Azure Diagnostic Settings Deletion

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Identifies the deletion of diagnostic settings in Azure, which send platform logs and metrics to different destinations. An adversary may delete diagnostic settings in an attempt to evade defenses.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-azure*

Severity: medium

Risk score: 47

Runs every: 5m

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

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Cloud
  • Data Source: Azure
  • Tactic: Defense Evasion

Version: 102

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query

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event.dataset:azure.activitylogs and azure.activitylogs.operation_name:"MICROSOFT.INSIGHTS/DIAGNOSTICSETTINGS/DELETE" and event.outcome:(Success or success)

Framework: MITRE ATT&CKTM