sigmamediumHunting

Windows Firewall Profile Disabled

Detects when a user disables the Windows Firewall via a Profile to help evade defense.

MITRE ATT&CK

defense-evasion

Detection Query

selection_args:
  ScriptBlockText|contains|all:
    - "Set-NetFirewallProfile "
    - " -Enabled "
    - " False"
selection_opt:
  ScriptBlockText|contains:
    - " -All "
    - Public
    - Domain
    - Private
condition: all of selection*

Author

Austin Songer @austinsonger

Created

2021-10-12

Data Sources

windowsps_script

Platforms

windows

References

Tags

attack.defense-evasionattack.t1562.004

Raw Content

title: Windows Firewall Profile Disabled
id: 488b44e7-3781-4a71-888d-c95abfacf44d
related:
    - id: 12f6b752-042d-483e-bf9c-915a6d06ad75
      type: similar
status: test
description: Detects when a user disables the Windows Firewall via a Profile to help evade defense.
references:
    - 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: Austin Songer @austinsonger
date: 2021-10-12
modified: 2022-12-30
tags:
    - attack.defense-evasion
    - attack.t1562.004
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