Suspicious DNS Query Indicating Kerberos Coercion via DNS Object SPN Spoofing
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About the rule
Rule Type
Standard
Rule Description
Detects DNS queries with Kerberos coercion SPN spoofing patterns (UWhRCA+BAAAA) used in RBCD and credential relay attacks.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "DNS Query Executed" AND ( QUERY contains "UWhRCA" AND QUERY contains "BAAAA" )
select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.QUERY,Action1.STATUSCODE,Action1.RESULT
Detection
Execution Mode
realtime
Log Sources
Windows
Author
@Swachchhanda Shrawan Poudel (Nextron Systems)
