HybridConnectionManager Service Running

Description

Rule to detect the Hybrid Connection Manager service running on an endpoint.

Query · sigma

selection:
  EventID:
  - 40300
  - 40301
  - 40302
keywords:
- HybridConnection
- sb://
- servicebus.windows.net
- HybridConnectionManage
condition: selection and keywords

Known false positives

  • Legitimate use of Hybrid Connection Manager via Azure function apps.
Raw source HybridConnectionManager Service Running · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: HybridConnectionManager Service Running
id: b55d23e5-6821-44ff-8a6e-67218891e49f
status: test
description: Rule to detect the Hybrid Connection Manager service running on an endpoint.
references:
    - https://twitter.com/Cyb3rWard0g/status/1381642789369286662
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2021-04-12
modified: 2024-08-05
tags:
    - attack.persistence
    - attack.t1554
logsource:
    product: windows
    service: microsoft-servicebus-client # Change to servicebus-client once validators are up to date
detection:
    selection:
        EventID:
            - 40300
            - 40301
            - 40302
    keywords:
        - 'HybridConnection'
        - 'sb://'
        - 'servicebus.windows.net'
        - 'HybridConnectionManage'
    condition: selection and keywords
falsepositives:
    - Legitimate use of Hybrid Connection Manager via Azure function apps.
level: high

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