ChangesToAzureLighthouseDelegation.yaml

id: 575db994-d562-4e3c-bfe7-bdb7ce5c673a
name: Changes to Azure Lighthouse delegation
description: |
  'Identifies when Azure Lighthouse is used to to delegate resources for access through an other Azure Active Directory tenant.'
severity: Medium
requiredDataConnectors:
  - connectorId: AzureActivity
    dataTypes:
      - AzureActivity
queryFrequency: 1d
queryPeriod: 1d
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Persistence
relevantTechniques:
  - T1136
query: |
  AzureActivity
  | where OperationNameValue =~ "Microsoft.ManagedServices/registrationAssignments/Write"
  | summarize ActivityStatusValue=make_list(ActivityStatusValue), timestamp = max(TimeGenerated) by IPCustomEntity=CallerIpAddress, AccountCustomEntity=Caller, SubscriptionId, OperationNameValue, CorrelationId
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: FullName
        columnName: AccountCustomEntity
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: IPCustomEntity
version: 1.0.0
kind: Scheduled