{"id":84,"date":"2025-09-26T11:42:49","date_gmt":"2025-09-26T03:42:49","guid":{"rendered":"http:\/\/hmuseab.tstatic.top\/?p=84"},"modified":"2025-09-26T11:42:54","modified_gmt":"2025-09-26T03:42:54","slug":"jsvmp%e5%8f%8d%e7%bc%96%e8%af%91","status":"publish","type":"post","link":"https:\/\/muse.lzink.icu\/?p=84","title":{"rendered":"Jsvmp\u53cd\u7f16\u8bd1"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Jsvmp\u53cd\u7f16\u8bd1<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u521b dlopen Frida and So 2025-08-18 09:20<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b80\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">jsvmp \u662f\u4e00\u79cd\u7528\u4e8e\u4fdd\u62a4JavaScript \u4ee3\u7801\u7684\u6280\u672f\u3002\u5c06JavaScript \u4ee3\u7801\u8f6c\u6362\u4e3a\u81ea\u5b9a\u4e49\u5b57\u8282\u7801\uff0c\u4f9d\u9760\u81ea\u5b9a\u4e49\u865a\u62df\u673a\u6267\u884c\u3002vmp \u6280\u672f\u5728PC \uff0cAndroid \uff0cWeb \u7b97\u5f97\u4e0a\u662f\u4ee3\u7801\u4fdd\u62a4\u7684\u9876\u70b9\u3002\u800c\u76ee\u524dWeb \u7aef\u4e3b\u6d41\u7684vmp \u8fd8\u662f\u5806\u6808\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3b\u6d41\u9006\u5411\u624b\u6bb5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\u6700\u5e38\u7528\u7684\u4e24\u79cd\u624b\u6bb5\u5206\u522b\u662f<strong>\u8865\u73af\u5883\uff0c\u63d2\u6869<\/strong> \u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u7f16\u8bd1\u6280\u672f<\/strong> \u5728web \u7aef\u5b9e\u73b0\u7b97\u662f\u4e09\u7aef\u6700\u4e3a\u8f7b\u677e\u7684\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6e90\u4ee3\u7801<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u4e0b\u4ee3\u7801\u4e3a\u539f\u59cb\u4ee3\u7801\uff0c\u6700\u540e\u53cd\u7f16\u8bd1\u5b8c\u6210\u540e\u4f1a\u4e0e\u5176\u8fdb\u884c\u6bd4\u5bf9\u3002\u7531\u4e8evmp \u4fdd\u62a4\u540e\u7684\u4ee3\u7801\u592a\u957f\uff0c\u5728\u6b64\u4e0d\u5c55\u793a\uff0c\u5982\u6709\u9700\u8981\uff0c\u8bf7\u8054\u7cfb\u6211\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/\u8fd9\u4e9b\u4ee3\u7801+\u9ed8\u8ba4\u6253\u5370\uff0cvmp\u9700\u8981\u6267\u884c60\u6b21\u64cd\u4f5c\uff0c\u53ef\u89c1\u5355\u6b65\u8c03\u8bd5\u7684\u56f0\u96be<br>let a = 2;<br>let b = 4;<br>if(a &gt; b){<br> a = a + 2;<br>}else{<br> a = a - 1;<br>}<br>let c = b + a;<br>console.log(c);<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">VMP\u5206\u6790<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u5bf9VMP \u7684\u6784\u9020\u8fdb\u884c\u5206\u6790\uff0cencode_str \u4e3a\u89e3\u7801\u51fd\u6570\uff0c\u89e3\u7801\u540e\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u5b58\u653e\u6570\u636e\u4f9d\u6b21\u4e3a\u5b57\u8282\u7801\u6570\u7ec4\uff0c\u5b57\u7b26\u4e32\u5e38\u91cf\u6c60\uff0c\u5806\u6808\uff0c\u4f5c\u7528\u57df\uff0cthis \u6307\u5411\u3002\u5165\u53e3\u5904\u901a\u8fc7apply \u65b9\u6cd5\u8c03\u7528\uff0c\u4f5c\u7528\u57df\u4e3awindow \u5168\u5c40\uff0c\u5e76\u5c06\u8fd4\u56de\u7684\u6570\u7ec4\u4f20\u5165\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">VMrun.apply(null, encode_str);<br>\/*<br>c \u2192 \u5b57\u8282\u7801\u6570\u7ec4\uff08\u6307\u4ee4\u6d41\uff0cswitch \u7684 case \u5c31\u662f opcode\uff09<br>n \u2192 \u5b57\u7b26\u4e32\u5e38\u91cf\u6c60<br>e \u2192 \u8fd0\u884c\u5806\u6808<br>a \u2192 \u5f53\u524d\u4f5c\u7528\u57df\u5bf9\u8c61<br>o \u2192 this\u6307\u5411<br>p \u2192 \u7a0b\u5e8f\u8ba1\u6570\u5668\u8d77\u59cb\u4f4d\u7f6e<br>*\/<br>function VMrun(c, n, e, a, o, p) {<br> &nbsp;  var r = c.length;<br> &nbsp;  let t, l = 0;<br> &nbsp;  var b = [], k = [];<br> &nbsp;  let i, u = 0;<br> \/\/\u4e0b\u9762\u5c31\u662f\u5177\u4f53\u7684\u6307\u4ee4\u96c6....<br>}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6307\u4ee4\u96c6handle \u53ef\u4ee5\u8bf4\u662fvmp \u4e2d\u53ef\u4ee5\u6700\u5feb\u88ab\u8bc6\u522b\u7684\u5730\u65b9\uff0c\u91cd\u70b9\u8fd8\u662f\u8981\u7406\u89e3\u6307\u4ee4\u96c6\u4e4b\u5916\u58f0\u660e\u7684\u90a3\u4e9b\u53d8\u91cf\u7684\u4f5c\u7528\uff0c\u4e0b\u9762\u4f9d\u6b21\u8fdb\u884c\u89e3\u8bfb\u5206\u6790\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>var r = c.length;<\/strong><\/li>\n\n\n\n<li>\u4fdd\u5b58\u5b57\u8282\u7801\u7684\u603b\u957f\u5ea6\uff0c\u7528\u6765\u505a for (let s = p; s &lt; r; s++) \u7684\u5faa\u73af\u8fb9\u754c\u3002<\/li>\n\n\n\n<li><strong>let t, l = 0;<\/strong><\/li>\n\n\n\n<li>t \u2192 \u5f53\u524d\u8ba1\u7b97\u7ed3\u679c\u7684\u5bc4\u5b58\u5668\u3002\u51e0\u4e4e\u6bcf\u6761\u6307\u4ee4\u90fd\u4f1a\u8bfb\u5199\u5b83\uff0c\u6bd4\u5982 t = u + i; \u3002<\/li>\n\n\n\n<li>l \u2192 \u6700\u8fd1\u4e00\u6b21\u5bf9\u8c61\u64cd\u4f5c\u7684\u4e0a\u4e0b\u6587\u3002<\/li>\n\n\n\n<li><strong>var b = [], k = [];<\/strong><\/li>\n\n\n\n<li>case 16: k.push([c[++s], a]); \u2192 \u4fdd\u5b58 catch \u5730\u5740\u548c\u5f53\u524d\u4f5c\u7528\u57df\u3002<\/li>\n\n\n\n<li>catch \u65f6 \u6062\u590d\u6307\u4ee4\u4f4d\u7f6e\u548c\u4f5c\u7528\u57df\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">if (!k.length) throw e;<br>var h = k.pop();<br>s = h[0] - 1, a = h[1];<\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>b \u2192 <strong>\u8f85\u52a9\u6808<\/strong> \uff0c\u4e3b\u8981\u7ed9\u8fed\u4ee3\u5668\u548c\u4e34\u65f6\u4fdd\u5b58\u7528\u3002<\/li>\n\n\n\n<li>k \u2192 <strong>\u5f02\u5e38\u5904\u7406\u6808<\/strong> \uff0c\u5b58\u50a8 try\/catch \u7684\u8fd4\u56de\u70b9\u3002<\/li>\n\n\n\n<li><strong>let i, u = 0;<\/strong><\/li>\n\n\n\n<li>i, u \u2192 \u4e34\u65f6\u5bc4\u5b58\u5668\uff0c\u4e0et \u4e0d\u540c\u7684\u662f\u5b83\u4fe9\u5b58\u50a8\u7684\u662f\u64cd\u4f5c\u6570\u3002<\/li>\n\n\n\n<li>\u5927\u591a\u6570\u7b97\u672f\/\u903b\u8f91\u8fd0\u7b97\u6307\u4ee4\u90fd\u7528 i \u548c u \u914d\u5408\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u53cd\u7f16\u8bd1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u672c\u6b21\u53cd\u7f16\u8bd1\u4e0d\u4f1a\u4ecb\u7ecd\u592a\u96be\u7f16\u8bd1\u7684\u4e00\u4e9b\u8282\u70b9\uff0c\u8fd9\u4e9b\u8282\u70b9\u540e\u7eed\u5355\u72ec\u51fa\uff0c\u6bd4\u5982\u6761\u4ef6\u5206\u652f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u5f15\u5165Babel \u63d2\u4ef6\uff0c\u5e76\u6784\u9020\u4e00\u4e2a\u6839\u8282\u70b9\uff0c\u540e\u7eed\u7528\u4e8e\u5b58\u653e\u751f\u6210\u7684AST \u8282\u70b9\uff0c\u7136\u540e\u5728switch \u5904\u4e0b\u65ad\u70b9\uff0c\u4e0b\u9762\u5c31\u662f\u6839\u636e\u4e0d\u540c\u7684\u6307\u4ee4\u64cd\u4f5c\u7f16\u8bd1\u4e0d\u540c\u7684\u8282\u70b9\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">const parser = require(\"@babel\/parser\");<br>const traverse = require(\"@babel\/traverse\").default;<br>const generator = require(\"@babel\/generator\").default;<br>const types = require(\"@babel\/types\");<br>let astBody = []<br>astTree = types.program(astBody)<br>\u200b<br>function VMrun(c, n, e, a, o, p,astbody){\/\/\u7ed9\u5165\u53c2\u6dfb\u52a0\u4e00\u4e2aastbody<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 26<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u6761\u6307\u4ee4\uff0c\u4ece\u5b57\u7b26\u4e32\u5e38\u91cf\u6c60\u53d6\u5bf9\u5e94\u7d22\u5f15\u7684\u503c\u5165\u6808\u3002\u5bf9\u5e94\u4fee\u6539\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 26:<br> e.push(n[c[++s]]);<br> break;<br>\/\/===========<br>e.push(types.stringLiteral(n[c[++s]]))<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636ec[++s] \u9009\u62e9\u5c06\u53d6\u51fa\u7684\u503c\u5b58\u653e\u5230\u54ea\u4e2a\u4e34\u65f6\u5bc4\u5b58\u5668\u3002\u76f8\u5f53\u4e8e\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u53d8\u91cflet t = string<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 2:<br> c[++s] ? l = e.pop() : t = e.pop();<br> break;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 10<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u4e34\u65f6\u53d8\u91cf\u8fdb\u884c\u5165\u6808\u64cd\u4f5c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 10:<br> e.push(t);<br> break;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f39\u51fa\u4e34\u65f6\u53d8\u91cf\uff0c\u5224\u65ad\u662f\u5426\u5b58\u5728\u4e8e\u5f53\u524d\u4f5c\u7528\u57df\uff0c\u82e5\u6ca1\u6709\u4e14\u5b58\u5728\u7236\u4f5c\u7528\u57df\u5219\u7ee7\u7eed\u5411\u4e0a\u67e5\u627e\uff0c\u7136\u540e\u4ece\u4f5c\u7528\u57df\u53d6\u51fa\u5bf9\u5e94\u7684\u503c\u5e76\u5b58\u5230t \u4e2d\u3002\u4e3a\u4e86\u4fbf\u4e8e\u7406\u89e3\uff0c\u76f4\u63a5\u9ed8\u8ba4u = this \u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">for (i = e.pop(), u = a; !(i in u) &amp;&amp; u[\"PAR SCOPE\"]; u = u[\"PAR SCOPE\"]) ;<br>t = u[i]; \/\/u[i]\u6210\u5458\u8868\u8fbe\u5f0f<br>\/\/=========<br>t = types.memberExpression(types.thisExpression(),e.pop(),true);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 31<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5148\u5165\u540e\u51fa\u539f\u5219\uff0c\u628a\u6808\u9876\u7684\u4e24\u4e2a\u5143\u7d20\u4ea4\u6362\u987a\u5e8f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 