SigmaHQ/rules/linux/lnx_security_tools_disabling.yml
2020-09-13 22:03:04 -06:00

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YAML

title: Disabling Security Tools
id: e3a8a052-111f-4606-9aee-f28ebeb76776
status: experimental
description: Detects disabling security tools
author: Ömer Günal
date: 2020/06/17
references:
- https://attack.mitre.org/techniques/T1089/
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1089/T1089.md
logsource:
product: linux
detection:
keywords:
- Command|contains:
- 'service iptables stop'
- 'chkconfig off iptables'
- 'service ip6tables stop'
- 'chkconfig off ip6tables'
- CarbonBlack|contains:
- 'service cbdaemon stop'
- 'chkconfig off cbdaemon'
- 'systemctl stop cbdaemon'
- 'systemctl disable cbdaemon'
- SELinux:
- 'setenforce 0'
- Crowdstrike|contains:
- 'systemctl stop falcon-sensor.service'
- 'systemctl disable falcon-sensor.service'
condition: keywords
falsepositives:
- Legitimate administration activities
level: medium
tags:
- attack.defense_evasion