Sigma rule: Disable Microsoft Defender Firewall via Registry

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-aeb22981d7ed, updated 2024-03-25T00:00:00.000Z.

Rule

Title: Disable Microsoft Defender Firewall via Registry
Status: test
Level: medium
Author: frack113
Date: 2022-01-09
Modified: 2024-03-25
File: rules/windows/registry/registry_set/registry_set_disable_defender_firewall.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Adversaries may disable or modify system firewalls in order to bypass controls limiting network usage

Log source

product: windows
category: registry_set

Detection

selection:
    # HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall
    # HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall
    # HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall
    TargetObject|contains: '\Services\SharedAccess\Parameters\FirewallPolicy\'
    TargetObject|endswith: '\EnableFirewall'
    Details: 'DWORD (0x00000000)'
condition: selection

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1686.003

References

https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md#atomic-test-2---disable-microsoft-defender-firewall-via-registry

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/registry/registry_set/registry_set_disable_defender_firewall.yml

Sources and licences

SigmaHQ
"Disable Microsoft Defender Firewall via Registry" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_disable_defender_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: Disable Microsoft Defender Firewall via Registry",
entity page, dataset version ref-aeb22981d7ed, updated 2024-03-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/974515da-6cc5-4c95-ae65-f97f9150ec7f (accessed 2026-11-03).
Underlying source: SigmaHQ rule 974515da-6cc5-4c95-ae65-f97f9150ec7f, 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.