AD Groups Or Users Enumeration Using PowerShell - ScriptBlock
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About the rule
Rule Type
Standard
Rule Description
Adversaries may attempt to find domain-level groups and permission settings. The knowledge of domain-level permission groups can help adversaries determine which groups exist and which users belong to a particular group. Adversaries may use this information to determine which users have elevated permissions, such as domain administrators.
Severity
Attention
Rule Requirement
Criteria
Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "get-ADPrincipalGroupMembership" OR (SCRIPTEXECUTED contains "get-aduser" AND SCRIPTEXECUTED contains "-f " AND SCRIPTEXECUTED contains "-pr " AND SCRIPTEXECUTED contains "DoesNotRequirePreAuth") select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED
Detection
Execution Mode
realtime
Log Sources
Active Directory
Author
frack113
