Excessive VPN Logon Failure
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About the rule
Rule Type
Standard
Rule Description
VPN Excessive Logon failures
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "Excessive VPN Logon Failure"
| timewindow 2m
| groupby USERNAME having COUNT >= 5
select Action1.timewindow.MESSAGE,Action1.timewindow.HOSTTYPE,Action1.timewindow.HOSTNAME,Action1.timewindow.SOURCE_IP,Action1.timewindow.USERNAME,Action1.timewindow.REMOTEIP,Action1.timewindow.REASON
Detection
Execution Mode
realtime
Log Sources
Miscellaneous
