Sigma rule: DNS HybridConnectionManager Service Bus

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-e256fd74aded, updated 2023-01-16T00:00:00.000Z.

Rule

Title
DNS HybridConnectionManager Service Bus
Status
test
Level
high
Author
Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
Date
2021-04-12
Modified
2023-01-16
File
rules/windows/dns_query/dns_query_win_hybridconnectionmgr_servicebus.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects Azure Hybrid Connection Manager services querying the Azure service bus service

Log source

product
windows
category
dns_query

Detection

selection:
    QueryName|contains: 'servicebus.windows.net'
    Image|contains: 'HybridConnectionManager'
condition: selection

False positives (as the rule lists them)

  • Legitimate use of Azure Hybrid Connection Manager and the Azure Service Bus service

Tags

  • attack.persistence
  • attack.t1554

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/dns_query/dns_query_win_hybridconnectionmgr_servicebus.yml

Sources and licences

  • SigmaHQ

    "DNS HybridConnectionManager Service Bus" by Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/dns_query/dns_query_win_hybridconnectionmgr_servicebus.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: DNS HybridConnectionManager Service Bus",
entity page, dataset version ref-e256fd74aded, updated 2023-01-16T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/7bd3902d-8b8b-4dd4-838a-c6862d40150d (accessed 2026-11-03).
Underlying source: SigmaHQ rule 7bd3902d-8b8b-4dd4-838a-c6862d40150d, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.