Didier Stevens

Thursday 13 June 2019

New Tool: amsiscan.py

Filed under: Malware,My Software — Didier Stevens @ 0:00

amsiscan.py is a Python script that uses Windows 10’s AmsiScanBuffer function to scan input for malware.

It reads one or more files or stdin.

The AmsiScanBuffer function returns 5 possible values when it is called for a scan:

AMSI_RESULT_CLEAN
AMSI_RESULT_NOT_DETECTED
AMSI_RESULT_BLOCKED_BY_ADMIN_START
AMSI_RESULT_BLOCKED_BY_ADMIN_END
AMSI_RESULT_DETECTED

Example:

amsiscan_V0_0_1.zip (https)
MD5: 47E50599E0CFAF1D27416E68394289A0
SHA256: 044E41D7F31D8333CB5295FD6E430933CA67F9AC37CD400D38189C96AE48544D

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