Excessive file removal
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About the rule
Rule Type
Standard
Rule Description
Multiple files are deleted by the same user within a short timeframe.
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "File deleted"
| timewindow 2m
| groupby HOSTNAME
| groupby USERNAME having COUNT >= 15
select Action1.timewindow.HOSTNAME,Action1.timewindow.MESSAGE,Action1.timewindow.USERNAME,Action1.timewindow.DOMAIN,Action1.timewindow.PROCESSNAME,Action1.timewindow.ACCESSLIST,Action1.timewindow.OBJECTNAME,Action1.timewindow.FILENAME,Action1.timewindow.FILETYPE
Detection
Execution Mode
realtime
Log Sources
Windows
