Hayabusa medium test sigma

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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Detection Logic

{
  "registry_set": {
    "EventID": 13,
    "Channel": "Microsoft-Windows-Sysmon/Operational"
  },
  "selection": {
    "TargetObject
| contains": "\\Services\\SharedAccess\\Parameters\\FirewallPolicy\\",
    "TargetObject
| endswith": "\\EnableFirewall",
    "Details": "DWORD (0x00000000)"
  },
  "condition": "registry_set and selection"
}

False Positives

  • ⚠ Unknown

Field Validations

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