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Run a detection test on a device recently onboarded to Microsoft Defender for Endpoint

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Applies to:

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When you add a device to the Microsoft Defender for Endpoint service for management, it's referred to as onboarding. Onboarding allows devices to report signals about their health status to the service.

Verifying that a device is added to the service successfully is a critical step in the entire deployment process. It helps ensure that all the devices expected are being managed.

Verify Microsoft Defender for Endpoint onboarding of a device using a PowerShell detection test

Run the following PowerShell script on a newly onboarded device to verify that it's properly reporting to the Defender for Endpoint service.

  1. On the device, open Command Prompt as an administrator.

  2. At the prompt, copy and run the following command:

    powershell.exe -NoExit -ExecutionPolicy Bypass -WindowStyle Hidden $ErrorActionPreference = 'silentlycontinue';(New-Object System.Net.WebClient).DownloadFile('http://127.0.0.1/1.exe', 'C:\\test-MDATP-test\\invoice.exe');Start-Process 'C:\\test-MDATP-test\\invoice.exe'

The Command Prompt window closes automatically. If successful, a new alert appears in the portal for the onboarded device in about 10 minutes.

Note

You can also use the EICAR test string to perform this test. Create a text file, paste the EICAR line, and save the file as an executable file to your endpoint's local drive. You will receive a test endpoint notification and an alert in the Microsoft Defender portal.

Tip

Do you want to learn more? Engage with the Microsoft Security community in our Tech Community: Microsoft Defender for Endpoint Tech Community.