PSMDATP – PowerShell Module For Managing Microsoft Defender Advanced Threat Protection

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Welcome to the Microsoft Defender Advanced Threat Protection PowerShell module!

This module is a collection of easy-to-use cmdlets and functions designed to make it easy to interface with the Microsoft Defender Advanced Threat Protection API.

Motivation

I created this PowerShell module for MDATP for the following reasons:

  1. Advance my PowerShell skills
  2. Provide an easy way to interact with MDATP through PowerShell because I prefer automation over manual tasks

Prerequisites

  • Windows PowerShell 5.1 (Testing for PowerShell 7 is in progress)
  • have configured authorization for access by registering an application in AzureAD

App Permissions

Below is an example of the App Permissions that you must grant. I will provide more details soon about the individual cmdlets and the permissions required

Getting Started

To get started with the module, open your PowerShell terminal and install the module from the PSGallery by running this simple command:

Install-Module PSMDATP -Scope CurrentUser

App Registration

Initial Configuration

When you have installed the module and registered the App in AzureAD, you will find a file TEMPLATE_PoshMTPconfig.json in the Module folder. Rename this file to PoshMTPConfig.json and enter your API settings. Then copy the file in the root of the Module folder.

Example:

"C:UsersUser1DocumentsWindowsPowerShellModulesPSMDATP"
───PSMDATP
│ │ PoshMTPconfig.json
│ │
│ └───0.0.2
│ PSMDATP.psd1
│ PSMDATP.psm1
│ TEMPLATE_PoshMTPconfig.json

At present the PSMDATP PowerShell module only requires the API_MDATP information

{
"API_MDATP": {
"AppName": "WindowsDefenderATPPSMDATP",
"OAuthUri": "https://login.windows.net/<YOUR TENANT ID>/oauth2/token",
"ClientID": "CLIENT ID",
"ClientSecret": "<CLIENT SECRET>"
},
"API_MSGRAPH": {
"AppName": "xMSGraph",
"OAuthUri": "https://login.windows.net/<YOUR TENANT ID>/oauth2/token",
"ClientID": "<CLIENT ID>",
"ClientSecret": "<CLIENT SECRET>"
}
}

Important

I am going to assume that you are familiar with MDATP as such and understand the consequences of triggering actions on devices. Where applicable the cmdlets support the use the -whatif parameter. Think before pressing the key!

Running your first commands

List included cmdlets

Let’s first take a look at the cmdlets included in the PSMDATP Module

get-command -Module PSMDATP | Select Name

You will see something like this

Add-MDATPDeviceTag
Add-MDATPIndicator{
Get-MDATPAlert
Get-MDATPCollectionPackageUri
Get-MDATPDevice
Get-MDATPDeviceAction
Get-MDATPDeviceTag
Get-MDATPIndicator
Get-MDATPInvestigation
Get-MDATPQuery
Get-MDATPTvmRecommendation
Get-MDATPTvmVulnerability
Remove-MDATPDevice
Remove-MDATPDeviceTag
Remove-MDATPIndicator
Start-MDATPAppRestriction
Start-MDATPAVScan
Start-MDATPInvestigation
Start-MDATPInvestigationPackageCollection
Start-MDATPIsolation
Stop-MDATPAppRestriction
Stop-MDATPIsolation

For more details about the cmdlets included in this module check out the cmdlets documentation page

Retrieve MDATP Alerts

Run the following command to retrieve alerts from the past 30 days

Get-MDATPAlert -PastHours 720

List MDATP Devices

Run the following command to list all MDATP registered devices

Get-MDATPDevice -All

Authors

Alex Verboon Twitter

Credits

I used Catesta for this project

Download PSMDATP

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