Azure RBAC Elevate Access

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Id	132fdff4-c044-4855-a390-c1b71e0f833b
Rulename	Azure RBAC (Elevate Access)
Description	Detects when a Global Administrator elevates access to all subscriptions and management groups in a tenant. When a Global Administrator elevates access they are assigned the User Access Administrator role at root scope. This Microsoft Sentinel Analytic Rule monitors who has elevated access in your tenant so that admins can take appropriate action. Learn more
Severity	High
Tactics	PrivilegeEscalation
Techniques	T1078
Required data connectors	AzureActiveDirectory
Kind	Scheduled
Query frequency	2h
Query period	2h
Trigger threshold	0
Trigger operator	GreaterThan
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Entra ID/Analytic Rules/AzureRBAC.yaml
Version	1.0.0
Arm template	132fdff4-c044-4855-a390-c1b71e0f833b.json

KQL

AuditLogs
| where Category =~ "AzureRBACRoleManagementElevateAccess"
| where ActivityDisplayName =~ "User has elevated their access to User Access Administrator for their Azure Resources"
| extend Actor = tostring(InitiatedBy.user.userPrincipalName)
| extend IPAddress = tostring(InitiatedBy.user.ipAddress) 
| project
    TimeGenerated,
    Actor,
    OperationName,
    IPAddress,
    Result,
    LoggedByService

YAML

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Entra ID/Analytic Rules/AzureRBAC.yaml
relevantTechniques:
- T1078
name: Azure RBAC (Elevate Access)
queryFrequency: 2h
version: 1.0.0
incidentConfiguration:
  groupingConfiguration:
    groupByEntities: []
    matchingMethod: AllEntities
    enabled: false
    groupByCustomDetails: []
    lookbackDuration: PT5H
    groupByAlertDetails: []
    reopenClosedIncident: false
  createIncident: true
triggerThreshold: 0
severity: High
requiredDataConnectors:
- connectorId: AzureActiveDirectory
  dataTypes:
  - AuditLogs
tactics:
- PrivilegeEscalation
enabled: true
alertRuleTemplateName: 
query: |
  AuditLogs
  | where Category =~ "AzureRBACRoleManagementElevateAccess"
  | where ActivityDisplayName =~ "User has elevated their access to User Access Administrator for their Azure Resources"
  | extend Actor = tostring(InitiatedBy.user.userPrincipalName)
  | extend IPAddress = tostring(InitiatedBy.user.ipAddress) 
  | project
      TimeGenerated,
      Actor,
      OperationName,
      IPAddress,
      Result,
      LoggedByService  
entityMappings:
- fieldMappings:
  - columnName: Actor
    identifier: Name
  entityType: Account
- fieldMappings:
  - columnName: IPAddress
    identifier: Address
  entityType: IP
queryPeriod: 2h
triggerOperator: GreaterThan
suppressionEnabled: false
eventGroupingSettings:
  aggregationKind: SingleAlert
id: 132fdff4-c044-4855-a390-c1b71e0f833b
suppressionDuration: PT5H
kind: Scheduled
description: |
    'Detects when a Global Administrator elevates access to all subscriptions and management groups in a tenant. When a Global Administrator elevates access they are assigned the User Access Administrator role at root scope. This Microsoft Sentinel Analytic Rule monitors who has elevated access in your tenant so that admins can take appropriate action. [Learn more](https://learn.microsoft.com/en-us/azure/role-based-access-control/elevate-access-global-admin?tabs=azure-portal)'

ARM