CodeIntegrity - Disallowed File For Protected Processes Has Been Blocked

calendar Aug 12, 2024 · attack.privilege-escalation  ·
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Detects block events for files that are disallowed by code integrity for protected processes

Sigma rule (View on GitHub)

 1title: CodeIntegrity - Disallowed File For Protected Processes Has Been Blocked
 2id: 5daf11c3-022b-4969-adb9-365e6c078c7c
 3status: test
 4description: Detects block events for files that are disallowed by code integrity for protected processes
 5references:
 6    - https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-id-explanations
 7    - https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-tag-explanations
 8    - Internal Research
 9author: Nasreddine Bencherchali (Nextron Systems)
10date: 2023-06-06
11tags:
12    - attack.privilege-escalation
13logsource:
14    product: windows
15    service: codeintegrity-operational
16detection:
17    selection:
18        EventID: 3104 # Windows blocked file %2 which has been disallowed for protected processes.
19    condition: selection
20falsepositives:
21    - Unlikely
22level: high

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