Suspicious Azure Virtual Network Modified or Deleted (via activitylogs)

title: Suspicious Azure Virtual Network Modified or Deleted (via activitylogs)
id: ce4316e7-4163-5c10-beab-d745dc0f0652
status: stable
description: This rule detects when a Virtual Network is modified or deleted in Azure.
references:
    - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
author: Huntrule Team
date: 2026-05-27
tags:
    - attack.impact
    - attack.defense-evasion
    - attack.t1578
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName|startswith:
            - MICROSOFT.NETWORK/VIRTUALNETWORKGATEWAYS/
            - MICROSOFT.NETWORK/VIRTUALNETWORKS/
        operationName|endswith:
            - /WRITE
            - /DELETE
    condition: selection
falsepositives:
    - Unknown
level: medium