
title: DNS HybridConnectionManager Service Bus
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2021/04/12
description: Detects Azure Hybrid Connection Manager services querying the Azure service
  bus service
detection:
  SELECTION_1:
    EventID: 22
  SELECTION_2:
    QueryName: '*servicebus.windows.net*'
  SELECTION_3:
    Image: '*HybridConnectionManager*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- Legitimate use of Azure Hybrid Connection Manager and the Azure Service Bus service
id: 7bd3902d-8b8b-4dd4-838a-c6862d40150d
level: high
logsource:
  category: dns_query
  product: windows
modified: 2021/06/10
references:
- https://twitter.com/Cyb3rWard0g/status/1381642789369286662
status: experimental
tags:
- attack.persistence
- attack.t1554
ruletype: SIGMA
