Possible Failed Code Integrity Checks (via security)

title: Possible Failed Code Integrity Checks (via security)
id: 4ed5b08a-3bb9-52fd-8278-c0ed32525539
status: stable
description: This rule detects code integrity failures such as missing page hashes or corrupted drivers due unauthorized modification. This could be a sign of tampered binaries.
references:
    - https://attack.mitre.org/techniques/T1027/001/
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-5038
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-6281
author: Huntrule Team
date: 2026-04-26
tags:
    - attack.stealth
    - attack.t1027.001
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID:
            - 5038
            - 6281
    filter_optional_crowdstrike:
        param1|contains:
            - '\CSFalconServiceUninstallTool_'
            - '\Program Files\CrowdStrike\'
            - '\System32\drivers\CrowdStrike\'
            - '\Windows\System32\ScriptControl64_'
    filter_optional_sophos:
        param1|contains: '\Program Files\Sophos\'
    condition: selection and not 1 of filter_optional_*
falsepositives:
    - Unknown
level: informational