Suspicious Firewall Disabled through Netsh.EXE (via process_creation)

title: Suspicious Firewall Disabled through Netsh.EXE (via process_creation)
id: 1822c286-38ad-5cc1-9f89-daefc41bdc67
status: stable
description: This rule detects netsh commands that turns off the Windows firewall
references:
    - https://attack.mitre.org/techniques/T1686/003/
    - https://www.winhelponline.com/blog/enable-and-disable-windows-firewall-quickly-using-command-line/
    - https://app.any.run/tasks/210244b9-0b6b-4a2c-83a3-04bd3175d017/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md#atomic-test-1---disable-microsoft-defender-firewall
author: Huntrule Team
date: 2026-02-14
tags:
    - attack.defense-impairment
    - attack.t1686.003
    - attack.s0108
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\netsh.exe'
        - OriginalFileName: 'netsh.exe'
    selection_cli_1:
        CommandLine|contains|all:
            - 'firewall'
            - 'set'
            - 'opmode'
            - 'disable'
    selection_cli_2:
        CommandLine|contains|all:
            - 'advfirewall'
            - 'set'
            - 'state'
            - 'off'
    condition: selection_img and 1 of selection_cli_*
falsepositives:
    - Unknown
level: medium