Disable Microsoft Defender Firewall via Registry

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

Sigma rule (View on GitHub)

 1title: Disable Microsoft Defender Firewall via Registry
 2id: 974515da-6cc5-4c95-ae65-f97f9150ec7f
 3status: test
 4description: Adversaries may disable or modify system firewalls in order to bypass controls limiting network usage
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md#atomic-test-2---disable-microsoft-defender-firewall-via-registry
 7author: frack113
 8date: 2022-01-09
 9modified: 2024-03-25
10tags:
11    - attack.defense-evasion
12    - attack.t1562.004
13logsource:
14    category: registry_set
15    product: windows
16detection:
17    selection:
18        # HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall
19        # HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall
20        # HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall
21        TargetObject|contains: '\Services\SharedAccess\Parameters\FirewallPolicy\'
22        TargetObject|endswith: '\EnableFirewall'
23        Details: 'DWORD (0x00000000)'
24    condition: selection
25falsepositives:
26    - Unknown
27level: medium

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