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Detection rules › Sigma

CodeIntegrity - Blocked Image Load With Revoked Certificate

Status
test
Severity
high
Log source
product windows, service codeintegrity-operational
Author
Nasreddine Bencherchali (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects blocked image load events with revoked certificates by code integrity.

MITRE ATT&CK coverage

TacticTechniques
Privilege EscalationNo specific technique

Event coverage

ProviderEventTitle
CodeIntegrityEvent ID 3036Windows is unable to verify the integrity of the file FileNameBuffer because the signing certificate has been revoked.

Rule body yaml

title: CodeIntegrity - Blocked Image Load With Revoked Certificate
id: 6f156c48-3894-4952-baf0-16193e9067d2
status: test
description: Detects blocked image load events with revoked certificates by code integrity.
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
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-06-06
tags:
    - attack.privilege-escalation
logsource:
    product: windows
    service: codeintegrity-operational
detection:
    selection:
        EventID: 3036 # Windows is unable to verify the integrity of the file %2 because the signing certificate has been revoked.  Check with the publisher to see if a new signed version of the kernel module is available.
    condition: selection
falsepositives:
    - Unlikely
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 3036