocationDB\u662f\u4e00\u4e2a\u5168\u5c40\u7684\u4e2d\u592e\u4ed3\u5e93\uff0c\u7528\u4e8e\u7ba1\u7406\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6240\u6709\u4ee3\u7801\u4e2d\u7684\u6807\u7b7e<\/li>\n\n\n\n<li>\u7b26\u53f7\u53ca\u5176\u5bf9\u5e94\u7684\u5730\u5740<\/li>\n\n\n\n<li>\u8bb0\u5f55\u6807\u7b7e\u4e0e\u5730\u5740\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u5145\u5f53\u4e86\u4ee3\u7801\u5b9a\u4f4d\u4e0e\u8df3\u8f6c\u903b\u8f91\u7684\u201c\u6838\u5fc3\u8c03\u5ea6\u5668\u201d<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u52a8\u6001\u7b26\u53f7\u6267\u884c\uff08DSE,Dynamic Symbolic Execution\uff09<br>DSE\u7ed3\u5408\u4e86\u52a8\u6001\u8fd0\u884c\u548c\u7b26\u53f7\u6267\u884c\u7684\u4f18\u52bf\uff0c\u5177\u6709smt\u6c42\u89e3\u5668\uff0c\u6f0f\u6d1e\u6316\u6398\uff1a\u81ea\u52a8\u68c0\u6d4b\u8d8a\u754c(Out-of-bound\uff09,\u8fd8\u539f\u7b97\u6cd5\uff0c\u7ea6\u675f\u6c42\u89e3\u83b7\u5f97\u5e8f\u5217\u53f7<\/li>\n\n\n\n<li>\u6570\u636e\u6d41\u5206\u6790\u4e0e\u4f9d\u8d56\u56fe\uff08DepGraph\uff09<br>\u901a\u8fc7DepGraph\u7ec4\u4ef6\u63d0\u4f9b\u9759\u6001\/\u52a8\u6001\u6570\u636e\u8ffd\u8e2a\u80fd\u529b<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use-Def\u94fe\u5206\u6790\uff1a\u786e\u5b9a\u5bc4\u5b58\u5668\u7684\u503c\u5728\u54ea\u5b9a\u4e49\u540e\u540e\u7eed\u4f7f\u7528<\/li>\n\n\n\n<li>\u8def\u5f84\u654f\u611f\u5206\u6790\uff1a\u533a\u5206\u4e0d\u540c\u5206\u652f\u5bf9\u6570\u636e\u72b6\u6001\u7684\u5f71\u54cd<\/li>\n\n\n\n<li>\u53c2\u6570\u8ffd\u8e2a\uff1a\u5982\u5728x86\u5206\u6790\u51fd\u6570\u7684\u53c2\u6570\u4f20\u9012\u8fc7\u7a0b<\/li>\n<\/ul>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>SSA\u4e0eIR<br>miasm\u63d0\u5347ir\uff0c\u6d88\u9664\u5197\u4f59\u5bc4\u5b58\u5668\u64cd\u4f5c<br>\u589e\u5f3a\u53ef\u8bfb\u6027\uff0c\u8f6c\u5316\u4f2a\u4ee3\u7801<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">\u5b98\u65b9blog\u63a8\u8350\u6587\u7ae0\u4e00<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/doar-e.github.io\/blog\/2014\/10\/11\/taiming-a-wild-nanomite-protected-mips-binary-with-symbolic-execution-no-such-crackme\/#shortcut-2--symbolic-execution-using-miasm\" target=\"_blank\" rel=\"noreferrer noopener\">Taming a Wild Nanomite-protected MIPS Binary With Symbolic Execution: No Such Crackme<\/a><br>\u6709\u90e8\u5206mips\uff0cnanomite\uff0cz3\u5185\u5bb9\u7565\u8fc7\u4e86\uff0c\u53ea\u9488\u5bf9miasm\u90e8\u5206<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">miasm\u7b26\u53f7\u6267\u884c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u770b\u770b\u5982\u4f55\u7528miasm\u5bf9\u5355\u4e2a\u57fa\u672c\u5757\u505a\u7b26\u53f7\u6267\u884c\uff0c\u4ee5\u5b50\u8fdb\u7a0b\u4e3b\u5faa\u73af\u7684\u7b2c\u4e00\u4e2a\u57fa\u672c\u5757\u4e3a\u4f8b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.analysis.machine import Machine\nfrom miasm2.analysis import binary\n\nbi = binary.Container(\"crackmips\")\nmachine = Machine('mips32l')\nmn, dis_engine_cls, ira_cls = machine.mn, machine.dis_engine, machine.ira\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u7528\u901a\u7528contaner\u7c7b\u6253\u5f00crackme\uff0c\u5b83\u4f1a\u81ea\u52a8\u68c0\u6d4b\u53ef\u6267\u884c\u683c\u5f0f\u5e76\u7528Elfesteem\u89e3\u6790\uff0c\u7136\u540e\u7528Machine\u7c7b\u83b7\u53d6\u5728\u53cd\u6c47\u7f16\u548c\u5206\u6790\u65f6\u6709\u7528\u7684\u7c7b\u5f15\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>BB_BEGIN = 0x00402290\nBB_END = 0x004022BC\n\n# Disassemble between BB_BEGIN and BB_END\ndis_engine = dis_engine_cls(bs=bi.bs)\ndis_engine.dont_dis = &#91;BB_END]\nbloc = dis_engine.dis_bloc(BB_BEGIN)\nprint '\\n'.join(map(str, bloc.lines))\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u901a\u8fc7\u544a\u77e5miasm\u8d77\u59cb\u548c\u7ed3\u675f\u5730\u5740\u6765\u53cd\u6c47\u7f16\u4e00\u4e2a\u57fa\u672c\u5757\uff0cdis_engine\u662f\u901a\u8fc7\u5b9e\u4f8b\u5316dis_engine_cls\u5f97\u5230\u7684\uff0cbi.bs\u662f\u6211\u4eec\u64cd\u4f5c\u7684\u4e8c\u8fdb\u5236\u6d41\u3002dont_dis\u7528\u6765\u544a\u8bc9Miasm\u5728\u5230\u8fbe\u67d0\u4e2a\u5730\u5740\u65f6\u505c\u6b62\u53cd\u6c47\u7f16\uff0c\u662f\u56e0\u4e3a\u4e0b\u4e00\u6761\u6307\u4ee4\u662f break\uff0cMiasm\u9ed8\u8ba4\u4e0d\u4f1a\u628a\u5b83\u8ba4\u4e3a\u662f\u57fa\u672c\u5757\u7ed3\u675f\u3002\u8fd0\u884c\u4e0a\u9762\u4ee3\u7801\u5e94\u5f97\u5230\u5982\u4e0b\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>LW         V1, 0x38(FP)\nSLL        V0, V1, 0x2\nADDIU      A0, FP, 0x18\nADDU       V0, A0, V0\nLW         A0, 0x8(V0)\nLW         V0, 0x38(FP)\nSUBU       A0, A0, V0\nSLL        V0, V1, 0x2\nADDIU      V1, FP, 0x18\nADDU       V0, V1, V0\nSW         A0, 0x8(V0)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u8f6c\u6362\u4e3aIR<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Transform to IR\nira = ira_cls()\nirabloc = ira.add_bloc(bloc)&#91;0]\nprint '\\n'.join(map(lambda b: str(b&#91;0]), irabloc.irs))\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5b9e\u4f8b\u5316<code>ira_cls<\/code>\u7c7b\u5e76\u8c03\u7528<code>add_bloc<\/code>\u65b9\u6cd5\u3002\u5b83\u63a5\u6536\u4e00\u4e2a\u57fa\u672c\u5757\u5e76\u8fd4\u56de\u4e00\u4e2a\u6216\u591a\u4e2aIR\u57fa\u672c\u5757\uff0c\u8fd9\u91cc\u53ea\u4f1a\u5f97\u5230\u4e00\u4e2a\uff0c\u6240\u4ee5\u53d6[0]\uff0c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>V1 = @32&#91;(FP+0x38)]\nV0 = (V1 &lt;&lt; 0x2)\nA0 = (FP+0x18)\nV0 = (A0+V0)\nA0 = @32&#91;(V0+0x8)]\nV0 = @32&#91;(FP+0x38)]\nA0 = (A0+(- V0))\nV0 = (V1 &lt;&lt; 0x2)\nV1 = (FP+0x18)\nV0 = (V1+V0)\n@32&#91;(V0+0x8)] = A0\nIRDst = loc_00000000004022BC:0x004022bc\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e00\u884c\u90fd\u662fmiasm\u7684ir\u6307\u4ee4\uff0c\u6bcf\u6761\u8bed\u53e5\u90fd\u901a\u8fc7\u5bf9\u67d0\u4e9b\u53d8\u91cf\u4ea7\u751f\u7684\u7684\u526f\u4f5c\u7528\u6765\u63cf\u8ff0\uff0c\u4f7f\u7528\u8868\u8fbe\u5f0f\u548c\u590d\u5236\u64cd\u4f5c\u3002&nbsp;<code>@32[...]<\/code>\u8868\u793a32\u4e3a\u5185\u5b58\u8bbf\u95ee\uff0c\u5728\u7b49\u53f7\u5de6\u8fb9\u8868\u793a\u5199\u5165\u64cd\u4f5c\uff0c\u53f3\u8fb9\u8868\u793a\u8bfb\u53d6\u64cd\u4f5c\u3002\u6700\u540e\u4e00\u884c\u4f7f\u7528\u4e86\u4f2a\u5bc4\u5b58\u5668IRDst\uff08\u76f8\u5f53\u4e8eIR\u7684pc-\u7a0b\u5e8f\u8ba1\u6570\u5668\uff09\u6307\u660e\u4e0b\u4e00\u57fa\u672c\u5757\u5730\u5740<br>\u8865\uff1a<br>\u5728\u673a\u5668\u5c42\uff0cPC\u4fdd\u5b58\u4e0b\u4e00\u6761\u8981\u6267\u884c\u7684\u6307\u4ee4\u5730\u5740\uff0c\u5728Miasm\u7684IR\u4e2d\uff0c\u7528\u4e00\u4e2a\u4f2a\u5bc4\u5b58\u5668IRDst\u6765\u8868\u793a\u8fd9\u4e2a\u57fa\u672c\u5757\u6267\u884c\u5b8c\u540e\u7a0b\u5e8f\u8981\u8df3\u5230\u54ea\u91cc\uff08\u76f8\u5f53\u4e8eIR\u7684PC\/\u63a7\u5236\u6d41\u76ee\u6807\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.expression.expression import *\nfrom miasm2.ir.symbexec import symbexec\nfrom miasm2.expression.simplifications import expr_simp\n\n# Prepare symbolic execution\nsymbols_init = {}\nfor i, r in enumerate(mn.regs.all_regs_ids):\n    symbols_init&#91;r] = mn.regs.all_regs_ids_init&#91;i]\n\n# Perform symbolic exec\nsb = symbexec(ira, symbols_init)\nsb.emulbloc(irabloc)\n\nmem, exprs = sb.symbols.symbols_mem.items()&#91;0]\nprint \"Memory changed at %s :\" % mem\nprint \"\\tbefore:\", exprs&#91;0]\nprint \"\\tafter:\", exprs&#91;1]\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u884c\u521d\u59cb\u5316\u7528\u4e8e\u7b26\u53f7\u6267\u884c\u7684\u7b26\u53f7\u6c60\uff0c\u7136\u540e\u7528<code>symbexec<\/code>\u53bb\u521b\u5efa\u6267\u884c\u5f15\u64ce\uff0c\u5e76\u63d0\u4f9bir\u57fa\u672c\u5757\uff0c\u6267\u884c\u7ed3\u679c\u53ef\u4ece<code>sb.symbols<\/code>\u4e2d\u8bfb\u53d6\uff0c\u8fd9\u91cc\u6211\u4eec\u4e3b\u8981\u5173\u6ce8\u5185\u5b58\u65b9\u9762\u5f71\u54cd\uff0c\u6240\u4ee5\u4f7f\u7528<code>symbols_mem.items()<\/code>\u6765\u4f8b\u4e3e\u3002<code>symbols_mem<\/code>\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u5b57\u5178\uff0c\u5176\u952e\u662f\u6267\u884c\u8fc7\u7a0b\u4e2d\u53d1\u751f\u53d8\u5316\u7684\u5185\u5b58\u4f4d\u7f6e\uff0c\u503c\u662f\u5305\u542b\u8be5\u4f4d\u7f6e\u539f\u6709\u503c\u548c\u65b0\u503c\u7684\u4e8c\u5143\u503c\uff0c\u53ea\u6709\u4e00\u5904\u53d8\u5316\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Memory changed at (FP_init+(@32&#91;(FP_init+0x38)] &lt;&lt; 0x2)+0x20) :\n  before: @32&#91;(FP_init+(@32&#91;(FP_init+0x38)] &lt;&lt; 0x2)+0x20)]\n  after: (@32&#91;(FP_init+(@32&#91;(FP_init+0x38)] &lt;&lt; 0x2)+0x20)]+(- @32&#91;(FP_init+0x38)]))\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u8fbe\u5f0f\u53d8\u5f97\u6709\u70b9\u590d\u6742\uff0c\u4f46\u4ecd\u53ef\u8bfb\u3002<code>FP_init<\/code>\u8868\u793a\u6267\u884c\u5f00\u59cb\u65f6fp\u7684\u503c\u3002\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u67d0\u4e2a\u5185\u5b58\u4f4d\u7f6e\u88ab\u51cf\u53bb\u4e86\u4e00\u4e2a\u503c\u3002\u63a5\u7740\u53ef\u4ee5\u7528Miasm\u7684\u7b80\u5316\u89c4\u5219\u7f8e\u5316\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Simplifications\nfp_init = ExprId('FP_init', 32)\nzero_init = ExprId('ZERO_init', 32)\ne_i_pattern = expr_simp(ExprMem(fp_init + ExprInt32(0x38), 32))\ne_i = ExprId('i', 32)\ne_pass_i_pattern = expr_simp(ExprMem(fp_init + (e_i &lt;&lt; ExprInt32(2)) + ExprInt32(0x20), 32))\ne_pass_i = ExprId(\"pwd&#91;i]\", 32)\n\nsimplifications = {e_i_pattern      : e_i,\n                    e_pass_i_pattern : e_pass_i,\n                    zero_init        : ExprInt32(0) }\n\ndef my_simplify(expr):\n    expr2 = expr.replace_expr(simplifications)\n    