Sigma rule: CodeIntegrity - Unsigned Kernel Module Loaded

Rule

Title

CodeIntegrity - Unsigned Kernel Module Loaded

Status

test

Level

high

Author

Nasreddine Bencherchali (Nextron Systems)

Date

2023-06-06

File

rules/windows/builtin/code_integrity/win_codeintegrity_unsigned_driver_loaded.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the presence of a loaded unsigned kernel module on the system.

Log source

product

windows

service

codeintegrity-operational

Detection

selection:
    EventID: 3001 # Code Integrity determined an unsigned kernel module %2 is loaded into the system. Check with the publisher to see if a signed version of the kernel module is available
condition: selection

False positives (as the rule lists them)

• Unlikely

Tags

• attack.privilege-escalation

References

• https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-id-explanations
• https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-tag-explanations
• Internal Research

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/code_integrity/win_codeintegrity_unsigned_driver_loaded.yml