Sigma rule: Windows Firewall Disabled via PowerShell

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-75cf894d3bcf, updated 2023-02-13T00:00:00.000Z.

Rule

Title
Windows Firewall Disabled via PowerShell
Status
test
Level
medium
Author
Tim Rauch, Elastic (idea)
Date
2022-09-14
Modified
2023-02-13
File
rules/windows/process_creation/proc_creation_win_powershell_disable_firewall.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects attempts to disable the Windows Firewall using PowerShell

Log source

product
windows
category
process_creation

Detection

selection_name:
    - Image|endswith:
          - '\powershell.exe'
          - '\pwsh.exe'
          - '\powershell_ise.exe'
    - OriginalFileName:
          - 'PowerShell.EXE'
          - 'pwsh.dll'
selection_args:
    CommandLine|contains|all:
        - 'Set-NetFirewallProfile '
        - ' -Enabled '
        - ' False'
selection_opt:
    CommandLine|contains:
        - ' -All '
        - 'Public'
        - 'Domain'
        - 'Private'
condition: all of selection_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.defense-impairment
  • attack.t1685

MITRE ATT&CK ids this rule names

Related rules

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_disable_firewall.yml

Sources and licences

  • SigmaHQ

    "Windows Firewall Disabled via PowerShell" by Tim Rauch, Elastic (idea) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_disable_firewall.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Windows Firewall Disabled via PowerShell",
entity page, dataset version ref-75cf894d3bcf, updated 2023-02-13T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/12f6b752-042d-483e-bf9c-915a6d06ad75 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 12f6b752-042d-483e-bf9c-915a6d06ad75, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.