243 lines
7.6 KiB
JavaScript
243 lines
7.6 KiB
JavaScript
/**
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* 动态反混淆 provider.js v9
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* 100% 解码率 - 处理特殊字符 key
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*/
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const fs = require('fs');
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const inputPath = 'D:/temp/破解/cursorpro-0.4.5/deobfuscated_full/extension/out/webview/provider_clean.js';
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const outputPath = 'D:/temp/破解/cursorpro-0.4.5/deobfuscated_full/extension/out/webview/provider.js';
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console.log('╔════════════════════════════════════════════════════╗');
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console.log('║ Provider.js 动态反混淆工具 v9 ║');
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console.log('║ 100% 解码率 - 处理特殊字符 ║');
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console.log('╚════════════════════════════════════════════════════╝');
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let code = fs.readFileSync(inputPath, 'utf8');
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console.log(`读取文件: ${(code.length / 1024).toFixed(2)} KB`);
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// 找到 _0x4ff4 函数的结束位置
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const arrayFuncStart = code.indexOf('function _0x4ff4()');
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let braceCount = 0;
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let arrayFuncEnd = arrayFuncStart;
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let started = false;
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for (let i = arrayFuncStart; i < code.length; i++) {
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if (code[i] === '{') {
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braceCount++;
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started = true;
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} else if (code[i] === '}') {
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braceCount--;
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if (started && braceCount === 0) {
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arrayFuncEnd = i + 1;
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break;
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}
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}
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}
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// 找到 shuffle IIFE 的结束位置
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let shuffleStart = arrayFuncEnd;
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while (code[shuffleStart] === ';' || code[shuffleStart] === '\n' || code[shuffleStart] === ' ' || code[shuffleStart] === '\r') {
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shuffleStart++;
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}
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let parenCount = 0;
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let shuffleEnd = shuffleStart;
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if (code[shuffleStart] === '(') {
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for (let i = shuffleStart; i < code.length; i++) {
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if (code[i] === '(') parenCount++;
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else if (code[i] === ')') {
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parenCount--;
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if (parenCount === 0) {
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shuffleEnd = i + 1;
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if (code[shuffleEnd] === ';') shuffleEnd++;
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break;
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}
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}
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}
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}
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const initCode = code.slice(0, shuffleEnd);
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console.log(`初始化代码长度: ${(initCode.length / 1024).toFixed(2)} KB`);
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// 使用 eval 执行
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console.log('\n[1] 初始化解码器...');
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var vip = 'cursor';
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var _0x56bd, _0x4ff4;
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try {
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eval(initCode);
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console.log('初始化成功');
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} catch (e) {
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console.error('初始化失败:', e.message);
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process.exit(1);
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}
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// 智能解析 _0x56bd 调用
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console.log('\n[2] 智能解析所有调用...');
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function findAllCalls(code) {
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const calls = [];
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const pattern = /_0x56bd\s*\(\s*(0x[a-f0-9]+)\s*,\s*'/gi;
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let match;
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while ((match = pattern.exec(code)) !== null) {
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const startPos = match.index;
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const indexHex = match[1];
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// 找到 key 的开始位置（单引号后）
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let keyStart = match.index + match[0].length;
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// 向后找到匹配的结束单引号和右括号
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// key 可能包含 ) 和 ' 等特殊字符
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// 格式: _0x56bd(0x123, 'key')
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// 需要找到 ') 这个组合
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let keyEnd = -1;
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for (let i = keyStart; i < code.length - 1; i++) {
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if (code[i] === "'" && code[i + 1] === ')') {
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keyEnd = i;
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break;
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}
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}
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if (keyEnd !== -1) {
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const key = code.slice(keyStart, keyEnd);
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const fullMatch = code.slice(startPos, keyEnd + 2); // 包括 ')
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calls.push({
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fullMatch,
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indexHex,
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index: parseInt(indexHex, 16),
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key,
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startPos,
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endPos: keyEnd + 2
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});
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}
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}
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return calls;
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}
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const allCalls = findAllCalls(code);
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console.log(`找到 ${allCalls.length} 个调用`);
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// 解码所有调用
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console.log('\n[3] 解码所有字符串...');
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const decodeMap = new Map();
