WINEKEY Registry Modification — Sigma Rule

Rule metadata and linked tags

Author: omkar72. Source status: test; severity: high. Source dates: 2020-10-30 / 2021-11-27.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 6858a0db0f1e226c8bb0f177da9511f55d29805df9a46fb10764391a97bd3aa2

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: WINEKEY Registry Modification
id: b98968aa-dbc0-4a9c-ac35-108363cbf8d5
status: test
description: Detects potential malicious modification of run keys by winekey or team9 backdoor
references:
    - https://www.fireeye.com/blog/threat-research/2020/10/kegtap-and-singlemalt-with-a-ransomware-chaser.html
author: omkar72
date: 2020-10-30
modified: 2021-11-27
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1547
logsource:
    category: registry_event
    product: windows
detection:
    selection:
        TargetObject|endswith: 'Software\Microsoft\Windows\CurrentVersion\Run\Backup Mgr'
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://www.fireeye.com/blog/threat-research/2020/10/kegtap-and-singlemalt-with-a-ransomware-chaser.html