Detection rules › Sigma

Disable Microsoft Defender Firewall via Registry

Severity
medium
Author
frack113
Source
upstream

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

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1562.004 Impair Defenses: Disable or Modify System Firewall

Event coverage

ProviderEvent IDTitle
Sysmon13RegistryEvent (Value Set)

Stages and Predicates

Stage 1: selection

Details: 'DWORD (0x00000000)'
TargetObject|endswith: '\EnableFirewall'
TargetObject|contains: '\Services\SharedAccess\Parameters\FirewallPolicy\'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Detailseq
  • DWORD (0x00000000) corpus 38 (sigma 38)
TargetObjectends_with
  • \EnableFirewall
TargetObjectmatch
  • \Services\SharedAccess\Parameters\FirewallPolicy\