Trail of Bits has open-sourced CoBRA, a highly effective tool designed to deobfuscate Mixed Boolean-Arithmetic (MBA) expressions commonly used by malware authors and software protectors. Available as a CLI tool, C++ library, and LLVM pass, CoBRA successfully simplifies nearly 100% of complex MBA expressions, significantly aiding reverse engineering and malware analysis efforts.
CoBRA
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Simplifying MBA obfuscation with CoBRA