return expr2\n\nprint \"%s = %s\" % (my_simplify(exprs&#91;0]) ,my_simplify(exprs&#91;1]))\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u58f0\u660e\u4e86\u4e09\u6761\u66ff\u6362\u89c4\u5219<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u628a<code>@32[(FP_init+0x38)]<\/code>\u66ff\u6362\u6210<code>i<\/code><\/li>\n\n\n\n<li>\u628a<code>@32[(FP_init+(i &lt;&lt; 0x2)+0x20)]<\/code>\u66ff\u6362\u6210<code>pwd[i]<\/code><\/li>\n\n\n\n<li>\u628a<code>ZERO_init<\/code>\u66ff\u6362\u62100\uff08\u6b64\u5904\u975e\u5fc5\u987b\uff09<br>\uff08\u539f\u6587\u63d0\u9192\u6709\u66f4\u901a\u7528\u7684\u6a21\u5f0f\u5339\u914d\u65b9\u5f0f\uff0c\u4f46\u8fd9\u91cc\u4e0d\u9700\u8981\uff09<br>\u7b80\u5316\u540e\u7684\u7ed3\u679c\u662f\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>pwd&#91;i] = (pwd&#91;i]+(- i))\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8fd9\u4e2a\u57fa\u672c\u5757\u53ea\u662f\u505a\u4e86\u4e00\u4e2a\u51cf\u6cd5\u64cd\u4f5c\u3002\u8f93\u51fa\u5176\u5b9e\u662f\u6709\u6548\u7684Python\u4ee3\u7801<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u6587\u7ae0\u4e8c<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/blog.quarkslab.com\/deobfuscation-recovering-an-ollvm-protected-program.html\" target=\"_blank\" rel=\"noreferrer noopener\">Deobfuscation: recovering an OLLVM-protected program<\/a><br>\u6b64\u6587\u793a\u4f8b\u57fa\u4e8e\u6587\u7ae0\u5199\u65f6\u6700\u65b0\u7684miasm\u7248\u672c\uff08\u6307\u5b9a\u4e86commit id\uff09<br>\u60f3\u8981\u53bb\u6df7\u6dc6\uff0c\u4e00\u79cd\u505a\u6cd5\u65f6\u628a\u57fa\u672c\u5757\u5185\u5bb9\u53d8\u6210llvm ir\uff0c\u4ee5\u4fbf\u91cd\u65b0\u7f16\u8bd1\u5e76\u5bf9\u5176\u5e94\u7528\u4f18\u5316pass\u6765\u6e05\u7406\u65e0\u7528\u4ee3\u7801\uff0c\u4ece\u800c\u5f97\u5230\u65b0\u7684\u4e8c\u8fdb\u5236\u4f46\u8fd9\u6bd4\u8f83\u8017\u65f6\u3002\u76f8\u53cd\uff0c\u9009\u62e9\u5728ida\u4e2d\u6784\u5efa\u53bb\u6df7\u6dc6\u8f93\u51fa\u56fe\uff0c\u4f7f\u7528idapython\u7684graphviewer\u7c7b\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u66f4\u5bb9\u6613\u7684\u6784\u5efa\u8282\u70b9\u548c\u53d8\uff0c\u5e76\u7528miasm\u4e2d\u95f4\u8868\u793a\u6765\u586b\u5145\u57fa\u672c\u5757\u5185\u5bb9<br>ollvm\u7531\u4e09\u79cd\u4e0d\u540c\u4fdd\u62a4\u673a\u5236\u7ec4\u6210\uff1a\u63a7\u5236\u6d41\u5e73\u5766\u5316\uff0c\u865a\u5047\u63a7\u5236\u6d41\u548c\u6307\u4ee4\u66ff\u6362<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a7\u5236\u6d41\u5e73\u5766\u5316<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260324140656.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"704\" height=\"654\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260324140656.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-143\"  sizes=\"auto, (max-width: 704px) 100vw, 704px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Miasm\u6846\u67b6\u6709\u4e00\u4e2a\u7b26\u53f7\u6267\u884c\u5f15\u64ce\uff08\u652f\u6301x86 32\u4f4d\u67b6\u6784\u548c\u5176\u4ed6\u4e00\u4e9b\u67b6\u6784\uff09\uff0c\u5b83\u57fa\u4e8e\u81ea\u5df1\u7684IR\u4ee5\u53ca\u5c06\u4e8c\u8fdb\u5236\u4ee3\u7801\u8f6c\u6362\u4e3aIR\u7684\u53cd\u6c47\u7f16\u5668<br>\u4e0b\u9762\u662fMiasm Python\u4ee3\u7801\uff0c\u80fd\u591f\u5bf9\u4e00\u4e2a\u57fa\u672c\u5757\u8fdb\u884c\u7b26\u53f7\u6267\u884c\uff0c\u4ee5\u8ba1\u7b97\u5176\u76ee\u6807\u5730\u5740<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u4ece Miasm \u6846\u67b6\u5bfc\u5165\nfrom miasm2.core.bin_stream                 import bin_stream_str\nfrom miasm2.arch.x86.disasm                 import dis_x86_32\nfrom miasm2.arch.x86.ira                    import ir_a_x86_32\nfrom miasm2.arch.x86.regs                   import all_regs_ids, all_regs_ids_init\nfrom miasm2.ir.symbexec                     import symbexec\nfrom miasm2.expression.simplifications      import expr_simp\n\n# \u4e8c\u8fdb\u5236\u8def\u5f84\u548c\u76ee\u6807\u51fd\u6570\u7684\u504f\u79fb\noffset = 0x3e0\nfname = \"..\/src\/target\"\n\n# \u83b7\u53d6 Miasm \u7684\u4e8c\u8fdb\u5236\u6d41\nbin_file = open(fname).read()\nbin_stream = bin_stream_str(bin_file)\n\n# \u5728 'offset' \u5904\u5bf9\u51fd\u6570\u7684\u57fa\u672c\u5757\u8fdb\u884c\u53cd\u6c47\u7f16\nmdis = dis_x86_32(bin_stream)\ndisasm = mdis.dis_multibloc(offset)\n\n# \u521b\u5efa\u76ee\u6807 IR \u5bf9\u8c61\u5e76\u5c06\u6240\u6709\u57fa\u672c\u5757\u6dfb\u52a0\u5230\u5176\u4e2d\nir = ir_a_x86_32(mdis.symbol_pool)\nfor bbl in disasm: ir.add_bloc(bbl)\n\n# \u7528\u6240\u6709\u5df2\u77e5\u5bc4\u5b58\u5668\u521d\u59cb\u5316\u6211\u4eec\u7684\u7b26\u53f7\nsymbols_init =  {}\nfor i, r in enumerate(all_regs_ids):\n    symbols_init&#91;r] = all_regs_ids_init&#91;i]\n\n# \u521b\u5efa\u7b26\u53f7\u6267\u884c\u5f15\u64ce\nsymb = symbexec(ir, symbols_init)\n\n# \u83b7\u53d6\u6211\u4eec\u60f3\u8981\u7684\u57fa\u672c\u5757\u5e76\u6a21\u62df\u5b83\n# \u6211\u4eec\u83b7\u53d6\u5230\u4e0b\u4e00\u4e2a\u8981\u6267\u884c\u7684\u57fa\u672c\u5757\u7684\u5730\u5740\nblock = ir.get_bloc(offset)\nnxt_addr = symb.emulbloc(block)\n\n# \u8fd0\u884c Miasm \u7684\u7b80\u5316\u5f15\u64ce\uff0c\u4ee5\u786e\u4fdd\u62e5\u6709\u6700\u7b80\u5355\u7684\u8868\u8fbe\u5f0f\nsimp_addr = expr_simp(nxt_addr)\n\n# simp_addr \u53d8\u91cf\u662f\u4e00\u4e2a\u6574\u6570\u8868\u8fbe\u5f0f\uff08\u4e0b\u4e00\u4e2a\u57fa\u672c\u5757\u7684\u504f\u79fb\uff09\nif isinstance(simp_addr, ExprInt):\n  print(\"\u8df3\u8f6c\u5230\u4e0b\u4e00\u4e2a\u57fa\u672c\u5757: %s\" % simp_addr)\n\n# simp_addr \u53d8\u91cf\u662f\u4e00\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\nelif isinstance(simp_addr, ExprCond):\n  branch1 = simp_addr.src1\n  branch2 = simp_addr.src2\n  print(\"\u6761\u4ef6: %s \u6216 %s\" % (branch1, branch2))\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u662f\u793a\u4f8b\uff0c\u4e3a\u8986\u76d6\u6240\u6709\u57fa\u672c\u5757\uff0c\u53ef\u4ee5\u4ece\u76ee\u6807\u51fd\u6570\u7684\u5f00\u59cb\u8ddf\u968f\u6267\u884c\u6d41\uff0c\u9010\u4e00\u63a2\u7d22\u5206\u652f\uff0c\u590d\u539f\u529f\u80fd\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u6709\u4e00\u4e2a\u5206\u652f\u6808\uff0c\u4ee5\u5728\u5230\u8fbe\u51fd\u6570\u8fd4\u56de\u65f6\u5904\u7406\u53ef\u7528\u7684\u4e0b\u4e00\u4e2a\u5206\u652f\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u5206\u652f\uff0c\u6211\u4eec\u90fd\u9700\u8981\u4fdd\u5b58\u72b6\u6001\uff0c\u4ee5\u4fbf\u5728\u5904\u7406\u5b83\u65f6\u6062\u590d\u6240\u6709\u7b26\u53f7\u6267\u884c\u4e0a\u4e0b\u6587\uff08\u4f8b\u5982\u5bc4\u5b58\u5668\uff09<br><strong>\u4e2d\u95f4\u51fd\u6570<\/strong><br>\u5e94\u7528\u4e4b\u524d\u89e3\u91ca\u7684\u65b9\u6cd5\u540e\uff0c\u6211\u4eec\u80fd\u591f\u91cd\u5efa\u4e00\u4e2a\u4e2d\u95f4\u63a7\u5236\u6d41\u56fe\uff08CFG\uff09\u3002\u8ba9\u6211\u4eec\u7528\u6211\u4eec\u7684\u56fe\u5f62\u8868\u793a\u811a\u672c\u5c06\u5176\u5c55\u793a\u51fa\u6765<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260324140924-1024x576.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260324140924-1024x576.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-144\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u5728\u8fd9\u4e2a\u4e2d\u95f4\u51fd\u6570\u4e2d\uff0c\u6240\u6709\u6709\u7528\u57fa\u672c\u5757\u548c\u6761\u4ef6\u90fd\u53ef\u4ee5\u89c1\uff0c\u5c3d\u7ba1\u4e3b\u8c03\u5ea6\u5668\u53ca\u5b50\u8c03\u5ea6\u5668\u6709\u5229\u4e8e\u6267\u884c\u4ee3\u7801\uff0c\u4f46\u73b0\u5728\u53ea\u9700\u6062\u590d\u539f\u59cb\u7684\u63a7\u5236\u6d41\u56fe\uff0c\u6240\u4ee5\u53ea\u4fdd\u7559\u76f8\u5173\u57fa\u672c\u5757<br>\u5728ollvm\u4e2d\uff0c\u5927\u90e8\u5206\u76f8\u5173\u5757\uff08\u9664\u4e86\u524d\u8a00\u548c\u8fd4\u56de\u57fa\u672c\u5757\uff09\u90fd\u4f4d\u4e8e\u53ef\u68c0\u6d4b\u4f4d\u7f6e\uff0c\u6211\u4eec\u5fc5\u987b\u4ece\u539f\u59cb\u88ab\u4fdd\u62a4\u51fd\u6570\u5f00\u59cb\uff0c\u7f16\u5199\u4e00\u4e9b\u4ee3\u7801\u6765\u6784\u5efa\u4e00\u4e2a\u901a\u7528\u7b97\u6cd5\uff0c\u627e\u5230\u76f8\u5173\u5757<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ece\u51fd\u6570\u524d\u8a00\u5f00\u59cb<\/li>\n\n\n\n<li>\u4e3b\u8c03\u5ea6\u5668\u4e0a\uff0c\u83b7\u53d6\u7236\u8282\u70b9\uff0c\u4e0e\u524d\u8a00\u4e0d\u540c\uff0c\u5b83\u662f\u524d\u8c03\u5ea6\u5668\uff08\uff1f\uff09<\/li>\n\n\n\n<li>\u5c06\u6240\u6709\u524d\u8c03\u5ea6\u5668\u7684\u7236\u8282\u70b9\u6807\u8bb0\u4e3a\u76f8\u5173<\/li>\n\n\n\n<li>\u5c06\u552f\u4e00\u6ca1\u6709\u5b50\u8282\u70b9\u7684\u5757\u6807\u8bb0\u4e3a\u76f8\u5173\uff1a\u8fd4\u56de\u5757<br>\u8fd9\u4e2a\u7b97\u6cd5\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528Miasm\u53cd\u6c47\u7f16\u5668\u9759\u6001\u5b9e\u73b0\uff0c\u8be5\u53cd\u6c47\u7f16\u5668\u4e3a\u6211\u4eec\u63d0\u4f9b\u76ee\u6807\u51fd\u6570\u7684\u6240\u6709\u53cd\u6c47\u7f16\u57fa\u672c\u5757\u5217\u8868\u3002\u4e00\u65e6\u6211\u4eec\u83b7\u5f97\u4e86\u76f8\u5173\u5757\u7684\u5217\u8868\uff0c\u5c31\u80fd\u591f\u5728\u7b26\u53f7\u6267\u884c\u671f\u95f4\u9075\u5faa\u4e0a\u8ff0\u7b97\u6cd5\u7684\u89c4\u5219\u91cd\u5efa\u539f\u59cb\u63a7\u5236\u6d41<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u4ee5\u5305\u542b\u7236\u5757\uff08\u521d\u59cb\u65f6\u4e3a\u524d\u8a00\uff09\uff08\u4ec5\u76f8\u5173\u5757\u53ef\u4ee5\u8d4b\u503c\u7ed9\u6b64\u53d8\u91cf\uff09\u3002<\/li>\n\n\n\n<li>\u5728\u6bcf\u4e2a\u9047\u5230\u7684\u65b0\u5757\u4e2d\uff0c\u5982\u679c\u5b83\u5728\u76f8\u5173\u5217\u8868\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5176\u4e0e\u7236\u5757\u4e4b\u95f4\u5efa\u7acb\u94fe\u63a5\u3002\u5c06\u8fd9\u4e2a\u65b0\u5757\u8bbe\u7f6e\u4e3a\u7236\u5757\u3002<\/li>\n\n\n\n<li>\u5728\u6bcf\u4e2a\u6761\u4ef6\u5206\u652f\u4e2d\uff0c\u6bcf\u6761\u8def\u5f84\u5c06\u62e5\u6709\u81ea\u5df1\u7684\u76f8\u5173\u7236\u5757\u53d8\u91cf\u3002<\/li>\n\n\n\n<li>\u4ee5\u6b64\u7c7b\u63a8\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5728\u8fd9\u91cc\u6211\u4eec\u53cd\u6c47\u7f16\u76ee\u6807\u51fd\u6570\u5e76\u6536\u96c6\u76f8\u5173\u5757\n# \u4e3a\u4e86\u6e05\u6670\u8d77\u89c1\u800c\u8fdb\u884c\u4e86\u7b80\u5316\uff0c\u4f46\u8fd9\u91cc\u6ca1\u6709\u590d\u6742\u7684\uff0c\u7b97\u6cd5\u5728\u4e0a\u9762\u7ed9\u51fa\nrelevants = get_relevants_blocks()\n\n# \u63a7\u5236\u6d41\u5b57\u5178 {parent: set(childs)}\nflow = {}\n\n# \u521d\u59cb\u5316\u63a7\u5236\u6d41\u5b57\u5178\uff0c\u8bbe\u7f6e\u5b50\u8282\u70b9\u4e3a\u7a7a\u96c6\nfor r in relevants: flow&#91;r] = set()\n\n# \u5f00\u59cb\u7b26\u53f7\u6267\u884c\u5faa\u73af\nwhile True:\n\n    block_state = # \u83b7\u53d6\u4e0b\u4e00\u4e2a\u5757\u7684\u72b6\u6001\u8fdb\u884c\u6a21\u62df\n\n    # \u83b7\u53d6\u5f53\u524d\u5206\u652f\u53c2\u6570\n    # \"parent_addr\" \u662f\u4e4b\u524d\u770b\u5230\u7684\u7236\u5757\u53d8\u91cf\n    # \"symb\" \u662f\u5f53\u524d\u5206\u652f\u7684\u4e0a\u4e0b\u6587\uff08\u7b26\u53f7\uff09\n    parent_addr, block_addr, symb = block_state\n\n    # \u5982\u679c\u5b83\u662f\u4e00\u4e2a\u76f8\u5173\u5757\n    if block_addr in flow:\n\n        # \u6211\u4eec\u907f\u514d\u8bbf\u95ee\u524d\u8a00\u7684\u7236\u5757\uff0c\u56e0\u4e3a\u5b83\u4e0d\u5b58\u5728\n        if parent_addr != ExprInt32(prologue_parent):\n\n            # \u5efa\u7acb\u5757\u4e0e\u5176\u76f8\u5173\u7236\u5757\u4e4b\u95f4\u7684\u94fe\u63a5\n            flow&#91;parent_addr].add(block_addr)\n\n        # \u7136\u540e\u5c06\u8be5\u5757\u8bbe\u7f6e\u4e3a\u65b0\u7684\u76f8\u5173\u7236\u5757\n        parent_addr = block_addr\n\n    # \u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u6a21\u62df\u4e0b\u4e00\u4e2a\u5757\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u53ef\u4ee5\u83b7\u5f97\u63a7\u5236\u6d41\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260324141953-1024x625.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"625\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260324141953-1024x625.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-145\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u865a\u5047\u63a7\u5236\u6d41<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2apass\u5bf9\u4e8e\u6bcf\u4e2a\u9700\u8981\u6df7\u6dc6\u7684\u57fa\u672c\u5757\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e0d\u900f\u660e\u8c13\u8bcd\u7684\u65b0\u5757\uff0c\u8be5\u8c13\u8bcd\u4f1a\u5bfc\u81f4\u4e00\u4e2a\u6761\u4ef6\u8df3\u8f6c\uff0c\u5f15\u5bfc\u5230\u771f\u5b9e\u5757\u6216\u8005\u53e6\u4e00\u4e2a\u5305\u542b\u65e0\u7528\u4ee3\u7801\u7684\u5757\u3002\u5305\u542b\u65e0\u7528\u4ee3\u7801\u7684\u57fa\u672c\u5757\u53ef\u80fd\u8fd4\u56de\u5230\u5b83\u7684\u7236\u5757\uff0c\u5982\u679c\u5728\u7b26\u53f7\u6267\u884c\u4e2d\u9075\u5faa\u8fd9\u4e2a\u8def\u5f84\uff0c\u4f1a\u9677\u5165\u65e0\u9650\u5faa\u73af\uff0c\u6240\u4ee5\u9700\u8981\u89e3\u51b3\u6389\u4e0d\u900f\u660e\u8c13\u8bcd\u4ee5\u627e\u5230\u6b63\u786e\u8def\u5f84<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4e4b\u524d:\n\/\/                       entry\n\/\/                         |\n\/\/                   ______v______\n\/\/                  |   \u539f\u59cb    |\n\/\/                  |_____________|\n\/\/                         |\n\/\/                         v\n\/\/                       return\n\/\/\n\/\/ \u4e4b\u540e:\n\/\/                       entry\n\/\/                         |\n\/\/                     ____v_____\n\/\/                    |condition*| (false)\n\/\/                    |__________|----+\n\/\/                   (true)|          |\n\/\/                         |          |\n\/\/                   ______v______    |\n\/\/              +--&gt;|   \u539f\u59cb*   |   |\n\/\/              |   |_____________| (true)\n\/\/              |   (false)|    !-----------&gt; return\n\/\/              |    ______v______    |\n\/\/              |   |   \u6539\u53d8\u7684    |&lt;--!\n\/\/              |   |_____________|\n\/\/              |__________|\n\/\/\n\/\/  * \u8fd9\u4e9b\u7ec8\u6b62\u5206\u652f\u6761\u4ef6\u7684\u7ed3\u679c\u603b\u662f\u4e3a\u771f\uff0c\u4f46\u8fd9\u4e9b\u8c13\u8bcd\u662f\u4e0d\u900f\u660e\u7684\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u58f0\u660e\u4e24\u4e2a\u5168\u5c40\u503c\uff1ax \u548c y\uff0c\u5e76\u5c06 FCMP_TRUE \u8c13\u8bcd\u66ff\u6362\u4e3a (y &lt; 10 || x * (x + 1) % 2 == 0) \uff08\u8fd9\u53ef\u4ee5\u6539\u8fdb\uff0c\u56e0\u4e3a\u5168\u5c40\u503c\u7ed9\u51fa\u4e86\u4e0d\u900f\u660e\u8c13\u8bcd\u4f4d\u7f6e\u7684\u7ebf\u7d22\uff09\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6211\u4eec\u7684\u7b26\u53f7\u6267\u884c\u671f\u95f4\uff0c\u6211\u4eec\u9700\u8981\u7b80\u5316\u4ee5\u4e0b\u4e0d\u900f\u660e\u8c13\u8bcd\uff1a<code>(y &lt; 10 || x * (x + 1) % 2 == 0)<\/code>\u3002Miasm\u4ecd\u7136\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u56e0\u4e3a\u5b83\u5305\u542b\u4e00\u4e2a\u5728\u5176\u81ea\u8eab\u7684IR\u4e0a\u8fd0\u4f5c\u7684\u8868\u8fbe\u5f0f\u7b80\u5316\u5f15\u64ce\u3002\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u5bf9\u4e0d\u900f\u660e\u8c13\u8bcd\u7684\u77e5\u8bc6\u3002\u7531\u4e8e\u6211\u4eec\u6709\u4e00\u4e2a\u201c\u6216\u201d(<code>||<\/code>)\u5728\u4e24\u4e2a\u65b9\u7a0b\u4e4b\u95f4\uff0c\u5e76\u4e14\u7ed3\u679c\u5fc5\u987b\u4e3aTrue\uff0c\u53ea\u8981\u7b80\u5316\u5176\u4e2d\u4e00\u4e2a\u5c31\u8db3\u591f\u4e86<br>\u8fd9\u91cc\u7684\u76ee\u6807\u662f\u4f7f\u7528Miasm\u8fdb\u884c\u6a21\u5f0f\u5339\u914d\uff0c\u66ff\u6362\u8868\u8fbe\u5f0f&nbsp;<code>x * (x + 1) % 2<\/code>&nbsp;\u4e3a\u96f6\u3002\u56e0\u6b64\uff0c\u4e0d\u900f\u660e\u8c13\u8bcd\u7684\u53f3\u4fa7\u4e3aTrue\uff0c\u53ef\u4ee5\u89e3\u51b3<br>\u53ef\u4ee5\u67e5\u770bollvm\u6e90\u7801\u6765\u9a8c\u8bc1<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>BogusControlFlow.cpp:620\n\n\/\/ \u5982\u679c y &lt; 10 \u6216\u8005 x*(x+1) % 2 == 0\nopX = new LoadInst ((Value *)x, \"\", (*i));\nopY = new LoadInst ((Value *)y, \"\", (*i));\n\nop = BinaryOperator::Create(Instruction::Sub, (Value *)opX,\n    ConstantInt::get(Type::getInt32Ty(M.getContext()), 1,\n      false), \"\", (*i));\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code># \u4ece Miasm \u6846\u67b6\u5bfc\u5165\nfrom miasm2.expression.expression           import *\nfrom miasm2.expression.simplifications      import expr_simp\n\n# \u5b9a\u4e49\u6211\u4eec\u7684\u5339\u914d\u53d8\u91cf\njok1 = ExprId(\"jok1\")\njok2 = ExprId(\"jok2\")\n\n# \u81ea\u5b9a\u4e49\u8868\u8fbe\u5f0f\u7b80\u5316\u56de\u8c03\n# \u6211\u4eec\u5728\u641c\u7d22\uff1a (x * (x - 1) % 2)\ndef simp_opaque_bcf(e_s, e):\n\n    # \u5c1d\u8bd5\u5339\u914d (a * b) % 2\n    to_match = ((jok1 * jok2)&#91;0:32] &amp; ExprInt32(1))\n    result = MatchExpr(e, to_match, &#91;jok1, jok2])\n    if (result is False) or (result == {}):\n        return e  # \u4e0d\u5339\u914d\u3002\u8fd4\u56de\u672a\u4fee\u6539\u7684\u8868\u8fbe\u5f0f\n\n    # \u6709\u8da3\u7684\u5019\u9009\u9879\uff0c\u5c1d\u8bd5\u66f4\u7cbe\u786e\n    # \u9a8c\u8bc1 b == (a - 1)\n    mult_term1 = expr_simp(result&#91;jok1]&#91;0:32])\n    mult_term2 = expr_simp(result&#91;jok2]&#91;0:32])\n    if mult_term2 != (mult_term1 + ExprInt(uint32(-1))):\n        return e  # \u4e0d\u5339\u914d\u3002\u8fd4\u56de\u672a\u4fee\u6539\u7684\u8868\u8fbe\u5f0f\n\n    # \u5339\u914d\u5230\u4e0d\u900f\u660e\u8c13\u8bcd\uff0c\u8fd4\u56de 0\n    return ExprInt32(0)\n\n# \u5c06\u6211\u4eec\u7684\u81ea\u5b9a\u4e49\u56de\u8c03\u6dfb\u52a0\u5230 Miasm \u9ed8\u8ba4\u7b80\u5316\u5f15\u64ce\n# expr_simp \u5bf9\u8c61\u662f ExpressionSimplifier \u7c7b\u7684\u4e00\u4e2a\u5b9e\u4f8b\nsimplifications = {ExprOp: &#91;simp_opaque_bcf]}\nexpr_simp.enable_passes(simplifications)\n<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\"><a href=\"https:\/\/miasm.re\/blog\/2017\/10\/05\/playing_with_dynamic_symbolic_execution.html\" target=\"_blank\" rel=\"noreferrer noopener\">DSE<\/a><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u52a8\u6001\u7b26\u53f7\u6267\u884c\u662f\u6307\u540c\u65f6\u8fd0\u884c\u7b26\u53f7\u6267\u884c\u548c\u5177\u4f53\u6267\u884c\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7b26\u53f7\u6267\u884c\u53ef\u4ee5\u501f\u52a9\u5177\u4f53\u8def\u5f84\u6765\u907f\u514d\u53ef\u80fd\u8def\u5f84\uff08\u5728\u5faa\u73af\u4e2d\uff09\u7684\u6570\u91cf\u7206\u70b8\uff0c\u5728\u65b9\u7a0b\u53d8\u5f97\u8fc7\u4e8e\u590d\u6742\u65f6\u4f7f\u7528\u5177\u4f53\u503c\u6216\u7cfb\u7edf\u8c03\u7528\u7684\u503c<br>\u5728\u7ed9\u5b9a\u65f6\u95f4\u53ea\u6709\u4e00\u6761\u8def\u5f84\u88ab\u8003\u8651\uff0c\u4f46\u662f\u6cbf\u7740\u8def\u5f84\u7684\u8f93\u5165\u7ea6\u675f\u53ef\u4ee5\u7d2f\u8ba1\u5e76\u53cd\u8f6c\uff0c\u4ece\u800c\u751f\u6210\u65b0\u8f93\u5165\u4ee5\u8fbe\u5230\u65b0\u4ee3\u7801<br>\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int func(int arg) {\n    arg += 1;\n    if (arg &amp; 0xFF == 0x12) {\n        arg += 13;\n    }\n    return arg;\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba9\u6211\u4eec\u8003\u8651\u7b2c\u4e00\u6b21\u6267\u884c\u4f7f\u7528\u7684\u4efb\u610f\u5177\u4f53\u503c&nbsp;<code>arg = 0<\/code><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u884c\u53f7<\/th><th>\u4f2a IR<\/th><th>\u5177\u4f53\u72b6\u6001<\/th><\/tr><\/thead><tbody><tr><td>0<\/td><td>ARG = ARG + 1<\/td><td>ARG = 1<\/td><\/tr><tr><td>1<\/td><td>(ARG &amp; 0xFF == 0x12) ? 2 : 4<\/td><td>\u8f6c\u5230 4<\/td><\/tr><tr><td>4<\/td><td>RETURN ARG<\/td><td>\u8fd4\u56de 1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8003\u8651\u5b8c\u5168\u7b26\u53f7\u6267\u884c\uff0c\u4f1a\u5f97\u5230<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0: ARG = ARG + 1\n1: (ARG &amp; 0xFF == 0x12) ? 2 : 4 -&gt; \u65e0\u6cd5\u89e3\u51b3\u7684\u6761\u4ef6\uff01\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b26\u53f7\u6267\u884c\u65e0\u6cd5\u8fd0\u884c\u5230\u51fd\u6570\u7684\u7ed3\u675f\u3002\u5b9e\u9645\u4e0a\uff0c\u53ef\u4ee5\u8003\u8651\u5176\u4ed6\u6280\u672f\uff0c\u4f8b\u5982\u591a\u8def\u5f84\u7b26\u53f7\u6267\u884c\uff0c\u4f46\u8fd9\u4e0d\u662f\u8fd9\u4e2a\u793a\u4f8b\u7684\u91cd\u70b9\u3002<br>\u8fd9\u91cc\u4f7f\u7528\u5177\u4f53\u7684\u7b26\u53f7\u6267\u884c\uff0c\u6709\u4e00\u4e2a\u53ef\u80fd\u6761\u4ef6\u8f93\u51fa\u7684\u4f8b\u5b50\u800c\u4e0d\u8003\u8651\u6761\u4ef6<br>\u5c06\u6b64\u4fe1\u606f\u96c6\u6210\u5230\u7b26\u53f7\u6267\u884c\u72b6\u6001\u4e2d\uff0c\u6211\u4eec\u9009\u62e9\u4e0d\u6ee1\u8db3\u6761\u4ef6\u8def\u5f84\uff0c\u5373\u5047\u8bbe<code>(ARG &amp; 0xFF == 0x12)<\/code>\u4e3a\u5047\uff0c\u6216\u8005<code>(ARG &amp; 0xFF != 0x12)<\/code>\u3002\u6211\u4eec\u5c06\u5176\u79f0\u4e3a\u7ea6\u675f\u3002<br>\u6267\u884c\u6700\u7ec8\u7ed3\u675f\uff0c\u8fd4\u56de<code>ARG + 1<\/code>\u3002\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u8bf4\uff0c\u5f53<code>(ARG &amp; 0xFF != 0x12)<\/code>\u65f6\uff0c\u6b64\u4ee3\u7801\u7247\u6bb5\u8fd4\u56de<code>ARG + 1<\/code>\u3002\u5b83\u53ef\u80fd\u5df2\u7ecf\u88ab\u6df7\u6dc6\u3002<br>\u6211\u4eec\u8fd8\u53ef\u4ee5\u53cd\u8f6c\u8def\u5f84\u4e0a\u7684\u7ea6\u675f\uff0c\u4f8b\u5982\u4f7f\u7528SMT\u6c42\u89e3\u5668\u3002\u8bbe\u60f3\u6c42\u89e3\u5668\u7ed9\u51fa\u7684<code>ARG = 0x123412<\/code>\uff0c\u8fd9\u5c06\u6ee1\u8db3<code>(ARG &amp; 0xFF == 0x12)<\/code>\u3002<br>\u901a\u8fc7\u5c1d\u8bd5\u8fd9\u4e2a\u8f93\u5165\uff0c\u6211\u4eec\u73b0\u5728\u5f97\u5230\u65b0\u8def\u5f84\u548c\u65b0\u7ed3\u679c\uff1a\u5982\u679c<code>(ARG &amp; 0xFF == 0x12)<\/code>\uff0c\u8be5\u4ee3\u7801\u7247\u6bb5\u8fd4\u56de<code>ARG + 14<\/code>\u3002\u8fd9\u5c31\u662f\u751f\u6210\u65b0\u8f93\u5165\u4ee5\u8fbe\u5230\u7a0b\u5e8f\u65b0\u4ee3\u7801\u533a\u57df\u7684\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4ee5\u901a\u8fc7\u5236\u4f5c\u65b0\u7684\u8f93\u5165\u6765\u589e\u5f3a\u6a21\u7cca\u6d4b\u8bd5\uff0c\u4ece\u800c\u8fbe\u5230\u5c1a\u672a\u6d4b\u8bd5\u7684\u4ee3\u7801\u533a\u57df\u3002\u6a21\u7cca\u6d4b\u8bd5\u5728\u6d4b\u8bd5\u8f93\u5165\u65f6\u975e\u5e38\u5feb\u901f\uff0c\u4f46\u5b83\u4eec\u5728\u201c\u590d\u6742\u6761\u4ef6\u201d\u4e0a\u4f1a\u88ab\u5361\u4f4f\uff0c\u4f8b\u5982\u4e0e\u591a\u5b57\u8282\u9b54\u6cd5\u503c\uff08a multi-byte magic value\uff09\u7684\u6bd4\u8f83\u3002\u800c\u8fd9\u6b63\u662fDSE\u5f3a\u9879<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TigressVM<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5e94\u7528\u6b64\u6280\u672f\u6765\u6062\u590d\u5df2\u6df7\u6dc6\u7684\u7b97\u6cd5<br>\u4ee5\u547d\u4ee4\u884c\u53c2\u6570\u4f5c\u4e3a\u8f93\u5165\uff0c\u5e76\u6839\u636e\u8f93\u5165\u548c\u672a\u77e5\u7b97\u6cd5\u8f93\u51fa\u4e00\u4e2a\u503c<br><strong>\u8fd0\u884c\u7a0b\u5e8f<\/strong><br>\u8ba9\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u811a\u672c\u6765\u8fd0\u884c\u7a0b\u5e8f\u5e76\u4f7f\u7528miasm\uff0c\u5f97\u76ca\u4e8e<a href=\"https:\/\/github.com\/cea-sec\/miasm\/pull\/515\" target=\"_blank\" rel=\"noreferrer noopener\">PR #515<\/a>\uff0c\u73b0\u5728\u53ef\u4ee5\u4e3alinux\u4e8c\u8fdb\u5236\u6587\u4ef6\u6a21\u62df\u4e00\u4e2a\u73af\u5883<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.analysis.sandbox import Sandbox_Linux_x86_64\n\n# \u521b\u5efa\u6c99\u76d2\nparser = Sandbox_Linux_x86_64.parser(description=\"ELF \u6c99\u76d2\")\nparser.add_argument(\"filename\", help=\"ELF \u6587\u4ef6\u540d\")\noptions = parser.parse_args()\n# \u5f3a\u5236\u73af\u5883\u6a21\u62df\noptions.mimic_env = True\n# \u865a\u62df\u53c2\u6570\uff1a123456789\noptions.command_line = &#91;\"\".join(chr(0x30 + i) for i in range(1, 10))]\n\n# \u5b9e\u4f8b\u5316\u5e76\u8fd0\u884c\nsb = Sandbox_Linux_x86_64(options.filename, options, globals())\nsb.run()\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u542f\u52a8\u540e\uff0c\u6211\u4eec\u4f1a\u9047\u5230\u4e00\u4e2a\u9519\u8bef\uff0c\u56e0\u4e3a<code>strtoul<\/code>\u5b58\u6839\u5c1a\u672a\u5b9e\u73b0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ python tigress.py tigress-0-challenge-0\n&#91;INFO]: xxx___libc_start_main(main=0x4005f4, argc=0x2, ubp_av=0x13ffc4, init=0x400ca0, fini=0x400d30, rtld_fini=0x0, stack_end=0x13ffb8) ret addr: 0x400539\nValueError: ('\u672a\u77e5 API', '0x71111012L', \"'xxx_strtoul'\")\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8ba9\u6211\u4eec\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7248\u672c\u7684strtoul<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def xxx_strtoul(jitter):\n    ret_ad, args = jitter.func_args_systemv(&#91;\"nptr\", \"endptr\", \"base\"])\n    assert args.endptr == 0\n    content = jitter.get_str_ansi(args.nptr)\n    value = int(content, args.base)\n    print(\"%r -&gt; %d\" % (content, value))\n    jitter.func_ret_systemv(ret_ad, value)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0cstrtoul\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\uff0c\u4f46\u6211\u4eec\u906d\u9047\u4e86\u5185\u5b58\u9519\u8bef\u3002\u4e8b\u5b9e\u4e0a\uff0c\u8be5\u51fd\u6570\u4f7f\u7528\u4e86\u6808\u4fdd\u62a4\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u6a21\u62df\u5b83\uff08\u5206\u6bb5 + \u5185\u5b58\u9875\/segmentation + memory page\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.jitter.csts import PAGE_READ\n...\n# \u521d\u59cb\u5316\u6808\u4fdd\u62a4\nsb.jitter.ir_arch.do_all_segm = True\nFS_0_ADDR = 0x7ff70000\nsb.jitter.cpu.FS = 0x4\nsb.jitter.cpu.set_segm_base(sb.jitter.cpu.FS, FS_0_ADDR)\nsb.jitter.vm.add_memory_page(\n    FS_0_ADDR + 0x28, PAGE_READ, \"\\x42\\x42\\x42\\x42\\x42\\x42\\x42\\x42\", \"Stack canary FS&#91;0x28]\"\n)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u8fd8\u9700\u8981\u652f\u6301128\u4f4d\u64cd\u4f5c\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u4f7f\u7528llvm jit\uff08python\u7248\u672c\u7684\u901f\u5ea6\u8f83\u6162\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>options.jitter = \"llvm\"\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u62df\u4ece\u5934\u5230\u5c3e\u5de5\u4f5c\uff0c\u4e00\u5207\u6b63\u5e38<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ python tigress.py tigress-0-challenge-0\n&#91;INFO]: xxx___libc_start_main(main=0x4005f4, argc=0x2, ubp_av=0x13ffc4, init=0x400ca0, fini=0x400d30, rtld_fini=0x0, stack_end=0x13ffb8) ret addr: 0x400539\n&#91;INFO]: xxx_strtoul(nptr=0x13ffec, endptr=0x0, base=0xa) ret addr: 0x400660\n'123456789' -&gt; 123456789\n&#91;INFO]: xxx_printf(fmt=0x400dbd) ret addr: 0x4006b4\n8131652486802131118\n$ .\/tigress-0-challenge-0 123456789\n8131652486802131118\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6dfb\u52a0DSE<\/strong><br>\u73b0\u5728\uff0c\u6211\u4eec\u60f3\u8981\u83b7\u5f97\u57fa\u4e8e\u8f93\u5165\u7684\u8f93\u51fa\u65b9\u7a0b<br>\u6216\u8005\u8bf4\uff0c\u6211\u4eec\u4f1a\u7b26\u53f7\u5316\u7531strtoul\u8fd4\u56de\u7684\u503c\uff0c\u63d0\u53d6printf\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u7684\u65b9\u7a0b<br>\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u5728strtoul\u7ed3\u675f\u540e\u5c06DSE\u5f15\u64ce\u9644\u52a0\u5230jitter\uff0c\u4e00\u65e6\u9644\u52a0\uff0cmiasm\u5c06\u81ea\u52a8\u5c06\u5177\u4f53\u72b6\u6001\u901a\u77e5\u7b26\u53f7\u5f15\u64ce\uff0c\u7d2f\u8ba1\u7ea6\u675f\uff0c\u68c0\u67e5\u7b26\u53f7\u6267\u884c\u4e0e\u8fd9\u4e00\u5177\u4f53\u72b6\u6001\u7684\u4e00\u81f4\u6027\uff0c\u7b49\u7b49<br>\u9996\u5148\uff0c\u6211\u4eec\u5b9e\u4f8b\u5316\u4e00\u4e2a<code>DSEEngine<\/code>\u5bf9\u8c61\uff0c\u5e76\u8981\u6c42\u5b83stub\u5916\u90e8API\uff08\u4e0e\u6c99\u76d2\u76f8\u540c\u65b9\u5f0f\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.analysis.dse import DSEEngine\ndse = DSEEngine(sb.machine)\ndse.add_lib_handler(sb.libs, globals())\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u6211\u4eec\u5c06\u5728strtoul\u7ed3\u675f\u540e\u5c06DSE\u5bf9\u8c61\u9644\u52a0\u5230jitter\uff0c\u8bbe\u7f6e\u6240\u6709\u5bc4\u5b58\u5668\u503c\u4e3a\u5177\u4f53\u503c\uff08\u6211\u4eec\u4e0d\u60f3\u8ddf\u8e2a\u5b83\u4eec\uff09\uff0c\u5e76\u5c06\u8fd4\u56de\u503c\u8bbe\u7f6e\u4e3a\u7b26\u53f7<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.expression.expression import ExprId\n\nVALUE = ExprId(\"VALUE\", 64)\n\ndef xxx_strtoul(jitter):\n    global dse\n    ...\n    jitter.func_ret_systemv(ret_ad, value)\n    dse.attach(jitter)\n    dse.update_state_from_concrete()\n    dse.update_state({\n        dse.ir_arch.arch.regs.RAX: VALUE,\n    })\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u6211\u4eec\u6ce8\u610f\u5230\u811a\u672c\u7684\u6267\u884c\u65f6\u95f4\u53d8\u957f\u3002\u5b83\u4ee5\u9519\u8bef\u7ed3\u675f\uff0c\u5bfb\u627e<code>xxx_printf_symb<\/code>\uff0c\u5373printf\u7684\u7b26\u53f7stub\u3002<br>\u68c0\u67e5\u5b83\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def xxx_printf_symb(dse):\n    result = dse.eval_expr(dse.ir_arch.arch.regs.RSI)\n    print(result)\n    raise RuntimeError(\"Exit\")\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u83b7\u5f97\u65b9\u7a0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>({(VALUE+(VALUE|(VALUE+0x34D870D1)|0xFFFFFFFFD9FCA98B)+0x34D870D1) 0 64, ((VALUE+(VALUE|(VALUE+0x34D870D1)|0xFFFFFFFFD9FCA98B)+0x34D870D1)&#91;63:64]?