IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Azure Network Watcher Deletion
editAzure Network Watcher Deletion
editIdentifies the deletion of a Network Watcher in Azure. Network Watchers are used to monitor, diagnose, view metrics, and enable or disable logs for resources in an Azure virtual network. An adversary may delete a Network Watcher 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
- Use Case: Network Security Monitoring
- Tactic: Defense Evasion
Version: 102
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editevent.dataset:azure.activitylogs and azure.activitylogs.operation_name:"MICROSOFT.NETWORK/NETWORKWATCHERS/DELETE" and event.outcome:(Success or success)
Framework: MITRE ATT&CKTM
-
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/