File Deletion

 Original Source: [Sigma source]
Title: File Deletion
Status: stable
Description:Detects file deletion using "rm", "shred" or "unlink" commands which are used often by adversaries to delete files left behind by the actions of their intrusion activity
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1070.004/T1070.004.md
Author: Ömer Günal, oscd.community
Date: 2020-10-07
modified:2022-09-15
Tags:
  • -'attack.stealth'
  • -'attack.t1070.004'
Logsource:
  • product: linux
  • category: process_creation
Detection:
  selection:
    Image|endswith:
      -'/rm'
      -'/shred'
      -'/unlink'

  condition:selection
Falsepositives:
  -Legitimate administration activities
Level: informational