Suspicious WMI Event Subscription (via wmi_event)

title: Suspicious WMI Event Subscription (via wmi_event)
id: 2f20cf8d-9482-5232-8254-1974c7c45b26
status: stable
description: This rule detects creation of WMI event subscription persistence method
references:
    - https://attack.mitre.org/techniques/T1546/003/
    - https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon#event-id-19-wmievent-wmieventfilter-activity-detected
    - https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon#event-id-20-wmievent-wmieventconsumer-activity-detected
    - https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon#event-id-21-wmievent-wmieventconsumertofilter-activity-detected
author: Huntrule Team
date: 2026-01-24
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1546.003
logsource:
    product: windows
    category: wmi_event
detection:
    selection:
        EventID:
            - 19
            - 20
            - 21
    condition: selection
falsepositives:
    - Unknown
level: medium