122 lines
3.1 KiB
C#
122 lines
3.1 KiB
C#
/*
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Copyright (C) 2011-2012 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 System.Collections.Generic;
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using Mono.Cecil;
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using Mono.MyStuff;
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namespace de4dot.code.deobfuscators.MaxtoCode {
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public class DeobfuscatorInfo : DeobfuscatorInfoBase {
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public const string THE_NAME = "MaxtoCode";
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public const string THE_TYPE = "mc";
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const string DEFAULT_REGEX = @"!^[oO01l]+$&" + DeobfuscatorBase.DEFAULT_VALID_NAME_REGEX;
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public DeobfuscatorInfo()
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: base(DEFAULT_REGEX) {
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}
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public override string Name {
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get { return THE_NAME; }
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}
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public override string Type {
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get { return THE_TYPE; }
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}
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public override IDeobfuscator createDeobfuscator() {
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return new Deobfuscator(new Deobfuscator.Options {
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RenameResourcesInCode = false,
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ValidNameRegex = validNameRegex.get(),
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});
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}
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}
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class Deobfuscator : DeobfuscatorBase {
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Options options;
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MainType mainType;
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internal class Options : OptionsBase {
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}
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public override string Type {
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get { return DeobfuscatorInfo.THE_TYPE; }
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}
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public override string TypeLong {
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get { return DeobfuscatorInfo.THE_NAME; }
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}
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public override string Name {
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get { return DeobfuscatorInfo.THE_NAME; }
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}
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internal Deobfuscator(Options options)
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: base(options) {
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this.options = options;
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}
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protected override int detectInternal() {
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int val = 0;
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if (mainType.Detected)
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val = 150;
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return val;
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}
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protected override void scanForObfuscator() {
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mainType = new MainType(module);
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mainType.find();
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}
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public override bool getDecryptedModule(ref byte[] newFileData, ref DumpedMethods dumpedMethods) {
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if (!mainType.Detected)
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return false;
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var fileDecrypter = new FileDecrypter(mainType);
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var fileData = DeobUtils.readModule(module);
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if (!fileDecrypter.decrypt(fileData, ref dumpedMethods))
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return false;
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newFileData = fileData;
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return true;
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}
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public override IDeobfuscator moduleReloaded(ModuleDefinition module) {
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var newOne = new Deobfuscator(options);
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newOne.setModule(module);
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newOne.mainType = new MainType(module, mainType);
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return newOne;
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}
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public override void deobfuscateBegin() {
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base.deobfuscateBegin();
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foreach (var method in mainType.InitMethods)
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addCctorInitCallToBeRemoved(method);
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addTypeToBeRemoved(mainType.Type, "Obfuscator type");
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addModuleReferencesToBeRemoved(mainType.ModuleReferences, "MC runtime module reference");
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}
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public override IEnumerable<int> getStringDecrypterMethods() {
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return new List<int>();
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}
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}
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}
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