Nasreddine Bencherchali
598d29f811
chore: change tags, date, modified fields to comply with v2 of the Sigma spec. chore: update the related type from `obsoletes` to `obsolete`. chore: update local json schema to the latest version.
30 lines
1.5 KiB
YAML
30 lines
1.5 KiB
YAML
title: CodeIntegrity - Unmet WHQL Requirements For Loaded Kernel Module
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id: 2f8cd7a0-9d5a-4f62-9f8b-2c951aa0dd1f
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status: test
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description: Detects loaded kernel modules that did not meet the WHQL signing requirements.
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references:
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- https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-id-explanations
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- https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-tag-explanations
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- Internal Research
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author: Nasreddine Bencherchali (Nextron Systems)
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date: 2023-06-06
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modified: 2023-06-14
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tags:
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- attack.privilege-escalation
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logsource:
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product: windows
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service: codeintegrity-operational
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detection:
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selection:
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EventID:
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- 3082 # Code Integrity determined kernel module %2 that did not meet the WHQL requirements is loaded into the system. However, due to code integrity auditing policy, the image was allowed to load
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- 3083 # Code Integrity determined kernel module %2 that did not meet the WHQL requirements is loaded into the system. Check with the publisher to see if a WHQL compliant kernel module is available
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filter_optional_vmware:
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FileNameBuffer:
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- 'system32\drivers\vsock.sys'
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- 'System32\drivers\vmci.sys'
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condition: selection and not 1 of filter_optional_*
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falsepositives:
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- Unlikely
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level: high
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