Get Azure AD Groups

Metadata

platform

Azure

contributors

Roberto Rodriguez @Cyb3rWard0g,MSTIC R&D

creation date

2021-08-22

modification date

2021-09-08

Tactics

TA0007

Techniques

T1069.003

Description

A threat actor might want to list all the groups in an organization, including but not limited to Microsoft 365 groups via Microsoft Graph APIs and the right permissions.

Run Simulation

Get OAuth Access Token

from msal import PublicClientApplication
import requests
import time

function_app_url = "https://FUNCTION_APP_NAME.azurewebsites.net"

tenant_id = "TENANT_ID"
public_client_app_id = "KATANA_CLIENT_APP_ID"
server_app_id_uri = "api://" + tenant_id + "/cloudkatana"
scope = server_app_id_uri + "/user_impersonation"

app = PublicClientApplication(
    public_client_app_id,
    authority="https://login.microsoftonline.com/" + tenant_id
)
result = app.acquire_token_interactive(scopes=[scope])
bearer_token = result['access_token']

Set Azure Function Orchestrator

endpoint = function_app_url + "/api/orchestrators/Orchestrator"

Prepare HTTP Body

data = [{'RequestId': 'c902d927-621d-438a-af32-e4399cc2d294', 'name': 'Get Azure AD Groups', 'metadata': {'creationDate': '2021-08-22', 'modificationDate': '2021-09-08', 'description': 'A threat actor might want to list all the groups in an organization, including but not limited to Microsoft 365 groups via Microsoft Graph APIs and the right permissions.\n', 'contributors': ['Roberto Rodriguez @Cyb3rWard0g', 'MSTIC R&D'], 'mitreAttack': [{'technique': 'T1069.003', 'tactics': ['TA0007']}]}, 'steps': [{'schema': 'atomic', 'id': 'abef5116-ff37-4347-9e12-3f22babf18e9', 'name': 'Get Azure AD Groups', 'metadata': {'creationDate': '2021-08-22', 'modificationDate': '2021-09-08', 'description': 'A threat actor might want to list all the groups in an organization, including but not limited to Microsoft 365 groups via Microsoft Graph APIs and the right permissions.\n', 'contributors': ['Roberto Rodriguez @Cyb3rWard0g', 'MSTIC R&D'], 'mitreAttack': [{'technique': 'T1069.003', 'tactics': ['TA0007']}]}, 'authorization': [{'resource': 'https://graph.microsoft.com/', 'permissionsType': 'application', 'permissions': ['Group.Read.All']}], 'execution': {'type': 'ScriptModule', 'platform': 'Azure', 'executor': 'PowerShell', 'module': {'name': 'CloudKatanaAbilities', 'version': 1.0, 'function': 'Get-CKAzADGroups'}, 'parameters': {}}, 'number': 1}]}]

Send HTTP Request

http_headers = {'Authorization': 'Bearer ' + bearer_token, 'Accept': 'application/json','Content-Type': 'application/json'}
results = requests.get(endpoint, json=data, headers=http_headers, stream=False).json()

time.sleep(30)

Explore Output

query_status = requests.get(results['statusQueryGetUri'], headers=http_headers, stream=False).json()
query_results = query_status['output']
query_results