Zscaler OAuth2 Lookup URL

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This playbook looks up URL categorization information from Zscaler using OAuth2 authentication.

Attribute	Value
Type	Playbook
Solution	Zscaler Internet Access
Source	View on GitHub

Logic App Connectors

This playbook uses 3 Logic App connectors / built-in actions:

Connector / Action	Type	Connections	Actions
`azuresentinel`	Managed	1	1
`http`	Built-in	0	1
`workflow`	Built-in	0	1

Action parameters (URLs, paths, function IDs)

`azuresentinel` (Managed)

Action	Method	Endpoint	Other
Entities_-_Get_URLs	post	`/entities/url`	—

`http` (Built-in)

Action	Method	Endpoint	Other
HTTP_Lookup_URL	POST	`https://api.zsapi.net/zia/api/v1/urlLookup`	—

`workflow` (Built-in)

Action	Method	Endpoint	Other
zscaler	—	—	workflowId=`[variables('ZscalerAuthenticationFlow')]` triggerName=`manual`

Additional Documentation

📄 Source: Oauth2LookupURL/readme.md

This playbook enables automated URL classification lookup in Zscaler Internet Access (ZIA) when triggered by Microsoft Sentinel incidents. It uses OAuth2 authentication to securely query the Zscaler API and retrieve URL category information for URLs found in incidents.

Overview

The Zscaler-Oauth2-LookupURL playbook is designed to:

Automatically extract URL entities from Microsoft Sentinel incidents
Authenticate with Zscaler ZIA using OAuth2 via the authentication playbook
Query Zscaler's URL lookup API to retrieve classification information for each URL
Return URL classifications and security alert categories for enrichment purposes

Prerequisites

Before deploying this playbook, ensure you have:

A Zscaler Internet Access (ZIA) subscription with API access enabled
The Zscaler-Oauth2-Authentication playbook deployed in the same resource group
OAuth2 client credentials (Client ID and Client Secret) configured in Azure Key Vault
Appropriate permissions to deploy Azure Logic Apps

Deployment

Click the button below to deploy the Zscaler-Oauth2-LookupURL playbook to your Azure environment:

Post-Deployment Configuration

After deployment, complete the following steps:

Authorize API Connections
- Navigate to the Logic App in the Azure portal
- Go to API connections and authorize the Microsoft Sentinel connection
- Ensure the managed identity has appropriate permissions
Grant Required Permissions
- Assign the Logic App managed identity the "Microsoft Sentinel Responder" role on your workspace
- Verify the Zscaler-Oauth2-Authentication playbook is deployed and accessible
Configure Zscaler API URL (Optional)
- The default Base URL is "zsapi.zscaler.net/api/v1"
- To change, edit the playbook and update the "Initialize_variable" action for BaseURL
Configure Automation Rules
- Create automation rules in Microsoft Sentinel to trigger this playbook
- Configure rules to run on incidents containing URL entities

Parameters

Parameter	Description	Default Value
PlaybookName	Name of the Logic App	Zscaler-Oauth2-LookupURL

Workflow

Triggered by Microsoft Sentinel incident creation
Extracts URL entities from the incident
Initializes the Zscaler API Base URL variable
Calls the Zscaler-Oauth2-Authentication playbook to obtain an access token
For each URL, queries the Zscaler URL lookup API (/urlLookup)
Parses the response containing:
- url: The queried URL
- urlClassifications: Array of URL category classifications
- urlClassificationsWithSecurityAlert: Security-related classifications
URLs are processed sequentially (concurrency set to 1) for reliable execution

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