Suspicious Azure Application Security Group Modified or Deleted (via activitylogs)

title: Suspicious Azure Application Security Group Modified or Deleted (via activitylogs)
id: 9f3543b4-258a-5452-985a-89596411f005
status: stable
description: This rule detects when a application security group is modified or deleted.
references:
    - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
author: Huntrule Team
date: 2026-03-05
tags:
    - attack.impact
    - attack.defense-evasion
    - attack.t1562.007
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName:
            - MICROSOFT.NETWORK/APPLICATIONSECURITYGROUPS/WRITE
            - MICROSOFT.NETWORK/APPLICATIONSECURITYGROUPS/DELETE
    condition: selection
falsepositives:
    - Unknown
level: medium