↳ Source GitHubRègle analytiqueMedium

Cross-tenant Access Settings Organization Added

Description

'Organizations are added in the Cross-tenant Access Settings to control communication inbound or outbound for users and applications. This detection notifies when an Organization is added other than the list that is supposed to exist from the Microsoft Entra ID Cross-tenant Access Settings.'
Type de règle
Scheduled
Version
1.1.1
Statut déclaré
Available
Fréquence
2d
Période analysée
2d
Déclenchement
gt 0

Couverture MITRE déclarée

Sources déclarées

Métadonnées du fichier source. Aucune dépendance déduite du KQL.

Connecteurs

Types de données

Requête KQL

Requête originale, sans modification.

// Tenants IDs can be found by navigating to Azure Active Directory then from menu on the left, select External Identities, then from menu on the left, select Cross-tenant access settings and from the list shown of Tenants
let ExpectedTenantIDs = dynamic(["List of expected tenant IDs","Tenant ID 2"]);
AuditLogs
| where OperationName has "Add a partner to cross-tenant access setting"
| mv-apply TargetResource = TargetResources on
  (
      where TargetResource.type =~ "Policy"
      | extend Properties = TargetResource.modifiedProperties
  )
| mv-apply Property = Properties on
  (
      where Property.displayName =~ "tenantId"
      | extend ExtTenantIDAdded = trim('"',tostring(Property.newValue))
  )
| where ExtTenantIDAdded !in (ExpectedTenantIDs)
| extend InitiatingAppName = tostring(InitiatedBy.app.displayName)
| extend InitiatingAppServicePrincipalId = tostring(InitiatedBy.app.servicePrincipalId)
| extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)
| extend InitiatingAadUserId = tostring(InitiatedBy.user.id)
| extend InitiatingIpAddress = tostring(iff(isnotempty(InitiatedBy.user.ipAddress), InitiatedBy.user.ipAddress, InitiatedBy.app.ipAddress))
| extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, "@")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, "@")[1])

Entités déclarées

AccountIP

Contenus associés

Liens établis à partir des identifiants déclarés et des manifests des solutions.

Traçabilité de la source

GitHub

Les valeurs affichées proviennent des fichiers du dépôt Azure/Azure-Sentinel. Elles décrivent le modèle publié, pas la configuration de votre workspace.

Identifiant source
757e6a79-6d23-4ae6-9845-4dac170656b5
Autres fichiers source 3Solutions/Microsoft Entra ID/Analytic Rules/Cross-tenantAccessSettingsOrganizationAdded.yamlsource ↗Detections/AuditLogs/Cross-tenantAccessSettingsOrganizationAdded.yamlmigration-note ↗Solutions/Microsoft Entra ID/Data/Solution_AAD.jsonsolution-membership ↗
GSTEP / SUIVI DU CATALOGUE

Ajouté au catalogue : 16 sept. 2026 · 05:49 UTC
Dernier changement observé : 16 sept. 2026 · 05:49 UTC

Dates de synchronisation GSTEP, distinctes des dates de publication du contenu source.