Possible DC Shadow Attack

Last updated on:

About the rule

Rule Type

Standard

Rule Description

Detects DCShadow via create new SPN

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Object Changed or Network Share Accessed" AND SERVICEPRINCIPALNAME contains "GC/" OR (DISPLAYNAME = "servicePrincipalName" AND CHANGES startswith "GC/") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.TARGETDOMAIN,Action1.TARGETMACHINE,Action1.RELATIVETARGETNAME,Action1.SHARENAME,Action1.SHAREPATH,Action1.OBJECTTYPE,Action1.OBJECTNAME,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Active Directory

Author

Ilyas Ochkov, oscd.community, Chakib Gzenayi (@Chak092), Hosni Mribah