Creating Microsoft Defender ATP Response Action Rules

Role Availability Read-Only Investigator Analyst Manager

Use the AlienApp for Microsoft Defender Advanced Threat Protection (ATP) to access the Microsoft Defender ATP response actions In USM Anywhere you can execute an action from alarms, events, and vulnerabilities to run a scan, get forensic information, or execute a response for a configured AlienApp., which enable you to quickly respond to threats identified by USM Anywhere. You can create response action rules in USM Anywhere that automatically trigger when alarms Alarms provide notification of an event or sequence of events that require attention or investigation. or events Any traffic or data exchange detected by AT&T Cybersecurity products through a sensor or external devices such as a firewall. match the criteria that you specify.

You can create a new rule as follows:

  • From the Rules page: The Rules page provides access to all of your orchestration rules. The Orchestration Rules list includes suppression rules, alarm rules, event rules, filtering rules, notification rules, and response action rules. You can create new rules using the specific matching conditions that you define, as well as edit, delete, and enable or disable rules. See Orchestration Rules for more information about managing orchestration rules.

    Go to Settings > Rules and select Response Action Rules on the left navigation pane. Then click Create Response Action Rule to define the new rule.

To define a new Microsoft Defender ATP response action rule

  1. Enter a name for the rule.

  2. Select the action you want to launch from the Action drop-down menu.

    You can launch an action to tag the destination host or source for an alarm or an event.

  3. At the bottom of the dialog box, set the rule condition parameters to specify the criteria for a matching alarm or event to trigger the rule.

    Set the matching conditions for triggering the rule

    • This section provides suggested property/value pairs from the selected alarm or event that you can use as conditions for the rule. Click the icon to delete the items that you do not want to include in the matching conditions. You can also add other conditions that are not suggested.
    • If you create the rule from the Rules page, you must use the Add Condition and Add Group functions to define the property/value pairs that you want to use as conditions for the rule.
    • At the bottom of the dialog box, click More to display the optional multiple occurrence and window-length parameters.
  4. Click Save Rule.
  5. Click OK in the confirmation dialog box.