Elastic medium stable kql

Azure Diagnostic Settings Deleted

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.

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Detection Logic

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

False Positives

⚠ Deletion of diagnostic settings may be done by a system or network administrator. Verify whether the username, hostname, and/or resource name should be making changes in your environment. Diagnostic settings deletion from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.

Field Validations

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