PowerShell Script Change Permission Via Set-Acl
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About the rule
Rule Type
Standard
Rule Description
Detects PowerShell execution to set the ACL of a file or a folder
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (ORIGINALFILENAME = "PowerShell.EXE,pwsh.dll" OR PROCESSNAME endswith "\powershell.exe,\pwsh.exe") AND (COMMANDLINE contains "Set-Acl " AND COMMANDLINE contains "-AclObject " AND COMMANDLINE contains "-Path ")
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
Author
Nasreddine Bencherchali (Nextron Systems)
