Disable System Firewall
Detects disabling of system firewalls which could be used by adversaries to bypass controls that limit usage of the network.
Detection logic
selection
type: SERVICE_STOP
unit:
- firewalld
- iptables
- ufwCondition
selectionRaw YAML
title: Disable System Firewall
id: 53059bc0-1472-438b-956a-7508a94a91f0
status: test
description: Detects disabling of system firewalls which could be used by adversaries to bypass controls that limit usage of the network.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md
- https://firewalld.org/documentation/man-pages/firewall-cmd.html
author: 'Pawel Mazur'
date: 2022-01-22
tags:
- attack.defense-impairment
- attack.t1686
logsource:
product: linux
service: auditd
detection:
selection:
type: 'SERVICE_STOP'
unit:
- 'firewalld'
- 'iptables'
- 'ufw'
condition: selection
falsepositives:
- Admin activity
level: highFalse positives
- Admin activity