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Azure Automation Runbook Created or Modifiededit

Identifies when an Azure Automation runbook is created or modified. An adversary may create or modify an Azure Automation runbook to execute malicious code and maintain persistence in their target’s environment.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-azure*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-25m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Cloud
  • Azure
  • Continuous Monitoring
  • SecOps
  • Configuration Audit

Version: 101 (version history)

Added (Elastic Stack release): 7.10.0

Last modified (Elastic Stack release): 8.6.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guideedit












Rule queryedit






event.dataset:azure.activitylogs and
azure.activitylogs.operation_name: (
"MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/DRAFT/WRITE" or
"MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/WRITE" or
"MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/PUBLISH/ACTION" )
and event.outcome:(Success or success)











Rule version historyedit










Version 101 (8.6.0 release)








    

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Formatting only

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Version 100 (8.5.0 release)








    

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Version 7 (8.4.0 release)








    

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Version 5 (7.13.0 release)








    

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Version 4 (7.12.0 release)








    

  • 

    Updated query, changed from:
    

    

    event.dataset:azure.activitylogs and azure.activitylogs.operation_name
:(MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/DRAFT/WRITE or
MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/WRITE or
MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/PUBLISH/ACTION) and
event.outcome:(Success or success)
    

    

    • 









Version 3 (7.11.2 release)








    

  • 
Formatting only

    • 









Version 2 (7.11.0 release)








    

  • 

    Updated query, changed from:
    

    

    event.dataset:azure.activitylogs and azure.activitylogs.operation_name
:(MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/DRAFT/WRITE or
MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/WRITE or
MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/PUBLISH/ACTION) and
event.outcome:Success
    

    

    • 


















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