Confuserex-unpacker-2 New! May 2026
ConfuserEx-Unpacker-2, developed by KoiHook, is an open-source tool designed to reverse protections applied by ConfuserEx, including modern modded versions, by targeting constant decryption, control flow deobfuscation, and anti-tamper mechanisms [5, 11]. It employs dynamic analysis and the cawk-Emulator to unpack .NET binaries, making them readable for analysis when standard tools like de4dot fail [1, 5, 13]. For more information, visit the ConfuserEx-Unpacker-2 GitHub repository.
What it is
ConfuserEx-Unpacker-2 is a tool/approach for unpacking .NET assemblies protected with ConfuserEx (a .NET obfuscator/packer). The goal is to recover a runnable, deobfuscated assembly or extract original IL, resources, and metadata. confuserex-unpacker-2
ConfuserEx-Unpacker-2 differentiates itself by using Instruction Emulation. Instead of just running the program, it acts like a virtual CPU, simulating the execution of the protection code. This allows it to: Human-readable strings (not byte arrays)
Legal/ethical reminder
Only analyze binaries you have permission to work on. developed by KoiHook
Enter confuserex-unpacker-2. This tool has gained legendary status in the reverse engineering community. Unlike generic deobfuscators that rely on static pattern matching, confuserex-unpacker-2 employs dynamic execution and control flow graph analysis to strip away layers of confusion.
- Human-readable strings (not byte arrays).
- Plausible method names (or at least incremental ones like
smethod_0, which is far better than Unicode garbage). - Standard
if/whileflow instead of massiveswitchdispatchers.