User Added To Highly Privileged Group
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About the rule
Rule Type
Standard
Rule Description
Detects addition of users to highly privileged groups via "Net" or "Add-LocalGroupMember".
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND ((COMMANDLINE contains "localgroup " AND COMMANDLINE contains " /add") OR (COMMANDLINE contains "Add-LocalGroupMember " AND COMMANDLINE contains " -Group ")) AND COMMANDLINE contains "Group Policy Creator Owners,Schema Admins" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