31:<br> e.push(e.pop(), e.pop());<br> break;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 14<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6210\u5458\u8bbf\u95ee\u64cd\u4f5c\uff0c\u7ed9l \u8d4b\u503c\u4e00\u4e2athis \u6307\u5411\uff0c\u4e3a\u51fd\u6570\u8c03\u7528\u505a\u94fa\u57ab\u3002\u7c7b\u4f3c\u4e8e\u8fd9\u79cd\u64cd\u4f5c\uff0ct = {&#8220;a&#8221;:1},l=t,t=t[&#8220;a&#8221;] \u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 14:<br> &nbsp;  t = (l = t)[e.pop()];<br> &nbsp;  break;<br>\/\/=========<br>l = t;<br>t = types.memberExpression(t,e.pop(),true);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 15<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fd\u6570\u8c03\u7528\uff0c\u8c03\u7528\u5b8c\u6210\u540e\u5c06\u6808\u4e2d\u51fd\u6570\u53c2\u6570\u5f39\u51fa\uff0c\u5c06l \u8d4b\u503c\u4e3a\u5f53\u524d\u4f5c\u7528\u57df\u7684this \u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 15:<br> &nbsp;  t = t.apply(l, e.slice(e.length - c[++s])), e.length -= c[s], l = o;<br> &nbsp;  break;<br>\/\/=========<br>let args = e.slice(e.length - c[++s]);<br>let callexp = types.callExpression(types.memberExpression(<br> &nbsp;  t,types.identifier('apply')<br>),[<br> &nbsp;  l,types.arrayExpression(args)<br>])<br>let val3 = types.identifier('v_0');<br>let ast3 = types.variableDeclaration('let',[<br> &nbsp;  types.variableDeclarator(val3,callexp)<br>])<br>astbody.push(ast3);<br>e.length -= c[s]<br>t = val3;<br>l = types.thisExpression();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5165\u6808\u4e00\u4e2anumber \u503c\u4f5c\u4e3a\u7d22\u5f15\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 0:<br> &nbsp;  e.push(c[++s]);<br> &nbsp;  break;<br>\/\/===<br>e.push(types.numericLiteral(c[++s]));<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 28<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed9\u4e34\u65f6\u53d8\u91cf\u5b58\u50a8\u4e00\u4e2a\u503c\uff0c\u8fd9\u4e2a\u503c\u5c31\u662f\u6e90\u4ee3\u7801\u4e2da,b \u58f0\u660e\u7684\u6570\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 28:<br> &nbsp;  t = c[++s];<br> &nbsp;  break;<br>\/\/========<br>t = types.numericLiteral(c[++s]);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u8fd9\u4e2a\u503c\u6309\u7d22\u5f15\u5b58\u50a8\u5230\u4e86\u4f5c\u7528\u57df\u5bf9\u8c61\u4e2d\u3002\u4e3a\u4e86\u4fbf\u4e8e\u7406\u89e3\u8fd8\u662f\u9ed8\u8ba4\u4f5c\u7528\u57df\u4e3athis \u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 8:<br> &nbsp;  a[e.pop()] = t;<br> &nbsp;  break;<br>\/\/=======<br>\/\/\u5c06\u53d8\u91cf\u7684\u503c\u6dfb\u52a0<br>let ast1 = types.assignmentExpression('=',types.memberExpression(types.thisExpression(),e.pop(),true),t)<br>astbody.push(ast1)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 34<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636ec[++s] \u7684\u503c\u9009\u62e9\u5bf9\u5e94\u7684\u5224\u65ad\u6761\u4ef6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 34:<br> &nbsp;  t = c[++s] ? e.pop() &lt; e.pop() : e.pop() &lt;= e.pop();<br> &nbsp;  break;<br>\/\/========<br>if(c[++s]){<br> &nbsp;  t = types.binaryExpression('&lt;',e.pop(),e.pop())<br>}else{<br> &nbsp;  t = types.binaryExpression('&lt;=',e.pop(),e.pop())<br>}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 13<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u6761\u4ef6\u5206\u652f\u4e86\uff0c\u5bf9\u4e8e\u8fd9\u79cd\u5206\u652f\u8282\u70b9\uff0c\u9762\u5bf9\u65b0\u624b\u6765\u8bf4\u9009\u62e9\u6700\u7b80\u5355\u7684\u529e\u6cd5\uff0c\u5728t \u5904\u4e0b\u65ad\u70b9\uff0c\u624b\u52a8\u53bb\u5224\u65ad\u5b83\u8d70\u54ea\u4e2a\u5206\u652f\uff0c\u8fd9\u4e2a\u8282\u70b9\u7684\u7f16\u8bd1\u53ef\u4ee5\u5355\u72ec\u5f00\u4e00\u7bc7\uff0c\u5728\u6b64\u4e0d\u8fdb\u884c\u8fc7\u591a\u8bb2\u89e3\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 13:<br> &nbsp;  t ? s++ : s = c[++s] - 1;<br> &nbsp;  break;<br>\/\/\u6839\u636e\u6761\u4ef6\u624b\u52a8\u53bb\u6539<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u52a0\u6cd5\u64cd\u4f5c\uff0c\u628a\u6808\u9876\u7684\u4e24\u4e2a\u64cd\u4f5c\u6570\u5f39\u51fa\u6765\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 3:<br> &nbsp;  i = e.pop(), u = e.pop(), t = u + i;<br> &nbsp;  break;<br>\/\/============<br>t = types.binaryExpression('+',u,i)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 19<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4f5c\u7528\u57df\u5bf9\u8c61\u5e76\u8fde\u63a5\u5230\u7236\u4f5c\u7528\u57df\u3002\u65e0\u89c6\u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 19:<br> a = {\"PAR SCOPE\": a};<br> break;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ddf\u6307\u4ee430\u7c7b\u4f3c\u7684\u64cd\u4f5c\uff0c\u4e0d\u8fc7\u8fd9\u6b21\u662f\u8d4b\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 9:<br> &nbsp;  for (i = e.pop(), u = a; !(i in u) &amp;&amp; u[\"PAR SCOPE\"]; u = u[\"PAR SCOPE\"]) ;<br> &nbsp;  u[i] = t;<br> &nbsp;  break;<br>\/\/=========<br>let ast7 = types.assignmentExpression('=',types.memberExpression(<br> &nbsp;  types.thisExpression(),e.pop(),true<br>),t);<br>astbody.push(ast7)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6808\u9876\u5f39\u51fa\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 1:<br> &nbsp;  e.pop();<br> &nbsp;  break;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 20<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9000\u51fa\u5f53\u524d\u4f5c\u7528\u57df\uff0c\u6062\u590d\u5230\u7236\u4f5c\u7528\u57df<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 20:<br> &nbsp;  a = a[\"PAR SCOPE\"] || a;<br> &nbsp;  break;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u4ee4 11<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8df3\u8f6c\u8bed\u53e5\uff0c\u8fd9\u8fb9\u90fd\u662fif-else \u9057\u7559\u95ee\u9898\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">case 11:<br> s = c[++s] - 1;<br> break;<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u679c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u5b8c\u6210\u540e\uff0cgenerator(astTree).code \u751f\u6210\u53cd\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\u3002\u4e4b\u524d\u4e3a\u4e86\u4fbf\u4e8e\u7406\u89e3\u7f16\u8bd1\uff0c\u9ed8\u8ba4\u5168\u90e8\u4e3athis \u4f5c\u7528\u57df\uff0c\u73b0\u5728\u4fee\u6539\u4e00\u4e0b\u4ee3\u7801\uff0c\u7136\u540e\u653e\u5230\u6d4f\u89c8\u5668\u8fd0\u884c\u51fa\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">let v_0 = this[\"console\"][\"log\"].apply(this[\"console\"], [\"Frida and So\"]);\/\/\u7f51\u7ad9\u9ed8\u8ba4\u7684\u6253\u5370\u4fe1\u606f\uff0c\u6211\u5728\u6b64\u4fee\u6539\u4e86<br>\/\/\u4e0b\u9762\u624d\u662f\u6e90\u4ee3\u7801<br>let varobj = {}<br>varobj[1] = 2<br>varobj[2] = 4<br>let v_1 = varobj[1] + 2;<br>varobj[1] = v_1<br>varobj[3] = varobj[2] + varobj[1]<br>let v_2 = this[\"console\"][\"log\"].apply(this[\"console\"], [varobj[3]]);<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\u6211\u5bf9\u56fd\u5185\u3001\u56fd\u5916\u7684\u4e00\u4e9bvmp \u8fdb\u884c\u4e86\u53cd\u7f16\u8bd1\uff0c\u56fd\u5185\u7684vmp \u6709\u4e9b\u7684\u7ed3\u6784\u90fd\u5dee\u4e0d\u591a\uff0c\u6307\u4ee4\u96c6\u4e5f\u4e0d\u591a\uff0c\u6df7\u6dc6\u4e5f\u4e0d\u591a\uff1b\u56fd\u5916\u7684\u6709\u4e9bvmp \u5bf9\u81ea\u8eab\u4ee3\u7801\u8fdb\u884c\u4e86\u4fdd\u62a4\uff0c\u6307\u4ee4\u96c6\u5de8\u591a\uff0c\u8ba9\u4f60\u5728\u5206\u6790vmp \u7ed3\u6784\u7684\u65f6\u5019\u66f4\u52a0\u56f0\u96be\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e09\u79cdvmp \u89e3\u51b3\u529e\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u8981\u4e92\u76f8\u7ed3\u5408\u4f7f\u7528\uff0c\u6700\u540ewasmvm \u4e5f\u5df2\u7ecf\u51fa\u73b0(\u67d0\u4e4e \uff0ccctv )\uff0c\u76ee\u524d\u8fd8\u6ca1\u6709trace \u5de5\u5177\u7684\u60c5\u51b5\u4e0b\u9006\u5411\u7b97\u6cd5\u662f\u975e\u5e38\u56f0\u96be\u7684\uff0c\u8d77\u7801so \u8fd8\u6709\u4e2aunidbg trace \uff0c\u800cwasm \u53ea\u80fd\u5355\u6b65\u8c03\u8bd5\uff0c\u9759\u6001\u770bida \u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jsvmp\u53cd\u7f16\u8bd1 \u539f\u521b dlopen Frida and So 2025-08-18 09:20 \u7b80\u8981 jsv [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-84","post","type-post","status-publish","format-standard","hentry","category-7"],"_links":{"self":[{"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=\/wp\/v2\/posts\/84","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=84"}],"version-history":[{"count":1,"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=\/wp\/v2\/posts\/84\/revisions"}],"predecessor-version":[{"id":85,"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=\/wp\/v2\/posts\/84\/revisions\/85"}],"wp:attachment":[{"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=84"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=84"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/muse.lzink.icu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=84"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}