Suspicious Disabling of Windows Firewall Profile (via ps_script)

title: Suspicious Disabling of Windows Firewall Profile (via ps_script)
id: a2669fee-43c3-5e0b-b652-0268875accb9
status: stable
description: This rule detects when a user disables the Windows Firewall via a Profile to help evade defense.
references:
    - https://attack.mitre.org/techniques/T1686/003/
    - https://learn.microsoft.com/en-us/powershell/module/netsecurity/set-netfirewallprofile?view=windowsserver2022-ps
    - https://www.tutorialspoint.com/how-to-get-windows-firewall-profile-settings-using-powershell
    - https://web.archive.org/web/20230929023836/http://powershellhelp.space/commands/set-netfirewallrule-psv5.php
    - http://woshub.com/manage-windows-firewall-powershell/
    - https://www.elastic.co/guide/en/security/current/windows-firewall-disabled-via-powershell.html
author: Huntrule Team
date: 2026-03-16
tags:
    - attack.defense-impairment
    - attack.t1686.003
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection_args:
        ScriptBlockText|contains|all:
            - 'Set-NetFirewallProfile '
            - ' -Enabled '
            - ' False'
    selection_opt:
        ScriptBlockText|contains:
            - ' -All '
            - 'Public'
            - 'Domain'
            - 'Private'
    condition: all of selection*
falsepositives:
    - Unknown
level: medium