WMI Persistence - Security — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems), Gleb Sukhodolskiy, Timur Zinniatullin oscd.community. Source status: test; severity: medium. Source dates: 2017-08-22 / 2022-11-29.

{
  "product": "windows",
  "service": "security"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: c47d230c48b3482c4b7f996b81a978ff1e77df896df7dfe12f55f2087f2a22c7

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 Persistence - Security
id: f033f3f3-fd24-4995-97d8-a3bb17550a88
related:
    - id: 0b7889b4-5577-4521-a60a-3376ee7f9f7b
      type: derived
status: test
description: Detects suspicious WMI event filter and command line event consumer based on WMI and Security Logs.
references:
    - https://twitter.com/mattifestation/status/899646620148539397
    - https://www.eideon.com/2018-03-02-THL03-WMIBackdoors/
author: Florian Roth (Nextron Systems), Gleb Sukhodolskiy, Timur Zinniatullin oscd.community
date: 2017-08-22
modified: 2022-11-29
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1546.003
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4662
        ObjectType: 'WMI Namespace'
        ObjectName|contains: 'subscription'
    condition: selection
falsepositives:
    - Unknown (data set is too small; further testing needed)
level: medium

Original YAML and metadata in JSON

False positives

• Unknown (data set is too small; further testing needed)

Source references

• https://twitter.com/mattifestation/status/899646620148539397
• https://www.eideon.com/2018-03-02-THL03-WMIBackdoors/