SCM Database Handle Failure — Sigma Rule

Rule metadata and linked tags

Author: Roberto Rodriguez @Cyb3rWard0g. Source status: test; severity: medium. Source dates: 2019-08-12 / 2022-07-11.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 208cc7469a4ced54820da597fe858ddcc9084e1b64fa912e01444a34e2a1ae2b

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: SCM Database Handle Failure
id: 13addce7-47b2-4ca0-a98f-1de964d1d669
status: test
description: Detects non-system users failing to get a handle of the SCM database.
references:
    - https://threathunterplaybook.com/hunts/windows/190826-RemoteSCMHandle/notebook.html
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019-08-12
modified: 2022-07-11
tags:
    - attack.discovery
    - attack.t1010
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4656
        ObjectType: 'SC_MANAGER OBJECT'
        ObjectName: 'ServicesActive'
        AccessMask: '0xf003f'  # is used in the reference; otherwise too many FPs
        # Keywords: 'Audit Failure' <-> in the ref 'Keywords':-9214364837600034816
    filter:
        SubjectLogonId: '0x3e4'
    condition: selection and not filter
falsepositives:
    - Unknown
# triggering on many hosts in some environments
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://threathunterplaybook.com/hunts/windows/190826-RemoteSCMHandle/notebook.html