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Azure Cloud review — Finding User role mapping in Azure Active directory

Gopi Narayanaswamy
5 min readMar 12, 2023

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User role mapping is an important aspect of Azure Active Directory (AAD) that enables you to control access to resources and services in your organization. It allows you to assign specific roles to users or groups within your AAD tenant, based on their responsibilities, job functions, and other criteria.

Here are some reasons why user role mapping is essential in Azure Active Directory:

1. Access Control: User role mapping enables you to control access to resources and services by assigning specific roles to users or groups. This ensures that users have the appropriate level of access based on their job responsibilities, which can help reduce the risk of security breaches.

2. Compliance: User role mapping can help you comply with regulatory requirements and industry standards. By ensuring that only authorized users have access to sensitive data, you can reduce the risk of non-compliance and potential legal issues.

3. Efficiency: User role mapping can streamline access management and reduce administrative overhead. By automating the process of assigning roles to users or groups, you can free up valuable time for IT staff to focus on other tasks.

4. Flexibility: User role mapping in AAD is highly flexible, allowing you to assign roles based on a wide range of criteria, including user attributes, group membership, and even device ownership. This means that you can tailor access control to meet the specific needs of your organization.

Overall, user role mapping is an essential feature of Azure Active Directory that can help you control access to resources, ensure compliance, and streamline access management

How to find user Role mapping

To find user role mapping in Azure Active Directory using PowerShell, you can use the Get-AzureADDirectoryRoleMember cmdlet. This cmdlet retrieves the members of a specific directory role. Here’s an example of how to use this cmdlet:

1. Open PowerShell as an administrator.

2. Install the AzureAD module by running the following command: Install-Module -Name AzureAD

3. Connect to your Azure AD tenant by running the following command: Connect-AzureAD

4. Get the list of directory roles in your tenant by running the following command: Get-AzureADDirectoryRole

5. Identify the role that you want to retrieve the members for and copy its ObjectId.

6. Run the following command to retrieve the members of the directory role: Get-AzureADDirectoryRoleMember -ObjectId <ObjectId> Replace <ObjectId> with the ObjectId of the directory role you want to retrieve the members for.

This cmdlet will return a list of members who have been assigned the specified directory role, along with their display name, user principal name, and object type.

Note: You need to have appropriate permissions in Azure AD to retrieve directory role members. Additionally, some directory roles, such as the Global Administrator role, may not be retrievable using this cmdlet due to security restrictions.

connect-azuread

$roles = Get-AzureADDirectoryRole

ForEach($role in $roles){

Get-AzureADDirectoryRoleMember -ObjectId $role.ObjectId | select @{n=”Azure role”;e={$role.DisplayName}}, displayname

}

How to get the user role mapping without Administrator role

Some use case you may not be given an administrator role to get the role mappings. in that case, To retrieve user role mapping for a specific user or group, you can use the Get-AzureADUserMembership cmdlet in PowerShell. This cmdlet retrieves the roles that the specified user or group is a member of. Here’s an example of how to use this cmdlet:

1. Open PowerShell as an administrator.

2. Install the AzureAD module by running the following command: Install-Module -Name AzureAD

3. Connect to your Azure AD tenant by running the following command: Connect-AzureAD

4. Get the user or group that you want to retrieve the role mapping for. You can use the Get-AzureADUser or Get-AzureADGroup cmdlets for this.

5. Run the following command to retrieve the role mapping for the user or group: Get-AzureADUserMembership -ObjectId <ObjectId> Replace <ObjectId> with the ObjectId of the user or group you want to retrieve the role mapping for.

This cmdlet will return a list of roles that the specified user or group is a member of. The list includes the display name and ObjectId of each role.

Note that the permissions required to run the Get-AzureADUserMembership cmdlet depend on the role being retrieved. Some roles may require higher permissions than others, and some roles may not be retrievable by non-administrative users at all.

To get all memberships:

Get-AzureADUserMembership -ObjectId "user@example.com" -All $true
(Get-AzureADGroup -Filter "DisplayName eq 'GroupName'" -All $true | Get-AzureADGroupMember -All $true).Count

To store the output in variables for later use:

$AzureADGroup = Get-AzureADGroup -Filter "DisplayName eq 'GroupName'" -All $true
$AzureADUsers = $AzureADGroup | Get-AzureADGroupMember -All $true
$AzureADGroupCount = $AzureADUsers | Measure-Object

To retrieve using Python

To retrieve user role mapping in Azure Active Directory using Python, you can use the Microsoft Graph API and the Microsoft Authentication Library (MSAL) for Python. Here’s an example of how to retrieve user role mapping using Python:

1.Install the required libraries by running the following command:

pip install msal msal-extensions requests

2.Register a new application in Azure AD and grant it the necessary permissions to access the Microsoft Graph API. Note down the application ID and secret, as well as the tenant ID.

3.In your Python code, import the necessary libraries and define the credentials and other variables:

import requests

from msal import ConfidentialClientApplication

# Define the credentials and other variables

CLIENT_ID = ‘<your_application_id>’

CLIENT_SECRET = ‘<your_application_secret>’

AUTHORITY = f’https://login.microsoftonline.com/<your_tenant_id>'

SCOPE = [‘https://graph.microsoft.com/.default']

ENDPOINT = ‘https://graph.microsoft.com/v1.0/directoryRoles'

4.Create an instance of the ConfidentialClientApplication class to authenticate and obtain an access token:

# Create an instance of the ConfidentialClientApplication class

app = ConfidentialClientApplication(

CLIENT_ID, client_credential=CLIENT_SECRET, authority=AUTHORITY

)

# Get an access token

result = app.acquire_token_silent(SCOPE, account=None)

if not result:

result = app.acquire_token_for_client(SCOPE)

access_token = result[‘access_token’]

5.Make a GET request to the Microsoft Graph API endpoint to retrieve the user role mapping:

# Define the headers for the GET request

headers = {

‘Authorization’: ‘Bearer ‘ + access_token,

‘Content-Type’: ‘application/json’

}

# Make the GET request to the Microsoft Graph API endpoint

response = requests.get(ENDPOINT, headers=headers)

# Parse the JSON response

data = response.json()

# Print the results

for item in data[‘value’]:

print(item[‘displayName’], item[‘id’])

This code retrieves the roles defined in the Azure Active Directory and prints the role display name and ID for each role.

Note that you need appropriate permissions to retrieve user role mapping using the Microsoft Graph API, and you need to grant your application the necessary permissions in Azure AD. Additionally, you need to handle authentication and access token retrieval, as shown in the example above.

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