WMIC Loading Scripting Libraries

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About the rule

Rule Type

Standard

Rule Description

Detects threat actors proxy executing code and bypassing application controls by leveraging wmic and the `/FORMAT` argument switch to download and execute an XSL file (i.e js, vbs, etc).

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "sa_imageloaded" AND PROCESSNAME endswith "\wmic.exe" AND OBJECTNAME endswith "\jscript.dll,\vbscript.dll" select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.PRODUCT_NAME,Action1.OBJECTNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)