Onevinn blog

Creating NRT Rules in Microsoft Sentinel

Written by SEC-LABS R&D | 08 Nov 2021

For information about NRT rules, please see previous blog post or visit

https://docs.microsoft.com/en-us/azure/sentinel/near-real-time-rules

Creating NRT rules

Navigate to Microsoft Sentinel in the Azure portal

https://portal.azure.com/#blade/HubsExtension/BrowseResourceBlade/resourceType/microsoft.securityinsightsarg%2Fsentinel

In the navigation, select Analytics

Click Create and select NRT query rule


Give it a name and add Description, Mitre Tactics and Severity and click Next

In the configuration window, there are no schedule and lookback time to define

Configure your query accordingly and continue the wizard.

Requirements

You can only refer to one table and cannot use unions or joins

No cross workspace query

Use project and only keep the necessary fields to avoid truncation due to size limitations of the alerts

For further information, please visit

https://docs.microsoft.com/en-us/azure/sentinel/create-nrt-rules