Unauthorized Stream Exploit

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About the rule

Rule Type

Standard

Rule Description

This rule detects unauthorized stream exploits characteried by access and tampering with data streams, often used maliciously for eavesdropping or data theft.

Severity

Critical

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ((PROCESSNAME endswith "wscript.exe" OR PROCESSNAME endswith "wmic.exe" OR PROCESSNAME endswith "rundll32.exe" OR PROCESSNAME endswith "regedit.exe" OR PROCESSNAME endswith "mshta.exe" OR PROCESSNAME endswith "mavinject.exe" OR PROCESSNAME endswith "forfiles.exe" OR PROCESSNAME endswith "control.exe" OR PROCESSNAME endswith "cscript.exe" OR ORIGINALFILENAME contains "wscript" OR ORIGINALFILENAME contains "wmic" OR ORIGINALFILENAME contains "rundll32" OR ORIGINALFILENAME contains "regedit" OR ORIGINALFILENAME contains "mshta" OR ORIGINALFILENAME contains "mavinject" OR ORIGINALFILENAME contains "forfiles" OR ORIGINALFILENAME contains "control" OR ORIGINALFILENAME contains "cscript") AND FILE_NAME contains ".") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows