Disabling Security Tools - Builtin — Sigma Rule

Rule metadata and linked tags

Author: Ömer Günal, Alejandro Ortuno, oscd.community. Source status: test; severity: medium. Source dates: 2020-06-17 / 2022-11-26.

{
  "product": "linux",
  "service": "syslog"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 98bd182838ebfff1398cbb287557f07cf070926ee5dfaee9a95b053ba915a8bb

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Disabling Security Tools - Builtin
id: 49f5dfc1-f92e-4d34-96fa-feba3f6acf36
related:
    - id: e3a8a052-111f-4606-9aee-f28ebeb76776
      type: derived
status: test
description: Detects disabling security tools
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md
author: Ömer Günal, Alejandro Ortuno, oscd.community
date: 2020-06-17
modified: 2022-11-26
tags:
    - attack.defense-impairment
    - attack.t1686
logsource:
    product: linux
    service: syslog
detection:
    keywords:
        - 'stopping iptables'
        - 'stopping ip6tables'
        - 'stopping firewalld'
        - 'stopping cbdaemon'
        - 'stopping falcon-sensor'
    condition: keywords
falsepositives:
    - Legitimate administration activities
level: medium

Original YAML and metadata in JSON

False positives

• Legitimate administration activities

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md