de4dot-cex/de4dot.code/deobfuscators/Unknown/Deobfuscator.cs
2011-10-08 18:43:22 +02:00

121 lines
3.4 KiB
C#

/*
Copyright (C) 2011 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 <http://www.gnu.org/licenses/>.
*/
using System.Text.RegularExpressions;
namespace de4dot.deobfuscators.Unknown {
class DeobfuscatorInfo : DeobfuscatorInfoBase {
public DeobfuscatorInfo()
: base("un") {
}
internal static string ObfuscatorType {
get { return "Unknown"; }
}
public override string Type {
get { return ObfuscatorType; }
}
public override IDeobfuscator createDeobfuscator() {
return new Deobfuscator(new Deobfuscator.Options {
RenameResourcesInCode = false,
ValidNameRegex = validNameRegex.get(),
});
}
}
class Deobfuscator : DeobfuscatorBase {
string obfuscatorName = "Unknown Obfuscator";
internal class Options : OptionsBase {
}
public override string Type {
get { return DeobfuscatorInfo.ObfuscatorType; }
}
public override string Name {
get { return obfuscatorName; }
}
public Deobfuscator(Options options)
: base(options) {
}
public override int detect() {
scanForObfuscator();
return 1;
}
protected override void scanForObfuscatorInternal() {
var name = scanTypes();
if (name != null)
obfuscatorName = name;
}
string scanTypes() {
foreach (var type in module.Types) {
if (type.FullName == "BabelAttribute" || type.FullName == "BabelObfuscatorAttribute")
return "Babel Obfuscator";
if (type.Namespace == "___codefort")
return "CodeFort";
if (type.FullName == "____KILL")
return "DeployLX CodeVeil";
if (type.FullName == "CryptoObfuscator.ProtectedWithCryptoObfuscatorAttribute")
return "Crypto Obfuscator";
if (type.FullName.Contains("ObfuscatedByGoliath"))
return "Goliath .NET Obfuscator";
if (type.FullName == "Xenocode.Client.Attributes.AssemblyAttributes.ProcessedByXenocode")
return "Xenocode";
if (type.FullName == "ZYXDNGuarder")
return "DNGuard HVM";
if (type.FullName == "InfaceMaxtoCode")
return "MaxtoCode";
if (type.Name.Contains("();\t"))
return "Manco .NET Obfuscator";
if (Regex.IsMatch(type.FullName, @"^EMyPID_\d+_$"))
return "BitHelmet Obfuscator";
if (type.FullName == "NineRays.Decompiler.NotDecompile")
return "Spices.Net Obfuscator";
if (type.FullName == "YanoAttribute")
return "Yano Obfuscator";
if (type.FullName == "ConfusedByAttribute")
return "Confuser";
}
return checkCryptoObfuscator();
}
string checkCryptoObfuscator() {
int matched = 0;
foreach (var type in module.Types) {
if (type.Namespace != "A")
continue;
if (Regex.IsMatch(type.Name, "^c[0-9a-f]{32}$"))
return "Crypto Obfuscator";
else if (Regex.IsMatch(type.Name, "^A[A-Z]*$")) {
if (++matched >= 10)
return "Crypto Obfuscator";
}
}
return null;
}
}
}