SigmaHQ/rules/linux/lnx_clear_logs.yml

title: Clear Linux Logs
id: 80915f59-9b56-4616-9de0-fd0dea6c12fe
status: stable
description: Detects clear logs
author: Ömer Günal, oscd.community
date: 2020/10/07
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1070.002/T1070.002.md
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        Image|endswith:
            - '/rm'    # covers /rmdir as well
            - '/shred'
        CommandLine|contains:
            - '/var/log'
            - '/var/spool/mail'
    condition: selection
falsepositives:
    - Legitimate administration activities
level: medium
tags:
    - attack.defense_evasion
    - attack.t1070.002