Configuring ESET Responder Connectors

Use an ESET Responder to configure a Webhook action that can be triggered manually or that can enhance Automated Threat Hunting (ATH) actions.

ESET Responders use Webhook templates that support actions. Each action is one responder, there are four actions, and hence there are four ESET Responders: ESET Isolate computer from network, ESET End computer isolation from network, ESET On-Demand Scan, ESET run command.

Before configuring an ESET Responder, the responder service must first be restarted. Contact Stellar Cyber technical support for assistance.

This document describes how to configure an ESET Responder, how to manually trigger an action with an ESET Responder, and how to perform ATH actions with an ESET Responder.

Connector Overview: ESET Responder

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Adding an ESET Responder

To add an ESET Responder:

1. Obtain credentials
2. Add the connector in Stellar Cyber
3. Test the connector
4. Use actions

Obtaining Credentials

Before you configure the connector in Stellar Cyber, you must obtain the following ESET credentials:

• Hostname: The default is: us.automation.eset.systems.
  For Europe, modify the default to: eu.automation.eset.systems.
  For other regions, such as Japan and Canada, refer to https://help.eset.com/eset_connect/en-US/use_api_with_swagger.html.

• Protocol: The options are HTTP and HTTPS.

• Username and Password: To obtain a username and password, create an API user account following the guidance in the ESET documentation: Create API User account.

Adding the Connector in Stellar Cyber

To add an ESET Responder in Stellar Cyber:

1. Log in to Stellar Cyber.

2. Click System | Integrations | Connectors. The Connector Overview appears.

   

3. Click Create. The General tab of the Add Connector screen appears. The information on this tab cannot be changed after you add the connector.

   

   The asterisk (*) indicates a required field.

4. Choose Webhook from the Category drop-down.

5. Choose one of the predefined templates from the Type drop-down: ESET End computer isolation from network, ESET Isolate computer from network, ESET On-Demand Scan, or ESET Run command.

6. For this connector, the supported Function is Respond, which is enabled already.

7. Enter a Name.

   This field does not accept multibyte characters.

8. Choose a Tenant Name. This identifies which tenant is allowed to use the connector. In addition to specific tenants, this connector supports All Tenants, which means that an ESET Responder can be used across tenants.

9. Choose the device on which to run the connector.

   • Certain connectors can be run on either a Sensor or a Data Processor. The available devices are displayed in the Run On menu. If you want to associate your collector with a sensor, you must have configured that sensor prior to configuring the connector or you will not be able to select it during initial configuration. If you select Data Processor, you will need to associate the connector with a Data Analyzer profile as a separate step. That step is not required for a sensor, which is configured with only one possible profile.

   • If the device you're connecting to is on premises, we recommend you run on the local sensor. If you're connecting to a cloud service, we recommend you run on the DP.

10. Click Next. The Configuration tab appears.

    

    The asterisk (*) indicates a required field.

11. Enter the Hostname you noted above in Obtaining Credentials.

12. Select the Protocol, either HTTP or HTTPS.

13. Enter the Username and Password you noted above in Obtaining Credentials.

14. Click Next. The final confirmation tab, Done, appears.

    

15. Click Submit.

Testing the Connector

When you define an ESET Responder, we recommend that you run a test to validate the connectivity parameters you entered. (The test validates authentication / connectivity).

1. Click System | Integrations | Connectors. The Connector Overview appears.

   

2. Locate the connector that you want to test.

3. Click Test at the right side of that row. The test runs immediately.

   Note that you may run only one test at a time.

   Stellar Cyber conducts a basic connectivity test for the connector and reports a success or failure result. A successful test indicates that you entered all of the connector information correctly.

   To aid troubleshooting your connector, the dialog remains open until you explicitly close it by using the X button. If the test fails, you can select the  button from the same row to review and correct issues.

   The connector status is updated every five (5) minutes. A successful test clears the connector status, but if issues persist, the status reverts to failed after a minute.

   Repeat the test as needed.

   Success

   Failure with summary of issue: Show More example detail:

Using Actions

With an ESET Responder, you can:

• Manually trigger an action

• View action status

• Perform an ATH action

Manually Triggering an Action

To manually trigger an action with an ESET Responder:

1. Click Investigate | Threat Hunting. The Interflow Search tab appears.

2. Change the Indices for the record type, for example, Alerts.

3. Scroll down the page and click the icon for More Info in the Actions column.

4. Click the Actions tab. Webhook actions appear under External Actions.

   

5. Click an ESET Webhook action. The template populates the fields in the Path and Query and the JSON Body.

   

6. Modify the JSON Body by filling in any empty fields as follows:

   • Enter the targets for devicesUuids and deviceGroupsUuids.

   • By default, the expireTime will be autofilled with a value 5 minutes from the current UTC time. To schedule the expireTime, see the next step.

7. (Optional) To schedule the expireTime of an ESET action, enter a date time string in the format: %Y-%m-%dT%H:%M:%SZ, for example: 2024-07-09T01:54:45Z. Make sure the value is more than 5 minutes from the current UTC time.

   If the date time string entered is invalid, it will be replaced by the current UTC time plus 5 minutes.

8. To perform the action, click Submit.

Viewing Action Status

To view action status:

1. Click Respond | Actions.

2. Click Webhook Actions.

   

   You can view the action status or error message in the table.

Performing an ATH Action

To perform an ATH action with an ESET Responder:

1. Click Respond | Automation.

2. Click Create.

3. Scroll down to Actions.

   

4. Click the button to add an action. Another action appears below the existing action.

5. Select the Trigger on condition.

6. Select Webhook Responder for the Type.

7. Select a previously configured ESET Responder from the drop-down menu for the Webhook Responder. The template populates the fields in the Path and Query and JSON Body.

8. Modify the JSON Body by filling in any empty fields as follows:

   • Enter the targets for devicesUuids and deviceGroupsUuids.

   • By default, the expireTime will be autofilled with a value 5 minutes from the current UTC time. To schedule the expireTime, see the next step.

9. (Optional) To schedule the expireTime of an ESET action, enter a date time string in the format: %Y-%m-%dT%H:%M:%SZ, for example: 2024-07-09T01:54:45Z. Make sure the value is more than 5 minutes from the current UTC time.

   If the date time string entered is invalid, it will be replaced by the current UTC time plus 5 minutes.

10. (Optional) Click Override Default Settings to override the playbook's mute settings and mute just this action.

11. Click Submit