Excessive file removal

Last updated on:

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