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Description
de4dot is an open source (GPLv3) .NET deobfuscator and unpacker written in C#. It will try its best to restore a packed and obfuscated assembly to almost the original assembly. Most of the obfuscation can be completely restored (eg. string encryption), but symbol renaming is impossible to restore since the original names aren't (usually) part of the obfuscated assembly.
It uses dnlib to read and write assemblies so make sure you get it or it won't compile.
It's FREE but there's NO SUPPORT
There's no support. Don't email me if you can't use it or if it fails to deobfuscate a file obfuscated with an updated obfuscator.
Instead, try to update de4dot yourself. It's a lot easier than you think. If you can't, search the Internet and you should find a couple of forums where you can ask your question.
Features
Here's a pseudo random list of the things it will do depending on what obfuscator was used to obfuscate an assembly:
- Inline methods. Some obfuscators move small parts of a method to another static method and calls it.
- Decrypt strings statically or dynamically
- Decrypt other constants. Some obfuscators can also encrypt other constants, such as all integers, all doubles, etc.
- Decrypt methods statically or dynamically
- Remove proxy methods. Many obfuscators replace most/all call instructions with a call to a delegate. This delegate in turn calls the real method.
- Rename symbols. Even though most symbols can't be restored, it will rename them to human readable strings. Sometimes, some of the original names can be restored, though.
- Devirtualize virtualized code
- Decrypt resources. Many obfuscators have an option to encrypt .NET resources.
- Decrypt embedded files. Many obfuscators have an option to embed and possibly encrypt/compress other assemblies.
- Remove tamper detection code
- Remove anti-debug code
- Control flow deobfuscation. Many obfuscators modify the IL code so it looks like spaghetti code making it very difficult to understand the code.
- Restore class fields. Some obfuscators can move fields from one class to some other obfuscator created class.
- Convert a PE exe to a .NET exe. Some obfuscators wrap a .NET assembly inside a Win32 PE so a .NET decompiler can't read the file.
- Removes most/all junk classes added by the obfuscator.
- Fixes some peverify errors. Many of the obfuscators are buggy and create unverifiable code by mistake.
- Restore the types of method parameters and fields
Supported obfuscators/packers
- Agile.NET (aka CliSecure)
- Babel.NET
- CodeFort
- CodeVeil
- CodeWall
- CryptoObfuscator
- DeepSea Obfuscator
- Dotfuscator
- .NET Reactor
- Eazfuscator.NET
- Goliath.NET
- ILProtector
- MaxtoCode
- MPRESS
- Rummage
- Skater.NET
- SmartAssembly
- Spices.Net
- Xenocode
Download:
Github:
Credits to: 0xd4d
Thanks = :3 :rolleyes:
