Modifying Crontab

Title: Modifying Crontab
Status: test
Description:Detects suspicious modification of crontab file.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1053.003/T1053.003.md
Author: Pawel Mazur
Date: 2022-04-16
modified:None
Tags:

• -'attack.privilege-escalation'
• -'attack.execution'
• -'attack.persistence'
• -'attack.t1053.003'

Logsource:

• product: linux
• service: cron

Detection:
  keywords:
    - 'REPLACE'
  condition:keywords
Falsepositives:
  -Legitimate modification of crontab
Level: medium