CodeIntegrity - Blocked Image/Driver Load For Policy Violation

calendar Jun 9, 2023 · attack.privilege_escalation attack.t1543  ·
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Detects blocked load events that did not meet the authenticode signing level requirements or violated the code integrity policy.

Sigma rule (View on GitHub)

 1title: CodeIntegrity - Blocked Image/Driver Load For Policy Violation
 2id: e4be5675-4a53-426a-8c81-a8bb2387e947
 3status: experimental
 4description: Detects blocked load events that did not meet the authenticode signing level requirements or violated the code integrity policy.
 5references:
 6    - https://twitter.com/wdormann/status/1590434950335320065
 7    - https://github.com/MicrosoftDocs/windows-itpro-docs/blob/40fe118976734578f83e5e839b9c63ae7a4af82d/windows/security/threat-protection/windows-defender-application-control/event-id-explanations.md#windows-codeintegrity-operational-log
 8    - https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/event-id-explanations
 9author: Nasreddine Bencherchali (Nextron Systems)
10date: 2022/11/10
11modified: 2023/06/07
12tags:
13    - attack.privilege_escalation
14    - attack.t1543
15logsource:
16    product: windows
17    service: codeintegrity-operational
18detection:
19    selection:
20        EventID: 3077 # Code Integrity determined that a process (%4) attempted to load %2 that did not meet the %5 signing level requirements or violated code integrity policy (Policy ID:%XX).
21    condition: selection
22falsepositives:
23    - Unknown
24level: high

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