Search Evasion Techniques
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VboxEnumShares Sandbox Evasion
This method represents a variation of the WNetGetProviderName(WNNC_NET_RDR2SAMPLE, ...) approach, which is typically employed to determine if the network share's provider name is specific, such as VirtualBox. Instead of relying on this well-established technique, we utilize WNetOpenEnum and WNetEnumResource functions to iterate through each network resource. The primary objective is to identify VirtualBox shared folders, which typically feature "VirtualBox" or …
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 …