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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Azure Resource Group Deletion

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Azure Resource Group Deletion

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Identifies the deletion of a resource group in Azure, which includes all resources within the group. Deletion is permanent and irreversible. An adversary may delete a resource group in an attempt to evade defenses or intentionally destroy data.

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:

https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/manage-resource-groups-portal

Tags:

Domain: Cloud
Data Source: Azure
Use Case: Log Auditing
Tactic: Impact

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

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/
Technique:
- Name: Data Destruction
- ID: T1485
- Reference URL: https://attack.mitre.org/techniques/T1485/
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/
Sub-technique:
- Name: Disable or Modify Tools
- ID: T1562.001
- Reference URL: https://attack.mitre.org/techniques/T1562/001/

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