(0xFFFFFFFFFFFFFFFF,0x0)) 64 128}*{({((((((VALUE|0x46BC480) &lt;&lt; ({(((VALUE+0x34D870D1)&amp;0x7)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))&amp;0x3F) &lt;&lt; 0x4)|((VALUE+0x1DD9C3C5) &lt;&lt; ({((- ((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1))+0x40)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))|((VALUE+0x1DD9C3C5) &gt;&gt; ({((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F)))*0x2C7C60B7) 0 64, (((((((VALUE|0x46BC480) &lt;&lt; ({(((VALUE+0x34D870D1)&amp;0x7)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))&amp;0x3F) &lt;&lt; 0x4)|((VALUE+0x1DD9C3C5) &lt;&lt; ({((- ((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1))+0x40)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))|((VALUE+0x1DD9C3C5) &gt;&gt; ({((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F)))*0x2C7C60B7)&#91;63:64]?(0xFFFFFFFFFFFFFFFF,0x0)) 64 128}*{(VALUE|0x46BC480) 0 64, ((VALUE|0x46BC480)&#91;63:64]?(0xFFFFFFFFFFFFFFFF,0x0)) 64 128})&#91;0:64] 0 64, (({((((((VALUE|0x46BC480) &lt;&lt; ({(((VALUE+0x34D870D1)&amp;0x7)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))&amp;0x3F) &lt;&lt; 0x4)|((VALUE+0x1DD9C3C5) &lt;&lt; ({((- ((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1))+0x40)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))|((VALUE+0x1DD9C3C5) &gt;&gt; ({((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F)))*0x2C7C60B7) 0 64, (((((((VALUE|0x46BC480) &lt;&lt; ({(((VALUE+0x34D870D1)&amp;0x7)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))&amp;0x3F) &lt;&lt; 0x4)|((VALUE+0x1DD9C3C5) &lt;&lt; ({((- ((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1))+0x40)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F))|((VALUE+0x1DD9C3C5) &gt;&gt; ({((((VALUE+0x34D870D1)*0x38BCA01F)&amp;0xF)|0x1)&#91;0:8] 0 8, 0x0 8 64}&amp;0x3F)))*0x2C7C60B7)&#91;63:64]?(0xFFFFFFFFFFFFFFFF,0x0)) 64 128}*{(VALUE|0x46BC480) 0 64, ((VALUE|0x46BC480)&#91;63:64]?(0xFFFFFFFFFFFFFFFF,0x0)) 64 128})&#91;63:64]?(0xFFFFFFFFFFFFFFFF,0x0)) 64 128})&#91;0:64]\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>VALUE = 123456789<\/code>\u6765\u8bc4\u4f30\u5b83\uff0c\u5e76\u9a8c\u8bc1\u5b83\u662f\u5426\u4e0e\u5177\u4f53\u7ed3\u679c\u76f8\u540c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.expression.expression import ExprId, ExprInt\n...\ndef xxx_printf_symb(dse):\n    result = dse.eval_expr(dse.ir_arch.arch.regs.RSI)\n    print(result)\n    obtained = dse.symb.expr_simp(result.replace_expr({VALUE: ExprInt(123456789, 64)}))\n    print(obtained)\n    assert int(obtained) == sb.jitter.cpu.RSI\n    raise RuntimeError(\"Exit\")\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f97\u5230\u4e86\u76f8\u540c\u7684\u7ed3\u679c\uff0c\u65b9\u7a0b\u8f93\u5165\u6709\u6548<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">DepGraph<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Use-Def<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use-Def\u7b97\u6cd5\u4f1a\u8fd4\u56de\u5bf9\u4e8e\u53d8\u91cfx\u7684\u67d0\u4e00\u6b21\u4f7f\u7528\uff0c\u6240\u6709\u90a3\u4e9b\u80fd\u591f\u5728\u4e2d\u95f4\u6ca1\u6709\u5176\u4ed6\u91cd\u65b0\u5b9a\u4e49\u7684\u60c5\u51b5\u4e0b\u5230\u8fbe\u8be5\u4f7f\u7528\u70b9\u7684X\u7684\u5b9a\u4e49<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420211208.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"264\" height=\"365\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420211208.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-146\"  sizes=\"auto, (max-width: 264px) 100vw, 264px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8def\u5f84\u654f\u611f\uff08Path-sensitive\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u83b7\u53d6\u5177\u4f53\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u8def\u5f84\u654f\u611f\u7b97\u6cd5\uff0c\u8fd9\u79cd\u7b97\u6cd5\u4f1a\u751f\u6210\u5230\u8fbea\u7684\u6240\u6709\u53ef\u80fd\u8def\u5f84\uff0c\u4f46\u662f\u5728\u5b58\u5728\u591a\u4e2a\u5206\u652f\u548c\u5faa\u73af\u7684\u60c5\u51b5\u4e0b\u4f1a\u8def\u5f84\u7206\u70b8<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420211221.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"271\" height=\"396\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420211221.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-147\"  sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5176\u4ed6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd8\u5b58\u5728\u6c61\u70b9\u5206\u6790Tainting\uff0c\u5207\u7247Slicing\u7b49\u5176\u4ed6\u7b97\u6cd5\uff0c\u4f46\u662f\u4ed6\u4eec\u8981\u4e48\u8fc7\u4e8e\u53d7\u9650\uff0c\u5728\u7b80\u5355\u7684if\/then\/else\u60c5\u51b5\u4e0b\u65e0\u6cd5\u533a\u5206\u4e0d\u540c\u7684\u89e3\uff0c\u8981\u4e48\u8fc7\u4e8e\u8be6\u5c3d\uff0c\u5728\u5d4c\u5957\u5faa\u73af\u4e2d\u4f1a\u53d1\u751f\u7206\u70b8<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DepGraph<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f9d\u8d56\u56fe\uff0c\u5373Depgraph\uff0c\u662f\u4e00\u79cd\u4ecb\u4e8e\u8def\u5f84\u654f\u611f\u548c\u4e0d\u654f\u611f\u4e4b\u95f4\u7684\u7b97\u6cd5\uff0c\u76ee\u6807\u662f\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\u63d0\u4f9b\u53ef\u533a\u5206\u7684\u503c\uff0c\u5e76\u5728\u76f8\u5173\u60c5\u51b5\u4e0b\u8fd4\u56de\u5305\u542b\u5faa\u73af\u7684\u4e0d\u540c\u8def\u5f84<br>\u5176\u4e3b\u8981\u662f\u5728\u6bcf\u4e00\u4e2a\u8def\u5f84\u4e2d\u56de\u6eaf\u503c\uff0c\u4f46\u4ec5\u5f53\u8be5\u8def\u5f84\u80fd\u4ea7\u751f\u65b0\u7684\u53d8\u91cf\u4f9d\u8d56\u5173\u7cfb\u65f6\u624d\u7ee7\u7eed<br>\u5728\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8be5\u7b97\u6cd5\u4ec5\u8fd4\u56de\u4e00\u4e2a\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl2 &lt;- b_lbl1\nb_lbl1 &lt;- c_lbl0\nc_lbl0 &lt;- 0x0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 if\/then\/else\u4f8b\u5b50\u4e2d\uff0c\u7b97\u6cd5\u4f1a\u72ec\u7acb\u8003\u8651\u4e24\u6761\u5206\u652f\u3002\u7531\u4e8e\u6bcf\u4e2a\u5206\u652f\u751f\u6210\u4e86\u4e0d\u540c\u7684\u53d8\u91cf\u4f9d\u8d56\u96c6\uff0c\u56e0\u6b64\u4f1a\u8fd4\u56de\u4e24\u4e2a\u89e3\uff1a<br>\u7b2c\u4e00\u4e2a\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl3 &lt;- b_lbl1, c_lbl0\nb_lbl1 &lt;- 0x2\nc_lbl0 &lt;- 0x1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e8c\u4e2a\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl3 &lt;- b_lbl2, c_lbl0\nb_lbl1 &lt;- 0x3\nc_lbl0 &lt;- 0x1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u89e3\u4e0d\u5305\u542b\u5faa\u73af\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u5728\u6bcf\u79cd\u60c5\u51b5\u4e0b\u8ba1\u7b97\u51faa\u7684\u503c<br>\u5728\u5faa\u73af\u5b9e\u4f8b\u4e2d\uff0c\u60c5\u51b5\u53d8\u5f97\u6709\u6240\u533a\u522b\uff0c\u73b0\u5728\u8fd0\u884c\u8be5\u7b97\u6cd5\uff0c\u5728lbl2\u5757\u4e2d\u8ffd\u8e2aa\uff0c\u5b83\u4f9d\u8d56\u4e8eb\u3002\u7136\u540e\u7d27\u63a5\u7740\u8ffd\u8e2ab\u3002lbl2\u53ea\u6709\u4e00\u4e2a\u7236\u8282\u70b9lbl1\u3002\u6240\u4ee5\u6211\u4eec\u73b0\u5728\u5728lbl1\u4e2d\u8ffd\u8e2ab\u3002\u5728lbl1\u4e2db\u88ab\u4fee\u6539\u4e86\uff08\u8bb0\u4f5cb_lbl1\uff09\uff0c\u7531\u4e8e\u7b49\u5f0f\u65f6b=b+1\uff0c\u6211\u4eec\u4ecd\u9700\u5728lbl1\u7684\u7236\u8282\u70b9\u4e2d\u8ffd\u8e2ab\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0clbl1\u6709\u4e24\u4e2a\u7236\u8282\u70b9\uff1albl0\u548clbl1\uff0c\u56e0\u6b64\u5c06\u6b64\u5904\u62c6\u5206\u8ba8\u8bba<br>\u9996\u5148\u8003\u8651lbl0\uff0cb\u88ab\u5199\u5165\u4e86\u4e00\u4e2a\u5e38\u91cf\uff0c\u56e0\u6b64\u4e0d\u518d\u8ffd\u8e2a\u66f4\u591a\u53d8\u91cf\uff0c\u6211\u4eec\u5f97\u5230\u4e86\u7b2c\u4e00\u4e2a\u89e3\uff08\u4e0d\u6d89\u53ca\u5faa\u73af\uff09<br>\u7b2c\u4e00\u4e2a\u89e3<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl2 &lt;- b_lbl1\nb_lbl1 &lt;- b_lbl0, 0x2\nb_lbl0 &lt;- 0x1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e8c\u4e2a\u89e3\u5c06lbl1\u89c6\u4e3a\u7236\u8282\u70b9\uff0c\u6b64\u65f6b_lbl1\u4f9d\u8d56\u4e8e\u5b83\u81ea\u8eab\uff0c\u800c\u6211\u4eec\u4ecd\u5728\u8ffd\u8e2ab\uff0c\u7531\u4e8e\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u4f9d\u8d56\u5173\u7cfb\uff08b_lbl1\u4f9d\u8d56\u4e8eb_lbl1\uff09\u4e14lbl1\u6709\u4e24\u4e2a\u7236\u8282\u70b9\uff0c\u6211\u4eec\u5c06\u518d\u6b21\u62c6\u5206\u5206\u6790\uff0c\u6211\u4eec\u56de\u5230\u4e86\u4e0e\u4e4b\u524d\u76f8\u540c\u7684\u70b9\uff0c\u4f46\u72b6\u6001\u4e0d\u540c<br>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06lbl0\u4f5c\u4e3a\u7236\u8282\u70b9\uff0cb\u88ab\u5199\u5165\u4e86\u4e00\u4e2a\u5e38\u91cf\uff0c\u4e0d\u518d\u8ffd\u8e2a\u66f4\u591a\u53d8\u91cf\uff0c\u6211\u4eec\u5f97\u5230\u4e86\u5305\u542b\u5faa\u73af\u7684\u89e3<br>\u7b2c\u4e8c\u4e2a\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl2 &lt;- b_lbl1\nb_lbl1 &lt;- b_lbl1, 0x2\nb_lbl1 &lt;- b_lbl0, 0x2\nb_lbl0 &lt;- 0x1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5269\u4f59\u7684\u5206\u6790\u9700\u8981\u5728lbl1\u5757\u4e2d\u518d\u6b21\u5faa\u73af\uff0c\u53d8\u91cfb\u4f9d\u8d56\u4e8eb_lbl1\uff0c\u800c\u6211\u4eec\u5df2\u7ecf\u5230\u8fbe\u4e86lbl1\u5757\u7684\u9876\u90e8\uff0c\u51c6\u5907\u5411\u6bcf\u4e2a\u7236\u8282\u70b9\u4f20\u64ad\u5206\u6790\u3002<br>\u4f46\u662f\u8fd9\u4e2a\u72b6\u6001\u4e4b\u524d\u5df2\u7ecf\u5230\u8fbe\u8fc7\uff0c\u5e76\u4e14\u5728\u5206\u6790\u4e2d\u6ca1\u6709\u589e\u52a0\u4efb\u4f55\u65b0\u7684\u53d8\u91cf\u4f9d\u8d56\u5173\u7cfb\uff0c\u8be5\u72b6\u6001\u5df2\u7ecf\u5904\u7406\u8fc7\u4e86\uff0c\u53ef\u4ee5\u4e22\u5f03\uff0c\u7531\u4e8e\u6ca1\u6709\u66f4\u591a\u6392\u961f\u7684\u5206\u6790\u4efb\u52a1\uff0c\u7b97\u6cd5\u7ed3\u675f<br>\u6700\u7ec8\u6211\u4eec\u5f97\u5230\u4e86\u4e24\u4e2a\u89e3\uff0c\u4e00\u4e2a\u4e0d\u5305\u542b\u4efb\u4f55\u5faa\u73af\uff08lbl1\u6070\u597d\u6267\u884c\u4e00\u6b21\uff09\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8ba1\u7b97\u51faa\u7684\u503c\uff08\u4e3a3\uff09\uff1b\u53e6\u4e00\u4e2a\u89e3\uff0c\u53ef\u80fd\u6267\u884clbl1\u5757\u4e24\u6b21\u6216\u8005\u66f4\u591a\u6b21\uff0c\u65e0\u6cd5\u7ed9\u51fa\u6240\u6709\u53ef\u80fd\u7684\u89e3<br>\u518d\u770b\u4e00\u4e2a\u4f8b\u5b50<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420211702.