IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [7.13] ›Detections and alerts ›Prebuilt rule reference

Azure Automation Webhook Created

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Azure Automation Webhook Created

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Identifies when an Azure Automation webhook is created. Azure Automation runbooks can be configured to execute via a webhook. A webhook uses a custom URL passed to Azure Automation along with a data payload specific to the runbook. An adversary may create a webhook in order to trigger a runbook that contains malicious code.

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: 5 (version history)

Added (Elastic Stack release): 7.10.0

Last modified (Elastic Stack release): 7.13.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

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Config

The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule query

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

Rule version history

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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/WEBHOOKS/ACTION or
MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/WEBHOOKS/WRITE) 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/WEBHOOKS/ACTION or
MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/WEBHOOKS/WRITE) and
event.outcome:Success
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