TISC playbook templates

This section describes the playbook templates that are shipped with TISC Sentinel solution.

Table 1. Playbook use casesThe following table describes the various playbook use cases.

Use case	Playbook	Description
Importing Observables from TISC to Sentinel	Batch_Indicator_Uploader	Provides batching mechanism for exporting observables from TISC using Upload Indicators API provided by Microsoft Sentinel.
	Import_Observables_Batch	Enables scheduled export of observables from TISC.
Export entities from Sentinel to TISC	Export_Incident_Entities	Export all entities of a Sentinel incident.
	Export_Hash_Entity	Export file hash entities of Sentinel incident.
	Export_Domain_Entity entities	Export domain entities of Sentinel incident.
	Export_IP_Entity	Export IP entities of Sentinel incident.
	Export_URL_Entity	Export URL entities of Sentinel incident.
Enrich Sentinel incidents	Incident_Enrichment	Enables enrichment of Sentinel incidents by fetching details related to entities associated with it and posting information in the form of comments on the incident.

Note:

All the playbooks use TISC Custom Connector internally to use TISC APIs.

Create playbooks from templates

1. Navigate to TISC Solution content page from the Content Hub in Sentinel Workspace.
2. For each playbook shown in the contents page, do the following:
   1. Select the playbook template, a context pane is displayed in the right hand side of the screen, click Configuration.
   2. Read the description of the playbook template, go through the Prerequisites and Post deployment steps mentioned in the description.
   3. Click on Deploy custom connector (if you haven't already deployed the custom connector).

      Add the ServiceNow instance URL on the Deployment Configuration page.

   4. Click Create Playbook, you would be taken to the deployment configuration screen
   5. In the Create playbook configuration screen:
      • Select the appropriate resource group.
      • Modify the playbook name, or use the default name.
      • Provide the Custom Connector name (make sure this matches with name of the connector you deployed in previous step) in the Parameters section.
      • Click Review and Create.

Configure Import_Observables_Batch playbook

Make sure to create Batch_Indicator_Uploader playbook before the Import_Observables_Batch playbook is created.

1. Navigate to Logic App Designer to edit the playbook.
2. Update the Recurrence time (in hours) as required.
3. From the TISC Custom Connector component within the playbook, update the parameters that are sent to TISC API.

   Parameter Name	Description
   Observable Type	Following are the supported types, select one or more: IP File Hash Domain URL
   Threat Score	Enter the threat score for observables. The threat score value MUST be a number in the range of 0-100.
   Confidence	Enter the confidence for observables. The confidence value MUST be a number in the range of 0-100.
   Reputation	Following are the supported values, select one or more: Clean Malicious Suspicious Unknown
   Threat Severity	Following are the supported severity levels, select one or more: Critical High Medium Low
   Threat Level	Following are the supported threat levels, select one or more: High Medium Low
   Last Updated Delta in Hours	The last updated time(in hours) for observables.

Configure Export_Incident_Entities playbook

This playbook uses TISC Add observables API. Using the Logic App Designer, you can edit the parameters that are sent to the API from the playbook. For more information see TISC API - POST /sn_sec_tisc/threat_intel_data/add_observables.

You can follow the same procedure for all the below listed playbooks which export different types of entities:

• Export_Hash_Entity
• Export_Domain_Entity
• Export_IP_Entity
• Export_URL_Entity

Configure Incident_Enrichment playbook

This playbook uses TISC Observables API. Using the Logic App Designer, you can edit the parameters that are sent to the API from the playbook. For more information see TISC API - POST /sn_sec_tisc/threat_intel_data/observables.

Run playbooks

The following table describes how you can run the following playbooks.

Playbook	Action
Import_Observables_Batch	This playbook runs automatically based on the scheduled time which is mentioned in the recurrence trigger.
Export_Incident_Entities	On a Sentinel incident, select Incident Actions > Run Playbook for execution.
Export_Hash_Entity	On a Sentinel incident, select File hash entity > Run Playbook for execution.
Export_Domain_Entity	On a Sentinel incident, select Domain entity > Run Playbook for execution.
Export_IP_Entity	On a Sentinel incident, select IP entity > Run Playbook for execution.
Export_URL_Entity	On a Sentinel incident, select URL entity > Run Playbook for execution.
Incident_Enrichment	On a Sentinel incident, select Incident Actions > Run Playbook for execution.