Suspicious Certificate Exported Through Certutil.EXE (via process_creation)

title: Suspicious Certificate Exported Through Certutil.EXE (via process_creation)
id: 6ac54181-acbd-5151-ad8d-66ec5b94f790
status: stable
description: This rule detects the execution of the certutil with the "exportPFX" flag which enables the utility to export certificates.
references:
    - https://attack.mitre.org/techniques/T1027/
    - https://www.splunk.com/en_us/blog/security/a-golden-saml-journey-solarwinds-continued.html
author: Huntrule Team
date: 2026-06-28
tags:
    - attack.stealth
    - attack.t1027
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\certutil.exe'
        - OriginalFileName: 'CertUtil.exe'
    selection_cli:
        CommandLine|contains|windash: '-exportPFX '
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_certutil_export_pfx/info.yml