Microsoft Sentinel Analytic Rules
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Azure RBAC Elevate Access

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Id132fdff4-c044-4855-a390-c1b71e0f833b
RulenameAzure RBAC (Elevate Access)
DescriptionDetects 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
SeverityHigh
TacticsPrivilegeEscalation
TechniquesT1078
Required data connectorsAzureActiveDirectory
KindScheduled
Query frequency2h
Query period2h
Trigger threshold0
Trigger operatorGreaterThan
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Entra ID/Analytic Rules/AzureRBAC.yaml
Version1.0.0
Arm template132fdff4-c044-4855-a390-c1b71e0f833b.json
Deploy To Azure
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
version: 1.0.0
requiredDataConnectors:
- dataTypes:
  - AuditLogs
  connectorId: AzureActiveDirectory
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: Actor
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: IPAddress
  entityType: IP
relevantTechniques:
- T1078
queryPeriod: 2h
enabled: true
eventGroupingSettings:
  aggregationKind: SingleAlert
id: 132fdff4-c044-4855-a390-c1b71e0f833b
suppressionEnabled: false
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: PT5H
    matchingMethod: AllEntities
    enabled: false
    groupByCustomDetails: []
    groupByAlertDetails: []
    groupByEntities: []
    reopenClosedIncident: false
  createIncident: true
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
suppressionDuration: PT5H
kind: Scheduled
tactics:
- PrivilegeEscalation
alertRuleTemplateName: 
severity: High
name: Azure RBAC (Elevate Access)
queryFrequency: 2h
triggerOperator: GreaterThan
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)'
{
  "$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": "132fdff4-c044-4855-a390-c1b71e0f833b",
        "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"
    }
  ]
}