Azure Virtual Network Device Modified or Deleted
Elastic Stack Serverless Security
Identifies when a virtual network device is modified or deleted. This can be a network virtual appliance, virtual hub, or virtual router.
Rule type: query
Rule indices:
- filebeat-*
- logs-azure*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-25m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- Azure
- Continuous Monitoring
- SecOps
- Network Security
Version: 2
Rule authors:
- Austin Songer
Rule license: Elastic License v2
The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
event.dataset:azure.activitylogs and azure.activitylogs.operation_name:("MICROSOFT.NETWORK/NETWORKINTERFACES/TAPCONFIGURATIONS/WRITE" or
"MICROSOFT.NETWORK/NETWORKINTERFACES/TAPCONFIGURATIONS/DELETE" or "MICROSOFT.NETWORK/NETWORKINTERFACES/WRITE" or
"MICROSOFT.NETWORK/NETWORKINTERFACES/JOIN/ACTION" or "MICROSOFT.NETWORK/NETWORKINTERFACES/DELETE" or
"MICROSOFT.NETWORK/NETWORKVIRTUALAPPLIANCES/DELETE" or "MICROSOFT.NETWORK/NETWORKVIRTUALAPPLIANCES/WRITE" or
"MICROSOFT.NETWORK/VIRTUALHUBS/DELETE" or "MICROSOFT.NETWORK/VIRTUALHUBS/WRITE" or
"MICROSOFT.NETWORK/VIRTUALROUTERS/WRITE" or "MICROSOFT.NETWORK/VIRTUALROUTERS/DELETE") and
event.outcome:(Success or success)
Framework: MITRE ATT&CKTM
Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/