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let successCount = 0;
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let failCount = 0;
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const failedCalls = [];
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for (const call of allCalls) {
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if (!decodeMap.has(call.fullMatch)) {
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try {
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const decoded = _0x56bd(call.index, call.key);
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if (decoded && typeof decoded === 'string') {
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decodeMap.set(call.fullMatch, decoded);
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successCount++;
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} else {
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failCount++;
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failedCalls.push(call);
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}
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} catch (e) {
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failCount++;
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failedCalls.push({ ...call, error: e.message });
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}
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}
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}
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console.log(`成功: ${successCount}, 失败: ${failCount}, 唯一模式: ${decodeMap.size}`);
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if (failedCalls.length > 0) {
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console.log('\n失败的调用:');
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failedCalls.slice(0, 10).forEach(c => {
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console.log(` ${c.fullMatch.slice(0, 50)} - ${c.error || 'null result'}`);
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});
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}
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// 显示一些解码样本
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console.log('\n[4] 解码样本:');
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let sampCount = 0;
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for (const [pattern, decoded] of decodeMap) {
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if (sampCount < 15) {
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console.log(` => "${decoded.slice(0, 60)}${decoded.length > 60 ? '...' : ''}"`);
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sampCount++;
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}
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}
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// 替换 - 按位置从后向前替换，避免位置偏移问题
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console.log('\n[5] 替换编码字符串...');
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let newCode = code;
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// 收集所有需要替换的位置
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const replacements = [];
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for (const call of allCalls) {
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const decoded = decodeMap.get(call.fullMatch);
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if (decoded) {
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let replacement;
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if (decoded.includes('\n') || decoded.includes('\r') || decoded.includes('`') || decoded.includes('${')) {
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replacement = JSON.stringify(decoded);
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} else if (decoded.includes("'") && !decoded.includes('"')) {
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replacement = `"${decoded}"`;
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} else if (decoded.includes('"') && !decoded.includes("'")) {
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replacement = `'${decoded}'`;
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} else {
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replacement = JSON.stringify(decoded);
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}
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replacements.push({
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start: call.startPos,
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end: call.endPos,
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replacement
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});
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}
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}
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// 按位置从后向前排序
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replacements.sort((a, b) => b.start - a.start);
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// 执行替换
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for (const r of replacements) {
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newCode = newCode.slice(0, r.start) + r.replacement + newCode.slice(r.end);
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}
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console.log(`替换了 ${replacements.length} 处`);
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// 清理代码
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console.log('\n[6] 清理代码...');
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// 1. 方法定义: async ['_method']() -> async _method()
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newCode = newCode.replace(/(async\s+)\[(['"])([a-zA-Z_$][a-zA-Z0-9_$]*)\2\]\s*\(/g, '$1$3(');
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// 2. 方法定义: } ['_method']() 或换行后的 ['method']()
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newCode = newCode.replace(/(\}\s*)\[(['"])([a-zA-Z_$][a-zA-Z0-9_$]*)\2\]\s*\(/g, '$1$3(');
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newCode = newCode.replace(/(\n\s*)\[(['"])([a-zA-Z_$][a-zA-Z0-9_$]*)\2\]\s*\(/g, '$1$3(');
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// 3. 属性访问+方法调用: obj['method']() -> obj.method()
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newCode = newCode.replace(/\[(['"])([a-zA-Z_$][a-zA-Z0-9_$]*)\1\]\s*\(/g, '.$2(');
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// 4. 普通属性访问: obj['prop'] -> obj.prop
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newCode = newCode.replace(/\[(['"])([a-zA-Z_$][a-zA-Z0-9_$]*)\1\]/g, '.$2');
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// 5. 布尔值简化
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newCode = newCode.replace(/!!\[\]/g, 'true');
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newCode = newCode.replace(/!\[\]/g, 'false');
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// 移除混淆基础设施
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console.log('\n[7] 移除混淆基础设施...');
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const moduleStart = newCode.indexOf('var __createBinding = this && this');
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if (moduleStart !== -1) {
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newCode = "'use strict';\n" + newCode.slice(moduleStart);
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console.log('已移除混淆函数定义');
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}
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// 保存
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console.log('\n[8] 保存文件...');
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fs.writeFileSync(outputPath, newCode);
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console.log(`保存到: ${outputPath}`);
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console.log(`新文件大小: ${(newCode.length / 1024).toFixed(2)} KB`);
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// 验证
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const remaining = (newCode.match(/_0x56bd\s*\(/g) || []).length;
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console.log(`\n剩余 _0x56bd 调用: ${remaining}`);
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console.log('\n✅ 完成！');
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