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

entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: Actor
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPAddress
tactics:
- PrivilegeEscalation
suppressionEnabled: false
suppressionDuration: PT5H
requiredDataConnectors:
- dataTypes:
  - AuditLogs
  connectorId: AzureActiveDirectory
eventGroupingSettings:
  aggregationKind: SingleAlert
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    groupByAlertDetails: []
    lookbackDuration: PT5H
    groupByEntities: []
    groupByCustomDetails: []
    enabled: false
    matchingMethod: AllEntities
  createIncident: true
id: 132fdff4-c044-4855-a390-c1b71e0f833b
severity: High
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  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Entra ID/Analytic Rules/AzureRBAC.yaml
kind: Scheduled
queryPeriod: 2h
enabled: true
version: 1.0.0
name: Azure RBAC (Elevate Access)
queryFrequency: 2h
triggerThreshold: 0
relevantTechniques:
- T1078
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)'
triggerOperator: GreaterThan

ARM