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WMI Event Subscription — Sigma Rule

Sigma rule 0f06a3a5-6a09-413f-8743-e6cf35561297. WMI Event Subscription — Sigma Rule. Detects creation of WMI event subscription persistence method

Rule metadata and linked tags

Author: Tom Ueltschi (@c_APT_ure). Source status: test; severity: medium. Source dates: 2019-01-12 / 2021-11-27.

{
  "product": "windows",
  "category": "wmi_event"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: afe8ac682c5d80d707e38a82fdb0e2a96b9db25a3d9c2b6f0fb9726a9bf26e42

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: WMI Event Subscription
id: 0f06a3a5-6a09-413f-8743-e6cf35561297
status: test
description: Detects creation of WMI event subscription persistence method
references:
    - 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: Tom Ueltschi (@c_APT_ure)
date: 2019-01-12
modified: 2021-11-27
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1546.003
logsource:
    product: windows
    category: wmi_event
detection:
    selection:
        EventID:
            - 19
            - 20
            - 21
    condition: selection
falsepositives:
    - Exclude legitimate (vetted) use of WMI event subscription in your network
level: medium

Original YAML and metadata in JSON

False positives

  • Exclude legitimate (vetted) use of WMI event subscription in your network

Source references

Connected ecosystem references

Exact source-tagged techniques

Telemetry review

Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.

Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.