Invoke-Obfuscation Via Use MSHTA - PowerShell
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About the rule
Rule Type
Standard
Rule Description
Detects Obfuscated Powershell via use MSHTA in Scripts
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "set" AND SCRIPTEXECUTED contains "&&" AND SCRIPTEXECUTED contains "mshta" AND SCRIPTEXECUTED contains "vbscript:createobject" AND SCRIPTEXECUTED contains ".run" AND SCRIPTEXECUTED contains "(window.close)" select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nikita Nazarov, oscd.community
