Unusual Denied Traffic Activity on Sophos
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About the rule
Rule Type
Anomaly
Rule Description
Monitors abnormal denied traffic patterns in Sophos firewalls.
Severity
Attention
Rule Requirement
Criteria
Action1:
actionname = "Denied traffic"
| 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)
| isanomalous(User with unusual Log source)
select Action1.HOSTNAME,Action1.USERNAME,Action1.SOURCE_IP,Action1.DEST_IP,Action1.DEST_PORT,Action1.DEST_INTERFACE,Action1.SOURCE_PORT,Action1.SOURCE_INTERFACE,Action1.PROTOCOL_TR,Action1.DEST_COUNTRY,Action1.MESSAGE
Detection
Execution Mode
Intelligent
Log Sources
Sophos
