Regsvr32 exploitation

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About the rule

Rule Type

Standard

Rule Description

This rule detects the exploitation where regsvr32.exe is used for proxy execution of malicious code.

Severity

Critical

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (COMMANDLINE contains "scrobj.dll" AND (COMMANDLINE contains "regsvr32" OR ORIGINALFILENAME contains "regsvr32")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows