实例介绍
【实例截图】
【核心代码】
<?php use Ganlv\MfencDecompiler\Decompiler; use Ganlv\MfencDecompiler\DfsDisassembler; use Ganlv\MfencDecompiler\DirectedGraphStructureSimplifier; use Ganlv\MfencDecompiler\Disassembler1; use Ganlv\MfencDecompiler\Disassembler2; use Ganlv\MfencDecompiler\GraphViewer; use Ganlv\MfencDecompiler\Helper; use Ganlv\MfencDecompiler\VmDecompiler; require 'vendor/autoload.php'; ini_set('xdebug.max_nesting_level', 1000000); $functionIndex = 10; if (isset($_GET['flowchart'])) { $functionIndex = $_GET['flowchart']; $graph = getGraph($functionIndex); $simplifier = new DirectedGraphStructureSimplifier($graph); $graph = $simplifier->simplify(); header('Content-Type: text/plain; charset=UTF-8'); echo Helper::graphToFlowchart($graph); return; } if (isset($_GET['id'])) { $functionIndex = $_GET['id']; } $dissectInstructions = getStructuredInstructions($functionIndex); $decompiler = new Decompiler($dissectInstructions); try { $decompiler->decompile(); } catch (Exception $e) { echo $e->getMessage(), PHP_EOL, PHP_EOL; echo $e->getTraceAsString(), PHP_EOL, PHP_EOL; } $ast = $decompiler->ast; echo Helper::prettyPrintFile($ast); $nodeVisitor = new \Ganlv\MfencDecompiler\NodeVisitors\GetAllEipsNodeVisitor(); Helper::traverseAst($nodeVisitor, $ast); $eips = $nodeVisitor->eips; file_put_contents("runtime/$functionIndex.structure.summary.txt", Helper::printStructuredInstructionsIsUsed(getStructuredInstructions($functionIndex), $eips, true)); $stack = $decompiler->stack; $ast = \Ganlv\MfencDecompiler\Beautifier::beautify($ast); file_put_contents("runtime/$functionIndex.decompiled.1.php", Helper::prettyPrintFile($ast)); function getAst() { if (!file_exists("runtime/ast.serialize.txt")) { $original = file_get_contents('tests/keke_xzhseo.class.php'); $ast = Helper::parseCode($original); file_put_contents("runtime/ast.serialize.txt", serialize($ast)); } else { $ast = unserialize(file_get_contents("runtime/ast.serialize.txt")); } return $ast; } function getInstructions($functionIndex) { if (!file_exists("runtime/$functionIndex.instructions.serialize.txt")) { $ast = getAst(); $ast = $ast[11]->stmts[$functionIndex]->stmts; $vmStart = VmDecompiler::findVmStart($ast); $vmVariables = VmDecompiler::findVmVariables($ast, $vmStart); $vmMemoryData = VmDecompiler::findVmMemoryData($ast, $vmStart); $disassembler = new Disassembler1($vmMemoryData['memory_data']); $disassembler2 = new Disassembler2($vmVariables); $dfsDisassembler = new DfsDisassembler($disassembler, $disassembler2); $dfsDisassembler->disassemble(); $instructions = $dfsDisassembler->getInstructions(); file_put_contents("runtime/$functionIndex.instructions.serialize.txt", serialize($instructions)); file_put_contents("runtime/$functionIndex.instructions.txt", Helper::printInstructions($instructions, true, true)); } else { $instructions = unserialize(file_get_contents("runtime/$functionIndex.instructions.serialize.txt")); } return $instructions; } function getGraph($functionIndex) { if (!file_exists("runtime/$functionIndex.graph.serialize.txt")) { $instructions = getInstructions($functionIndex); $graph = GraphViewer::toDirectedGraph($instructions); $graph->simplify(); file_put_contents("runtime/$functionIndex.graph.serialize.txt", serialize($graph)); file_put_contents("runtime/$functionIndex.graph.txt", Helper::printDirectedGraph($graph, true)); } else { $graph = unserialize(file_get_contents("runtime/$functionIndex.graph.serialize.txt")); } return $graph; } function getStructuredInstructions($functionIndex) { if (!file_exists("runtime/$functionIndex.structure.serialize.txt")) { $graph = getGraph($functionIndex); $simplifier = new DirectedGraphStructureSimplifier($graph); $graph = $simplifier->simplify(); assert(count($graph->getVerticesId()) === 1); $instructions = $graph->getVertex(0); file_put_contents("runtime/$functionIndex.structure.serialize.txt", serialize($instructions)); file_put_contents("runtime/$functionIndex.structure.txt", Helper::printStructuredInstructions($instructions, true)); } else { $instructions = unserialize(file_get_contents("runtime/$functionIndex.structure.serialize.txt")); } return $instructions; }
标签: 解密魔方二代加密的代码工具
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