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Detectionmediumtest

Disable Microsoft Defender Firewall via Registry

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

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François HubautCreated Sun Jan 09Updated Mon Mar 25974515da-6cc5-4c95-ae65-f97f9150ec7fwindows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic1 selector
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
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
1
Resolving title…
github.com
Testing & Validation

Simulations

atomic-red-teamT1562.004
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Disable Microsoft Defender Firewall via Registry

GUID: afedc8c4-038c-4d82-b3e5-623a95f8a612

Regression Tests

by SigmaHQ Team
Positive Detection Test1 matchevtx

Microsoft-Windows-Sysmon

EVTX JSON
MITRE ATT&CK
Rule Metadata
Rule ID
974515da-6cc5-4c95-ae65-f97f9150ec7f
Status
test
Level
medium
Type
Detection
Created
Sun Jan 09
Modified
Mon Mar 25
Author
François Hubaut
Path
rules/windows/registry/registry_set/registry_set_disable_defender_firewall.yml
Raw Tags
attack.defense-evasionattack.t1562.004
View on GitHub