Azure RBAC Elevate Access

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

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

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/132fdff4-c044-4855-a390-c1b71e0f833b')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/132fdff4-c044-4855-a390-c1b71e0f833b')]",
      "properties": {
        "alertRuleTemplateName": null,
        "customDetails": null,
        "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)'\n",
        "displayName": "Azure RBAC (Elevate Access)",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Actor",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPAddress",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": false,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [],
            "groupByEntities": [],
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Entra ID/Analytic Rules/AzureRBAC.yaml",
        "query": "AuditLogs\n| where Category =~ \"AzureRBACRoleManagementElevateAccess\"\n| where ActivityDisplayName =~ \"User has elevated their access to User Access Administrator for their Azure Resources\"\n| extend Actor = tostring(InitiatedBy.user.userPrincipalName)\n| extend IPAddress = tostring(InitiatedBy.user.ipAddress) \n| project\n    TimeGenerated,\n    Actor,\n    OperationName,\n    IPAddress,\n    Result,\n    LoggedByService\n",
        "queryFrequency": "PT2H",
        "queryPeriod": "PT2H",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "PrivilegeEscalation"
        ],
        "techniques": [
          "T1078"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}