75 lines
1.9 KiB
C#
75 lines
1.9 KiB
C#
/*
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Copyright (C) 2011 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Mono.Cecil;
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using de4dot.blocks;
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using de4dot.blocks.cflow;
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namespace de4dot.code.deobfuscators.dotNET_Reactor.v3 {
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class ApplicationModeDecrypter {
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ModuleDefinition module;
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AssemblyResolver assemblyResolver;
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MemoryPatcher memoryPatcher;
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public byte[] AssemblyKey {
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get { return assemblyResolver.Key; }
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}
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public byte[] AssemblyIv {
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get { return assemblyResolver.Iv; }
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}
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public MemoryPatcher MemoryPatcher {
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get { return memoryPatcher; }
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}
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public bool Detected {
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get { return assemblyResolver != null; }
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}
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public ApplicationModeDecrypter(ModuleDefinition module) {
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this.module = module;
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find();
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}
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void find() {
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var cflowDeobfuscator = new CflowDeobfuscator() {
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InlineMethods = true,
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InlineInstanceMethods = true,
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};
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foreach (var type in module.Types) {
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if (DotNetUtils.getPInvokeMethod(type, "kernel32", "CloseHandle") == null)
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continue;
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var resolver = new AssemblyResolver(type, cflowDeobfuscator);
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if (!resolver.Detected)
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continue;
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var patcher = new MemoryPatcher(type, cflowDeobfuscator);
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if (!patcher.Detected)
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continue;
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assemblyResolver = resolver;
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memoryPatcher = patcher;
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return;
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}
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}
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}
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}
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