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"271\" height=\"396\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420211702.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-148\"  sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u8be5\u7b97\u6cd5\u4ec5\u8fd4\u56de\u4e00\u4e2a\u89e3<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl2 &lt;- b_lbl0\nb_lbl0 &lt;- 0x1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6211\u4eec\u56de\u6eaflbl1\u5757\u7236\u8282\u70b9\u4e2d\u7684b\u65f6\uff0c\u5982\u679c\u5206\u6790\u518dlbl1\u7236\u8282\u70b9\u4e2d\u56de\u6eaf\u3002\u7531\u4e8e\u8be5\u5757\u4e0e\u76f4\u63a5\u4ecelbl0\u5757\u4e2d\u56de\u6eaf\u7684\u65b9\u6848\u76f8\u6bd4\u5e76\u6ca1\u6709\u589e\u52a0\u4efb\u4f55\u65b0\u7684\u53d8\u91cf\u4f9d\u8d56\u5173\u7cfb\uff0c\u56e0\u6b64\u8be5\u5206\u652f\u7684\u5206\u6790\u4f1a\u88ab\u4e22\u5f03\u3002<br>\uff08\u8fd9\u91cc\u4e0d\u4e88\u8ba8\u8bba\u7ec8\u6b62\u6027\u5206\u6790\uff0c\u4e0d\u5b58\u5728\u901a\u7528\u7b97\u6cd5\u80fd\u89e3\u51b3\u6240\u6709\u505c\u673a\u95ee\u9898\uff0c\u4e0a\u9762\u76f4\u63a5\u9ed8\u8ba4\u7a0b\u5e8f\u5df2\u7ecf\u6210\u529f\u8dd1\u5230lbl2\uff0c\u4e0d\u8003\u8651\u5faa\u73af\u662f\u5426\u80fd\u8dd1\u5b8c\uff0cmiasm\u57fa\u4e8e\u7a0b\u5e8f\u80fd\u6b63\u5e38\u8fd0\u884c\u5047\u8bbe\uff09<br>\u6700\u540e\u4e00\u70b9\u662f\uff0c\u4f60\u53ef\u4ee5\u5728\u540c\u4e00\u6b21\u5206\u6790\u4e2d\uff08\u4ece\u540c\u4e00\u4e2a\u8d77\u70b9\u5f00\u59cb\uff09\u8ffd\u8e2a\u591a\u4e2a\u53d8\u91cf\uff1a\u7b97\u6cd5\u5c06\u901a\u8fc7\u8ba1\u7b97\u8fd9\u4e9b\u53d8\u91cf\u7ec4\u6210\u7684\u53d8\u91cf\u7ec4\u7684\u53ef\u80fd\u503c\u6765\u8fdb\u884c\u5904\u7406\uff08\u5b83\u4e0d\u4f1a\u4e3a\u6bcf\u4e2a\u53d8\u91cf\u5206\u522b\u8fd4\u56de\u72ec\u7acb\u7684\u89e3\uff09\u793a\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420214746.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"264\" height=\"365\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420214746.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-149\"  sizes=\"auto, (max-width: 264px) 100vw, 264px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u5982\u679c\u4f60\u60f3\u83b7\u53d6\u6709\u5173\u8c03\u7528\u53c2\u6570\u7684\u4fe1\u606f\uff0c\u4f60\u4f1a\u4ecelbl3\u5904\u5bf9\u53d8\u91cf\u7ec4\uff08a\uff0cb\uff09\u8fd0\u884c\u8be5\u7b97\u6cd5\uff0c\u7b97\u6cd5\u5c06\u8fd4\u56de\u4e24\u4e2a\u89e3<br>\u7b2c\u4e00\u4e2a\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl3 &lt;- a_lbl1\na_lbl1 &lt;- 0x2\nb_lbl3 &lt;- b_lbl1\nb_lbl1 &lt;- 0x2\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e8c\u4e2a\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a_lbl3 &lt;- a_lbl2\na_lbl2 &lt;- 0x3\nb_lbl3 &lt;- b_lbl2\nb_lbl2 &lt;- 0x1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u89e3\u4e2d\u6ca1\u6709\u5faa\u73af\uff0c\u56e0\u6b64\u5b83\u4eec\u7684\u503c\u662f\u53ef\u4ee5\u8ba1\u7b97\u7684\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4e3a\uff1a\uff082\uff0c2\uff09\u548c\uff083\uff0c1\uff09\u3002\u8fd9\u6bd4\u5206\u522b\u5728a\u4e0a\u8fd0\u884c\u7b97\u6cd5\uff08\u5f97\u5230\u89e32\u548c3\uff09\uff0c\u548c\u5728b\u4e0a\u8fd0\u884c\u7b97\u6cd5\uff08\u5f97\u5230\u89e32\u548c1\uff09\u8981\u7cbe\u786e\u7684\u591a\u3002\u5982\u679c\u5c06\u5b83\u4eec\u7b80\u5355\u7684\u5408\u5e76\u6765\u83b7\u53d6\uff08a\uff0cb\uff09\u5bf9\u7684\u89e3\uff0c\u4f1a\u5f97\u5230\u8fd9\u4e24\u4e2a\u89e3\u96c6\u7684\u7b1b\u5361\u5c14\u79ef\uff0c\u8fd9\u4f1a\u4ea7\u751f\u4e00\u4e9b\u4e0d\u53ef\u8fbe\u7684\uff08\u865a\u5047\uff09\u89e3<br>\u4e0d\u8fc7\u8be5\u7b97\u6cd5\u4e5f\u6709\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u5982\u679c\u8ffd\u8e2a\u7684\u662f\u6d89\u53ca\u5185\u5b58\u503c\u7684\u53d8\u91cf\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u522b\u540d\u95ee\u9898\uff0c\u5c31\u662f\uff0c\u5982\u679c\u4f60\u8ffd\u8e2a<code>@32[ESP]<\/code>\uff0c\u7b97\u6cd5\u4f1a\u4ec5\u4ece\u8bed\u6cd5\u5c42\u9762\u8ffd\u8e2a<code>@32[ESP]<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@32&#91;ESP] = 0x1\nESP = ESP + 0x4\na = @32&#91;ESP]\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u56de\u6eafa\uff0c\u7b97\u6cd5\u53ea\u4f1a\u7b80\u5355\u7684\u8fd4\u56de\u4e00\u4e2a\u89e3\uff1a0x1\uff08\u8fd9\u53ef\u80fd\u662f\u9519\u8bef\u7684\uff09<br>\u6700\u540e\u4e00\u4e2a\u4f8b\u5b50\uff1a\u8fd9\u91cc\u7684x\u7684\u53ef\u80fd\u503c\u662f\u591a\u5c11\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420220153.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"139\" height=\"396\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260420220153.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-150\"  sizes=\"auto, (max-width: 139px) 100vw, 139px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u89e3\u4e00\uff1ax=0x2<br>\u89e3\u4e8c\uff1ax=0x1<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c55\u793a1\uff1a\u8ffd\u8e2ax86_64\u5bc4\u5b58\u5668\u53c2\u6570<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Windows\u8c03\u7528\u7ea6\u5b9a\u4e2d\uff0c\u524d\u56db\u4e2a\u53c2\u6570\u901a\u8fc7\u5bc4\u5b58\u5668RCX,RDX,R8,R9\u4ece\u8c03\u7528\u65b9\u4f20\u9012\u7ed9\u88ab\u8c03\u7528\u65b9\u3002\u4ee5\u201cEquation Group\u201d\u8fd9\u4e00\u7ec4\u7a0b\u5e8f\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e3a\u4f8b\uff1antevtx64.sys\u3002\u8be5\u7a0b\u5e8f\u6240\u64cd\u4f5c\u7684\u5b57\u7b26\u4e32\u5df2\u88ab\u52a0\u5bc6\u5904\u7406\uff0c\u5f53\u7a0b\u5e8f\u4f7f\u7528\u5176\u4e2d\u7684\u4e00\u4e2a\u5b57\u7b26\u4e32\u65f6\uff0c\u5b83\u9996\u5148\u4f1a\u8c03\u7528\u4e00\u4e2a\u63a5\u6536\u4e09\u4e2a\u53c2\u6570\u7684\u51fd\u6570<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RCX\uff1a\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u89e3\u5bc6\u540e\u5b57\u7b26\u4e32\u7684\u6307\u9488<\/li>\n\n\n\n<li>RDX\uff1a\u6307\u5411\u52a0\u5bc6\u5b57\u7b26\u4e32\u7684\u6307\u9488<\/li>\n\n\n\n<li>R8\uff1a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6<br>\u8fd9\u662f\u4e00\u4e2a\u666e\u901a\u7684\u8c03\u7528\u793a\u4f8b\uff1a<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421214523-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"209\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421214523-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-157\"  sizes=\"auto, (max-width: 696px) 100vw, 696px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u5730\u57400x6918\u5904\u7684\u51fd\u6570\u8d1f\u8d23\u89e3\u5bc6\u5b57\u7b26\u4e32\uff0c\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6062\u590d\u6240\u6709\u53c2\u6570\u975e\u5e38\u7b80\u5355\uff0c\u4f8b\u5982\uff0c\u5bf9\u5e94\u7684\u4e2d\u95f4\u8868\u793air\u5982\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421214622-2.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"873\" height=\"488\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421214622-2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-158\"  sizes=\"auto, (max-width: 873px) 100vw, 873px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RCX\uff1a\u6808\u4e2d\u6307\u9488<\/li>\n\n\n\n<li>RDX\uff1a0x6185+0x2F7BB<\/li>\n\n\n\n<li>R8\uff1a0xAC<br>\u6211\u4eec\u4e4b\u540e\u53ef\u80fd\u4f1a\u4f7f\u7528\u8fd9\u4e9b\u53c2\u6570\u6765\u6a21\u62df\u8be5\u51fd\u6570\uff0c\u4ee5\u4fbf\u4e3a\u8be5\u5f15\u7528\u5904\u89e3\u5bc6\u5b57\u7b26\u4e32\u3002\u8fd9\u4e2a\u4f8b\u5b50\u53ef\u4ee5\u624b\u5de5\u5b8c\u6210\uff0c\u4f46\u662f\u8be5\u89e3\u5bc6\u51fd\u6570\u670982\u5904\u5f15\u7528<br>\u8fd9\u91cc\u6709\u4e00\u4e2a\u4f8b\u5b50<br><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421214942-1-930x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"930\" height=\"1024\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421214942-1-930x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-160\"  sizes=\"auto, (max-width: 930px) 100vw, 930px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u4f60\u80fd\u4eceCALL\u5904\u56de\u6eaf\u8ffd\u8e2aR8\u548cRDX\u5417\uff1f\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5173\u952e\u5728\u4e8eR8\u4f9d\u8d56\u4e8eR12\uff0c\u4f46\u5176\u503c\u59cb\u7ec8\u88ab\u8bbe\u7f6e\u4e3a0\uff08\u57280x3137\u5904\u8bbe\u7f6e\uff09<br>\u4f7f\u7528DepGraph\u4e3a\u6bcf\u4e2a\u5f15\u7528\u81ea\u52a8\u5316\u53c2\u6570\u5206\u6790\uff0cR8\u548cRDX\u90fd\u5728\u540c\u4e00\u6b21\u5206\u6790\u4e2d\u88ab\u8ffd\u8e2a\uff0c\u4ee5\u907f\u514d\u4e3a\u6bcf\u4e2a\u53d8\u91cf\u4ea7\u751f\u76f8\u4e92\u72ec\u7acb\u7684\u89e3\u3002\u5982\u679c\u5b83\u4eec\u7684\u751f\u6210\u8fc7\u7a0b\u4e2d\u6d89\u53ca\u4e00\u4e9b\u5d4c\u5957\u5faa\u73af\u3002\u6211\u4eec\u53ef\u4ee5\u8f6c\u800c\u8fdb\u884c\u624b\u52a8\u5206\u6790<br>\u4f60\u53ef\u4ee5\u4f7f\u7528miasm\/example\/symbol_exec\/depgraph.py\u6765\u6d4b\u8bd5\u5b83<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ python2 depgraph.py -h\nusage: Dependency grapher &#91;-h] &#91;-m ARCHITECTURE] &#91;-i] &#91;--unfollow-mem]\n                          &#91;--unfollow-call] &#91;--do-not-simplify]\n                          &#91;--rename-args] &#91;--json]\n                          filename func_addr target_addr element &#91;element ...]