Built-in guest account privilege escalation
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About the rule
Rule Type
Advanced
Rule Description
Built-in guest account privilege escalation
Severity
Critical
Rule Requirement
Criteria
Action1: actionname = "Successful Network Guest Logon" Action2: actionname = "null" AND LOGONID = Action1.LOGONID Action3: actionname = "null" AND LOGONID = Action1.LOGONID AND LOGONID = Action2.LOGONID sequence:Action1 followedby Action2 within 60m followedby Action3 within 60m select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.REMOTEHOST,Action1.REMOTEIP,Action1.USERNAME,Action1.DOMAIN,Action1.NETWORKACCOUNTDOMAIN,Action1.NETWORKACCOUNTNAME,,
Detection
Execution Mode
realtime
Log Sources
Windows
