Unauthorized SonicWall Firewall Rule Deletion Detected
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About the rule
Rule Type
Anomaly
Rule Description
Alerts on deletion of firewall rules by unapproved users in SonicWall.
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "Rule deleted"
| isanomalous(User at an unusual Time)
| isanomalous(User with abnormal Count)
| isanomalous(Log source at an unusual Time)
| isanomalous(Log source with abnormal Count)
| isanomalous(Log source with unusual Username)
select Action1.HOSTNAME,Action1.USERNAME,Action1.SOURCE_IP,Action1.MESSAGE
Detection
Execution Mode
Intelligent
Log Sources
SonicWall