\n\n\u4f4d\u7f6e\u53c2\u6570\uff1a\n  filename              \u8981\u5206\u6790\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\n  func_addr             \u51fd\u6570\u5730\u5740\n  target_addr           \u5f00\u59cb\u5206\u6790\u7684\u76ee\u6807\u5730\u5740\n  element               \u8981\u8ffd\u8e2a\u7684\u5143\u7d20\n...\n\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e4b\u524d\u7684\u51fd\u6570\u4e0a\u8fd0\u884c\u8fd9\u4e2a\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ python2 miasm\/example\/symbol_exec\/depgraph.py ntevtx64.sys 0x311C 0x3180  R8 RDX\nSolution 0: R8=0x14, RDX=0x35338 -&gt; sol_0.dot\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u8fd9\u4e2a\u793a\u4f8b\u4e5f\u4ee5ida\u63d2\u4ef6\u5f62\u5f0f\u63d0\u4f9b\uff0c\u4f4d\u4e8e<code>_miasm\/example\/ida\/depgraph.py_<\/code><br>\u4e3a\u4e86\u81ea\u52a8\u5316\u5206\u6790\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u5bf9\u5b57\u7b26\u4e32\u89e3\u5bc6\u4f8b\u7a0b\u7684\u6bcf\u4e00\u6b21\u8c03\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ida\u811a\u672c\u63d0\u53d6\u5bf9\u5176\uff08\u5730\u5740\u4e3a0x6918\uff09\u7684\u6240\u6709\u5f15\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>addr_dec_str = 0x16918\nfor ref in idautils.XrefsTo(addr_dec_str):\n    ref_addr = ref.frm\n    func = idaapi.get_func(ref_addr)\n    print hex(func.startEA), hex(ref_addr)\n\n# Python \u8f93\u51fa\u7ed3\u679c\u793a\u4f8b\uff1a\n# 0x1311cL 0x13180L\n# 0x13b48L 0x13c2eL\n# 0x13b48L 0x13cd3L\n# ...\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u76ee\u524d\u5904\u7406\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u57fa\u5730\u5740\uff08Image Base\uff09\u4e3a0\u3002\u4f46IDA\u9ed8\u8ba4\u4f1a\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u91cd\u5b9a\u4f4d\u52300x10000.\u8fd9\u5c31\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48ida\u5730\u5740\u4e0emiasm\u5904\u7406\u7684\u5730\u5740\uff08\u4fdd\u6301\u9ed8\u8ba4\u57fa\u5730\u57400\uff09\u4e4b\u95f4\u67090x10000\u7684\u504f\u5dee<br>\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u503c\u5728\u547d\u4ee4\u884c\u4e2d\u8fd0\u884c\u4e4b\u524d\u7684\u5de5\u5177\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>python2 ~\/projet\/miasm\/example\/symbol_exec\/depgraph.py ntevtx64.sys 0x311c 0x3180 R8 RDX\nSolution 0: R8=0x14, RDX=0x35338 -&gt; sol_0.dot\n\npython2 ~\/projet\/miasm\/example\/symbol_exec\/depgraph.py ntevtx64.sys 0x3b48 0x3c2e R8 RDX\nSolution 0: R8=0x11, RDX=0x355D8 -&gt; sol_0.dot\n...\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>For the moment we cannot run most Miasm scripts directly in IDA because IDA uses a bundled 32 bit python, and the host now uses python 64bit in most cases (except for pure python Miasm script, which depgraph belongs to)\n\nAnyway, my preferred way to use Miasm in IDA is to run a&nbsp;&#91;rypc](https:\/\/rpyc.readthedocs.io\/)&nbsp;server in IDA, and to use it in an external Python. Server code (to run in IDA):\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u6587\u8fd9\u91cc\u7528\u7684\u662f\u8001\u7248\u672cida\uff0c\u670932\u4f4d64\u4f4d\u4e0d\u517c\u5bb9\u7684\u60c5\u51b5\uff0c\u4f46\u662f\u4ecd\u53ef\u4ee5\u4f7f\u7528RPyc\u670d\u52a1\u7aef\u6765\u9632\u6b62\u4e00\u4e9b\u95ee\u9898\uff0c\u5982\u73af\u5883\u4f9d\u8d56\u548c\u65e7\u5de5\u5177\u94fe\u7684python\u811a\u672c\uff08\u539f\u6587\u7528\u7684python2\uff09<br>\u670d\u52a1\u7aef\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import rpyc\nfrom rpyc.utils.server import OneShotServer\nfrom rpyc.core import SlaveService\nimport threading\n\ndef serve_threaded():\n    print 'Running server'\n    def run_thread():\n        t = OneShotServer(SlaveService, hostname=\"localhost\",\n                          port=4455, reuse_addr=True, ipv6=False,\n                          authenticator=None,\n                          auto_register=False)\n        t.logger.quiet = False\n        t.start()\n\n    run_thread()\ntry:\n    serve_threaded()\nexcept Exception as e:\n    print \"ERROR\", e\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u901a\u8fc7\u5c06Rpyc\u7684\u6587\u4ef6\u590d\u5236\u5230ida\/python\/rpyc\u6765\u5b89\u88c5\u5b83\uff0c\u8fd9\u662f\u53ef\u884c\u7684\uff0c\u56e0\u4e3arpyc\u662f\u7eafpython\u7f16\u5199\u7684<br>\u73b0\u5728\u4f60\u5c31\u53ef\u4ee5\u5728\u5bbf\u4e3b\u673a\u7684\u811a\u672c\uff08\u4f8b\u5982depgraph_find_args.py\uff09\u4e2d\u4f7f\u7528ida\u4e86\uff0c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u68c0\u7d22\u89e3\u5bc6\u51fd\u6570\u7684\u5f15\u7528<\/li>\n\n\n\n<li>\u68c0\u7d22\u5176\u7236\u51fd\u6570<\/li>\n\n\n\n<li>\u53cd\u6c47\u7f16\u5e76\u83b7\u53d6\u8be5\u51fd\u6570\u7684ir\uff08\u5e76\u5c06\u5176\u7f13\u5b58\uff09<\/li>\n\n\n\n<li>\u627e\u5230\u4e0e\u8c03\u7528\u5f15\u7528\u76f8\u5bf9\u5e94\u7684ir\u5757<\/li>\n\n\n\n<li>\u8fd0\u884cdepgraph<br>\u9996\u5148\u5728ida\u4e2d\u8fd0\u884crpyc\u670d\u52a1\u7aef\uff0c\u7136\u540e\u5728\u5bbf\u4e3b\u673a\u8fd0\u884c\u6b64\u811a\u672c\uff0c\u7ed3\u679c\u5982\u4e0b<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>Solution for '0x13180L': 0x35338    0x14\nSolution for '0x13c2eL': 0x355D8    0x11\nSolution for '0x13cd3L': 0x355D8    0x11\n...\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u4e2a\u6837\u672c\u4e2d\uff0c\u6bcf\u4e2a\u8c03\u7528\u90fd\u88ab\u811a\u672c\u6210\u529f\u89e3\u6790\u4e86<br>\u989d\u5916\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u89e3\u6790\u51fa\u6765\u7684\u89e3\u6765\u8fd0\u884cmiasm\u6c99\u76d2\uff0c\u4ece\u800c\u83b7\u53d6\u89e3\u5bc6\u540e\u7684\u5b57\u7b26\u4e32\uff0c\u4e00\u4e0b\u662f\u9644\u52a0\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from miasm2.analysis.sandbox import Sandbox_Win_x86_64\nfrom miasm2.os_dep.win_api_x86_32 import winobjs\n...\n\nparser = Sandbox_Win_x86_64.parser(description=\"PE sandboxer\")\nparser.add_argument(\"filename\", help=\"PE Filename\")\noptions = parser.parse_args()\noptions.jitter=\"gcc\"\nsb = Sandbox_Win_x86_64(options.filename, options, globals())\nalloc_addr = winobjs.heap.alloc(sb.jitter, 0x1000)\n\ndef run_func_args(dec_addr, addr, l):\n    sb.jitter.vm.set_exception(0)\n    sb.jitter.vm.set_mem(alloc_addr, \"\\x00\"*0x1000)\n\n    # \u8bbe\u7f6e\u53c2\u6570\n    sb.jitter.cpu.R8 = l\n    sb.jitter.cpu.RDX = addr\n    sb.jitter.cpu.RCX = alloc_addr\n    sb.jitter.push_uint64_t(0x1337beef)\n    # \u8fd0\u884c\n    sb.run(dec_addr)\n    str_dec = sb.jitter.vm.get_mem(alloc_addr, l)\n    \n    # \u5feb\u901f\u7b80\u5355\u7684\u7f16\u7801\u68c0\u6d4b\n    if len(str_dec) &gt; 1 and str_dec&#91;1] == \"\\x00\":\n        s = sb.jitter.get_str_unic(alloc_addr)\n    else:\n        s = sb.jitter.get_str_ansi(alloc_addr)\n    print repr(s)\n    return str_dec\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Solution for '0x13180L': 0x35338    0x14\n'NDISWANIP'\nSolution for '0x13c2eL': 0x355D8    0x11\n'\\r\\n   Adapter: '\n...\nSolution for '0x16191L': 0x35940    0xAC\n'\\\\Registry\\\\Machine\\\\SYSTEM\\\\CurrentControlSet\\\\Services\\\\Tcpip\\\\Parameters\\\\Adapters'\n...\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e9b\u4ee3\u7801\uff0c\u7528\u8fd9\u4e9b\u521a\u89e3\u5bc6\u51fa\u6765\u7684\u5b57\u7b26\u4e32\u5728ida\u6570\u636e\u5e93\u4e2d\u6dfb\u52a0\u6ce8\u91ca\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>conn.modules.idc.MakeComm(ref.frm, \"DEC: %r\" % str_dec)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Rpyc\u670d\u52a1\u7aef\u811a\u672c\uff1aida_rpyc.py\uff08\u5728ida\u5185\u8fd0\u884c\uff09<br>\u6700\u7ec8\u811a\u672c\u89c1\u6b64\u5904\uff1adepgraph_find_args_run.py\uff08\u5728ida\u5916\u8fd0\u884c\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c55\u793a2\uff1a\u8ffd\u8e2a\u6808\u4e0a\u53c2\u6570<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8c\u8fdb\u5236\u6587\u4ef6ntevt.sys\u672c\u8d28\u4e0a\u5e94\u8be5\u662fntevtx64.sys\u7684\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4f46\u662f\u662f32\u4f4d\u7248\u672c\u7684\u3002\u89e3\u5bc6\u51fd\u6570\u540c\u6837\u5b58\u5728\uff0c\u8fd9\u662f\u4e00\u4e2a\u8c03\u7528\u793a\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421223032.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"608\" height=\"209\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421223032.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-161\"  sizes=\"auto, (max-width: 608px) 100vw, 608px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u5982\u524d\u6587\uff0cDepGraph\u7b97\u6cd5\u8ffd\u8e2a\u4e00\u4e2a\u6216\u591a\u4e2a\u8868\u8fbe\u5f0f\uff0c\u95ee\u9898\u5728\u4e8e\uff0c\u5f53\u4f60\u5c06\u539f\u751f\u4ee3\u7801\u7ffb\u8bd1\u6210ir\u65f6\uff0c\u5185\u5b58\u8bbf\u95ee\u5f0f\u4fdd\u6301\u4e0d\u53d8\uff0c\u4f46\u6808\u6307\u9488\uff08Stack Pointer\uff09\u662f\u5728\u4e0d\u65ad\u53d8\u5316\u7684\uff0c\u539f\u751f\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421223246.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"179\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421223246.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-162\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u53ca\u5bf9\u5e94\u7684ir<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421223302.