HybridConnectionManager Service Installation - Registry — Sigma Rule

Rule metadata and linked tags

Author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research). Source status: test; severity: high. Source dates: 2021-04-12 / 2022-11-27.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 2c0d2351387af74992686341859c5819a5f239f3b7d66a6134bff31e898a4011

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: HybridConnectionManager Service Installation - Registry
id: ac8866c7-ce44-46fd-8c17-b24acff96ca8
status: test
description: Detects the installation of the Azure Hybrid Connection Manager service to allow remote code execution from Azure function.
references:
    - https://twitter.com/Cyb3rWard0g/status/1381642789369286662
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2021-04-12
modified: 2022-11-27
tags:
    - attack.resource-development
    - attack.t1608
logsource:
    category: registry_event
    product: windows
detection:
    selection1:
        TargetObject|contains: '\Services\HybridConnectionManager'
    selection2:
        EventType: SetValue
        Details|contains: 'Microsoft.HybridConnectionManager.Listener.exe'
    condition: selection1 or selection2
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://twitter.com/Cyb3rWard0g/status/1381642789369286662