Search Evasion Techniques

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PyArmor Packers

Pyarmor is a command-line tool primarily used for the obfuscation of Python scripts. While its original design aims to protect Python code from unauthorized access and reverse engineering, its capabilities also make it a tool of interest for malware obfuscation. Pyarmor achieves this through several key features, each with potential applications in both legitimate protection and malicious exploitation:

VBA Purging Antivirus/EDR Evasion

VBA Purging is an obfuscation technique designed to evade detection mechanisms used in malware analysis. When a VBA macro is added to a Microsoft Office document, it is stored in two sections: the PerformanceCache (compiled VBA code) and the CompressedSourceCode (compressed VBA source code). In VBA Purging, the PerformanceCache (compiled code) is completely removed from the module stream, along with …