Microsoft Office Process Launching PowerShell Interpreter
Last updated on:
In this page
About the rule
Rule Type
Standard
Rule Description
Detects Microsoft Office applications (Word, Excel, PowerPoint, Outlook, etc.) spawning PowerShell, which may indicate malicious macro execution or document-based code execution.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (PARENTPROCESSNAME endswith "\winword.exe,\excel.exe,\powerpnt.exe,\outlook.exe,\onenote.exe" AND PROCESSNAME endswith "\powershell.exe,\pwsh.exe,\powershell_ise.exe,\pwsh-preview.exe")
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
