Windows Firewall Settings Have Been Changed

calendar Aug 28, 2023 · attack.defense_evasion attack.t1562.004  ·
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Detects activity when the settings of the Windows firewall have been changed

Sigma rule (View on GitHub)

 1title: Windows Firewall Settings Have Been Changed
 2id: 00bb5bd5-1379-4fcf-a965-a5b6f7478064
 3status: experimental
 4description: Detects activity when the settings of the Windows firewall have been changed
 5references:
 6    - https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)
 7author: frack113, Nasreddine Bencherchali (Nextron Systems)
 8date: 2022/02/19
 9modified: 2023/04/21
10tags:
11    - attack.defense_evasion
12    - attack.t1562.004
13logsource:
14    product: windows
15    service: firewall-as
16detection:
17    selection:
18        EventID:
19            - 2002 # A Windows Defender Firewall setting has changed.
20            - 2083 # A Windows Defender Firewall setting has changed. (Windows 11)
21            - 2003 # A Windows Firewall setting in the profile has changed
22            - 2082 # A Windows Defender Firewall setting in the %1 profile has changed. (Windows 11)
23            - 2008  # Windows Firewall Group Policy settings have changed. The new settings have been applied
24            # - 2010  # Network profile changed on an interface.
25    condition: selection
26level: low

References

  • Firewall Rule Processing

    2002 Microsoft-Windows-Windows Firewall with Advanced Security A Windows Firewall setting has changed. New Setting: %tType:%t%1 %tValue:%t%4 %tModifying User:%t%6 %tModifying Application:%t%7 2003 ...


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