All Rules Have Been Deleted From The Windows Firewall Configuration — Sigma Rule

Rule metadata and linked tags

Author: frack113, Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: high. Source dates: 2023-01-17 / 2024-01-22.

{
  "product": "windows",
  "service": "firewall-as"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 2811c383d4904681fdaceb0c6c1b47f094ff981473e7081e001bf8ec7a27435d

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: All Rules Have Been Deleted From The Windows Firewall Configuration
id: 79609c82-a488-426e-abcf-9f341a39365d
status: test
description: Detects when a all the rules have been deleted from the Windows Defender Firewall configuration
references:
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)
author: frack113, Nasreddine Bencherchali (Nextron Systems)
date: 2023-01-17
modified: 2024-01-22
tags:
    - attack.defense-impairment
    - attack.t1686.003
logsource:
    product: windows
    service: firewall-as
detection:
    selection:
        EventID:
            - 2033 # All rules have been deleted from the Windows Defender Firewall configuration on this computer
            - 2059 # All rules have been deleted from the Windows Defender Firewall configuration on this computer. (Windows 11)
    filter_main_svchost:
        ModifyingApplication|endswith: ':\Windows\System32\svchost.exe'
    filter_optional_msmpeng:
        ModifyingApplication|contains|all:
            - ':\ProgramData\Microsoft\Windows Defender\Platform\'
            - '\MsMpEng.exe'
    condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
level: high

Original YAML and metadata in JSON

False positives

No reviewed association in this snapshot.

Source references

• https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)