Powershell Store File In Alternate Data Stream
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About the rule
Rule Type
Standard
Rule Description
Storing files in Alternate Data Stream (ADS) similar to Astaroth malware.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "Start-Process" AND SCRIPTEXECUTED contains "-FilePath "$env:comspec" " AND SCRIPTEXECUTED contains "-ArgumentList " AND SCRIPTEXECUTED contains ">" select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113
