Add Block Outbound Rule - Zero Networks Acccess Orchestrator

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This playbook allows blocking an IP outbound from protected assets in Zero Networks Segment.

Attribute Value
Type Playbook
Solution ZeroNetworks
Source View on GitHub

Logic App Connectors

This playbook uses 2 Logic App connectors / built-in actions:

Connector / Action Type Connections Actions
azuresentinel Managed 1 2
ZeroNetworksConnector Custom 1 2
Action parameters (URLs, paths, function IDs)

azuresentinel (Managed)

Action Method Endpoint Other
Add_comment_to_incident_(V3) post /Incidents/Comment —
Entities_-_Get_IPs post /entities/ip —

ZeroNetworksConnector (Custom)

Action Method Endpoint Other
Create_Outbound_Block_rule post /protection/rules/outbound-block —
Encode_IP_Address_to_AssetId get /entities/encode-ip —

Additional Documentation

📄 Source: ZeroNetworksSegment-AddBlockOutboundRule/readme.md

Zero Networks Segment - Add Block Outbound Rule

Summary

This playbook allows blocking an IP outbound from protected assets in Zero Networks Segment.

When a new Sentinel incident is created, this playbook gets triggered and performs below actions

  1. For the IPs, we add them to a new outbound block rule in Segment.
  2. A comment is added to Microsoft Sentinel incident.

Playbook overview: playbook overview

Prerequisites

  1. Zero Networks custom connector needs to be deployed prior to the deployment of this playbook, in the same resource group and region. Relevant instructions can be found in the connector doc page.

Deployment instructions

  1. Deploy the playbook by clicking on "Depoly to Azure" button. This will take you to deplyoing an ARM Template wizard.

Deploy to Azure Deploy to Azure Gov

  1. Fill in the required paramteres:
    • Playbook Name: Enter the playbook name here (ex:ZNSegment-AddBlockOutboundRule)
    • Connector name : Enter the name of the Zero Networks custom connector (default value:ZeroNetworksConnector)

Post-Deployment instructions

a. Authorize connections

Once deployment is complete, you will need to authorize each connection.

  1. Click the Microsoft Sentinel connection resource
  2. Click edit API connection
  3. Click Authorize
  4. Sign in
  5. Click Save
  6. Repeat steps for other connections such as Zero Networks

c. Configurations in Microsoft Sentinel

  1. In Microsoft Sentinel, analytical rules should be configured to trigger an incident with IP Entity.
  2. Configure the automation rules to trigger this playbook

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