DNS HybridConnectionManager Service Bus

 Original Source: [Sigma source]
Title: DNS HybridConnectionManager Service Bus
Status: test
Description:Detects Azure Hybrid Connection Manager services querying the Azure service bus service
References:
  -https://twitter.com/Cyb3rWard0g/status/1381642789369286662
Author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
Date: 2021-04-12
modified:2023-01-16
Tags:
  • -'attack.persistence'
  • -'attack.t1554'
Logsource:
  • product: windows
  • category: dns_query
Detection:
  selection:
    QueryName|contains: 'servicebus.windows.net'
    Image|contains: 'HybridConnectionManager'
  condition:selection
Falsepositives:
  -Legitimate use of Azure Hybrid Connection Manager and the Azure Service Bus service
Level: high