Hidden Local User Creation
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About the rule
Rule Type
Standard
Rule Description
Detects the creation of a local hidden user account which should not happen for event ID 4720.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "User Created or Account Name Modified" AND TARGETUSER endswith "$" AND TARGETUSER != "HomeGroupUser$"
select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.TARGETUSER,Action1.TARGETDOMAIN,Action1.CHANGES,Action1.PREVVAL,Action1.DISPLAYNAME,Action1.LOGONHOURS,Action1.LOGONID,Action1.New_UAC_value,Action1.Old_UAC_value,Action1.SAMACCOUNTNAME,Action1.SECURITYID,Action1.USERPRINCIPALNAME
Detection
Execution Mode
realtime
Log Sources
Active Directory
Author
Christian Burkard (Nextron Systems)
