Azure Automation Runbook Deletededit

Identifies when an Azure Automation runbook is deleted. An adversary may delete an Azure Automation runbook in order to disrupt their target’s automated business operations or to remove a malicious runbook for defense evasion.

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
  • Defense Evasion

Version: 7 (version history)

Added (Elastic Stack release): 7.10.0

Last modified (Elastic Stack release): 8.4.0

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/DELETE" and
event.outcome:(Success or success)

Threat mappingedit

Framework: MITRE ATT&CKTM

Rule version historyedit

Version 7 (8.4.0 release)
  • Updated query, changed from:

    event.dataset:azure.activitylogs and azure.activitylogs.operation_name
    :"MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/DELETE" and
    event.outcome:(Success or success)
Version 5 (7.13.0 release)
  • Formatting only
Version 4 (7.12.0 release)
  • Updated query, changed from:

    event.dataset:azure.activitylogs and azure.activitylogs.operation_name
    :MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/RUNBOOKS/DELETE 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/DELETE and
    event.outcome:Success