/*
Copyright (C) 2011-2012 de4dot@gmail.com
This file is part of de4dot.
de4dot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
de4dot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with de4dot. If not, see .
*/
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace de4dot.code.deobfuscators.Unknown {
public class DeobfuscatorInfo : DeobfuscatorInfoBase {
public const string THE_NAME = "Unknown";
public const string THE_TYPE = "un";
public DeobfuscatorInfo()
: base() {
}
public override string Name {
get { return THE_NAME; }
}
public override string Type {
get { return THE_TYPE; }
}
public override IDeobfuscator createDeobfuscator() {
return new Deobfuscator(new Deobfuscator.Options {
RenameResourcesInCode = false,
ValidNameRegex = validNameRegex.get(),
});
}
}
class Deobfuscator : DeobfuscatorBase {
string obfuscatorName;
internal class Options : OptionsBase {
}
public override string Type {
get { return DeobfuscatorInfo.THE_TYPE; }
}
public override string TypeLong {
get { return DeobfuscatorInfo.THE_NAME; }
}
public override string Name {
get { return obfuscatorName ?? "Unknown Obfuscator"; }
}
protected override bool KeepTypes {
get { return true; }
}
internal Deobfuscator(Options options)
: base(options) {
}
void setName(string name) {
if (obfuscatorName == null && name != null)
obfuscatorName = name;
}
public override int earlyDetect() {
setName(earlyScanTypes());
return obfuscatorName != null ? 1 : 0;
}
string earlyScanTypes() {
foreach (var type in module.Types) {
if (type.FullName == "ConfusedByAttribute")
return "Confuser";
}
return null;
}
protected override int detectInternal() {
setName(scanTypes());
return 1;
}
protected override void scanForObfuscator() {
}
string scanTypes() {
foreach (var type in module.Types) {
if (type.FullName == "ZYXDNGuarder")
return "DNGuard HVM";
if (type.Name.Contains("();\t"))
return "Manco .NET Obfuscator";
if (Regex.IsMatch(type.FullName, @"^EMyPID_\d+_$"))
return "BitHelmet Obfuscator";
if (type.FullName == "YanoAttribute")
return "Yano Obfuscator";
}
return null;
}
public override IEnumerable getStringDecrypterMethods() {
return new List();
}
}
}