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"477\" height=\"385\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421223302.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-163\"  sizes=\"auto, (max-width: 477px) 100vw, 477px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u8bf7\u6ce8\u610f\u8fd9\u91cc\u5bf9@32[ESP-4]\u7684\u591a\u6b21\u5199\u5165\u3002\u5982\u679c\u4f60\u60f3\u8ffd\u8e2a\u5185\u5b58\u4e2d\u7684\u503c\uff0c\u9996\u5148\u5fc5\u987b\u89e3\u6790\u5b83\u4eec\u7684\u6307\u9488\u3002\u4e00\u65e6\u6bcf\u4e2a\u5185\u5b58\u6307\u9488\u90fd\u88ab\u89e3\u6790\uff08\u4e0d\u592a\u5bb9\u6613\uff09\uff0c\u4f60\u624d\u80fd\u5f00\u59cb\u6267\u884c\u5185\u5b58\u5206\u6790\uff0c\u5728\u672c\u4f8b\u4e2d\uff0c\u5fc5\u987b\u5c06ESP\u66ff\u6362\u4e3a\u67d0\u79cd\u5f62\u5f0f\uff0c\u4ee5\u4fbfDepGraph\u7b97\u6cd5\u80fd\u591f\u610f\u8bc6\u5230\u6bcf\u4e2a\u6808\u53c2\u6570\u5176\u5b9e\u662f\u4e0d\u540c\u7684<br>\u7b80\u5355\u7684\u89e3\u51b3\u65b9\u6848\uff1a\u6211\u4eec\u5c06\u6839\u636e\u51fd\u6570\u5165\u53e3\u5904\u7684ESP\u503c\uff08\u5373ESP_init\uff09\u53ca\u5176\u76f8\u5bf9\u4e8e\u8be5\u503c\u7684\u5f53\u524d\u504f\u79fb\u91cf\u6765\u8868\u793aESP\u3002\u6211\u4eec\u53ef\u4ee5\u628aida\u5f53\u4f5c\u4e00\u4e2a\u201c\u5148\u77e5\uff08oracle\uff09\u201d\uff0c\u901a\u8fc7\u8c03\u7528GetSpd\u6765\u63d0\u4f9b\u6b64\u504f\u79fb\u91cf\u3002<br>\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2aIRA\u5b50\u7c7b\uff0c\u5728\u539f\u751f\u4ee3\u7801\u5411IR\u7ffb\u8bd1\u7684\u8fc7\u7a0b\u4e2d\u5e94\u7528\u8fd9\u4e00\u4fee\u6539<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class ira_fix_stk(machine.ira):\n\n    def gen_stk_update(self, instr):\n        \"\"\"\n        \u5229\u7528 IDA \u4f5c\u4e3a\u542f\u53d1\u5f0f\u5de5\u5177\uff0c\u83b7\u53d6 ESP \u76f8\u5bf9\u4e8e ESP_init \u7684\u504f\u79fb\u91cf\n        \"\"\"\n        stk_off = ExprInt(conn.modules.idc.GetSpd(instr.offset + 0x10000), self.sp.size)\n        return machine.mn.regs.regs_init&#91;self.sp] + stk_off\n\n    def fix_assignblk_stack(self, assignblk, stk_high):\n        \"\"\"\n        \u5c06\u5bf9 ESP \u7684\u8bbf\u95ee\u66ff\u6362\u4e3a\u76f8\u5bf9\u4e8e ESP_init \u7684\u76f8\u5bf9\u503c\n        \"\"\"\n        for dst, src in assignblk.items():\n            del(assignblk&#91;dst])\n            stk_info = {self.sp: stk_high}\n            src = expr_simp(src.replace_expr(stk_info))\n            if dst != self.sp:\n                dst = expr_simp(dst.replace_expr(stk_info))\n            assignblk&#91;dst] = src\n\n    def add_instr_to_irblock(self, block, instr, irb_cur, ir_blocks_all, gen_pc_updt):\n        \"\"\"\n        \u5feb\u901f\u4e14\u7b80\u5355\u7684 ESP \u4fee\u6b63\u5b9e\u73b0\n        \"\"\"\n        irb_cur = self.pre_add_instr(block, instr, irb_cur, ir_blocks_all, gen_pc_updt)\n        if irb_cur is None:\n            return None\n\n        assignblk, ir_blocs_extra = self.instr2ir(instr)\n\n        if gen_pc_updt is not False:\n            self.gen_pc_update(irb_cur, instr)\n\n        # \u83b7\u53d6\u4fee\u6b63\u540e\u7684\u6808\u503c\u5e76\u5e94\u7528\n        stk_high = self.gen_stk_update(instr)\n        self.fix_assignblk_stack(assignblk, stk_high)\n\n        irb_cur.irs.append(assignblk)\n        irb_cur.lines.append(instr)\n\n        if ir_blocs_extra:\n            for b in ir_blocs_extra:\n                b.lines = &#91;instr] * len(b.irs)\n            ir_blocks_all += ir_blocs_extra\n            irb_cur = None\n        return irb_cur\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6bb5\u4ee3\u7801\u53ea\u662f\u4e00\u4e2a\u7c97\u7cd9\u89e3\u51b3\uff0c\u6ca1\u6709\u4fee\u590d\u6240\u6709\u8d4b\u503c\u5757\uff08Assign blocks\uff09\uff0c\u4f46\u76ee\u524d\u800c\u8a00\u6709\u6548\uff0c\u7ed3\u679c\u5982\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421224100.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"427\" data-original=\"http:\/\/8.210.123.186\/wp-content\/uploads\/2026\/04\/Pasted-image-20260421224100.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-164\"  sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u73b0\u5728\u8be5\u5982\u4f55\u8fd0\u884cDepGraph\uff1f<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u83b7\u53d6\u8c03\u7528\u884c\uff08Call line\uff09<\/li>\n\n\n\n<li>\u83b7\u53d6ESP\u7684\u503c\uff0c\u8be5\u503c\u76f8\u5bf9\u4e8e\u5176\u521d\u59cb\u503c\uff0c\u518d\u52a0\u4e0aIDA\u63d0\u4f9b\u7684\u504f\u79fb\u91cf<\/li>\n\n\n\n<li>\u5bf9\u83b7\u53d6\u5230\u7684\u7b2c\u4e8c\u548c\u7b2c\u4e09\u4e2a\u53c2\u6570\u8fd0\u884cDepGraph\u5206\u6790<br>\u5728\u5f53\u524d\u4f8b\u5b50\u4e2d\uff0c\u5f53\u524d\u7684ESP\u4e3a<code>ESP_init&nbsp;+&nbsp;0xFFFFFFC8<\/code>,\u56e0\u6b64\u6211\u4eec\u5c06\u5bf9\u53d8\u91cf\u7ec4<code>(@32[ESP_init+0xFFFFFFCC], @32[ESP_init+0xFFFFFFD0])<\/code>\u8fd0\u884c\u4f9d\u8d56\u56fe\u5206\u6790\uff0c\u8fd9\u5c06\u5f97\u5230\u552f\u4e00\u89e3(0x26310, 0x14)<br>\u5982\u679c\u4f60\u8bb0\u5f97\u4fee\u6b63run_func_args\u811a\u672c\uff0c\u4f7f\u5176\u5c06\u53c2\u6570\u63a8\u5165\u6808\u4e2d\uff08\u800c\u4e0d\u662f\u4f7f\u7528\u5bc4\u5b58\u5668\uff09\uff0c\u5e76\u5f3a\u5236\u4f7f\u752832\u4f4d\u6c99\u76d2\uff0c\u90a3\u4e48\u6240\u6709\u7684\u5b57\u7b26\u4e32\u90fd\u4f1a\u88ab\u6210\u529f\u89e3\u6790\uff0c\u4f60\u5e94\u8be5\u4f1a\u5f97\u5230\u5982\u4e0b\u7ed3\u679c<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>Solution for '0x1171fL': 0x26310    0x14\n'NDISWANIP'\nSolution for '0x11f24L': 0x26580    0x11\n'\\r\\n   Adapter: '\n...\nSolution for '0x13b9fL': 0x268B8    0xAC\n'\\\\Registry\\\\Machine\\\\SYSTEM\\\\CurrentControlSet\\\\Services\\\\Tcpip\\\\Parameters\\\\Adapters'\n...\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u5b57\u7b26\u4e32\u4e0e64\u4f4d\u9a71\u52a8\u7a0b\u5e8f\u4e2d\u5b8c\u5168\u4e00\u81f4\uff0c\u5728elfesteem\u7684\u5e2e\u52a9\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2a\u65b0\u533a\u6bb5\u5e76\u5bf9\u4e8c\u8fdb\u5236\u6587\u4ef6\u8fdb\u884c\u8865\u4e01\uff0c\u4f7f\u5b57\u7b26\u4e32\u4ee5\u660e\u6587\u5f62\u5f0f\u663e\u793a\uff0c\u5e76\u8ba9\u4ee3\u7801\u4e2d\u7684\u5f15\u7528\u76f4\u63a5\u6307\u5411\u5b83\u4eec\u3002<br>\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528miasm\u7684depgraph ida\u811a\u672c\u7684\u6f14\u793a\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u8ffd\u8e2adec_str\u51fd\u6570\u8c03\u7528\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u7531\u4e8e\u672c\u4f8b\u4e2d\u7684\u53c2\u6570\u4f7f\u901a\u8fc7\u6808\u4f20\u9012\u7684\uff0c\u6211\u4eec\u9700\u8981\u9009\u62e9\u8ffd\u8e2a\u5185\u5b58\u53d8\u91cf\uff0c\u5e76\u4f7f\u7528\u6765\u81eaida\u7684\u53cd\u522b\u540d\uff08un-alias\uff09\u542f\u53d1\u5f0f\u65b9\u6cd5\uff08\u6309\u4e0bShif+N\u6765\u5207\u6362\u5230\u4e0b\u4e00\u4e2a\u89e3\uff09<br><a href=\"https:\/\/miasm.re\/blog\/_images\/depgraph_ida_demo.gif\" target=\"_blank\" rel=\"noreferrer noopener\">\u52a8\u56fe\u4e0d\u63d2\u4e86<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u672c\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4f9d\u8d56\u56fe\uff08Dependency Graph\uff09\u7b97\u6cd5\u6765\u83b7\u53d6Equation Group\u6076\u610f\u8f6f\u4ef6\u4e2d\u7684\u52a0\u5bc6\u5b57\u7b26\u4e32\u3002\u8be5\u7b97\u6cd5\u5728\u7ecf\u5178\u6848\u4f8b\uff08\u6808\u3001\u5bc4\u5b58\u5668\u53c2\u6570\u7b49\uff09\u4e2d\u8868\u73b0\u826f\u597d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5173\u952e\u70b9\u662f\uff0c\u5373\u4f7f\u5728\u590d\u6742\u7684\u60c5\u51b5\u4e0b\uff08\u5982\u5d4c\u5957\u5faa\u73af\u7b49\uff09\uff0c\u6211\u4eec\u4ecd\u7136\u53ef\u4ee5\u83b7\u5f97\u4f9d\u8d56\u5173\u7cfb\u56fe\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8303\u56f4\u5206\u6790\uff08Range analysis\uff09\u6216\u5176\u4ed6\u7b97\u6cd5\u3002\u5f53\u9700\u8981\u8ba1\u7b97\u6700\u7ec8\u503c\u65f6\uff0c\u7b97\u6cd5\u80fd\u591f\u6839\u636e\u5faa\u73af\u4f9d\u8d56\u60c5\u51b5\u544a\u77e5\u8be5\u7ed3\u679c\u662f\u5426\u53ef\u4fe1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u4e00\u7bc7\u76f4\u63a5\u770b\u6e90\u7801\u5427\uff0c\u4e4b\u540e\u518d\u603b\u7ed3\u5269\u4e0b\u7684\u7279\u6027<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/miasm.re\/blog\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u539fblog<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ecb\u7ecd \u6ca1\u627e\u5230\u592a\u591amiasm\u6587\u7ae0\u6c89\u9ed8\u8d77\u5230\u82f1\u6587\u7ffb\u8bd1\u4f5c\u7528\u4e86\u3002miasm\u662f\u4e00\u4e2a\u65e8\u5728\u5206\u6790\uff0c\u4fee\u6539\u548c\u751f\u6210\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u7684\u9006\u5411\u5de5\u7a0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":167,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn"],"_links":{"self":[{"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/posts\/142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/comments?post=142"}],"version-history":[{"count":4,"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/posts\/142\/revisions"}],"predecessor-version":[{"id":166,"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/posts\/142\/revisions\/166"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/media\/167"}],"wp:attachment":[{"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/media?parent=142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/categories?post=142"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/8.210.123.186\/index.php\/wp-json\/wp\/v2\/tags?post=142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}