Windows 10: Disable or change shortcut for Application Guard

Matthew Erb · Oct 19, 2020

Hi all,

I can be very fat fingered on the keyboard and sometimes when I try to hit CTRL + A to highlight all text I accidently also press down the shift key at the same time which triggers Application Guard to start shortcut is CTRL+SHIFT+A.

This is frustrating not only because it opens up a window in the middle of the screen and interrupts my typing, but because it lags my computer while it's starting and makes my system crawl.

I would like to keep this feature enabled but just change or disable the keyboard shortcut, is this possible?

:)

Brink · Oct 19, 2020

Windows Defender Application Guard extensions for Chrome and Firefox

To extend our container technology to other browsers and provide customers with a comprehensive solution to isolate potential browser-based attacks, we have designed and developed Windows Defender Application Guard extensions for Google Chrome and Mozilla Firefox.

How it works

The extensions for Google Chrome and Mozilla Firefox automatically redirect untrusted navigations to Windows Defender Application Guard for Microsoft Edge. The extension relies on a native application that we’ve built to support the communication between the browser and the device’s Application Guard settings.When users navigate to a site, the extension checks the URL against a list of trusted sites defined by enterprise administrators. If the site is determined to be untrusted, the user is redirected to an isolated Microsoft Edge session. In the isolated Microsoft Edge session, the user can freely navigate to any site that has not been explicitly defined as trusted by their organization without any risk to the rest of system. With our upcoming dynamic switching capability, if the user tries to go to a trusted site while in an isolated Microsoft Edge session, the user is taken back to the default browser.To configure the Application Guard extension under managed mode, enterprise administrators can follow these recommended steps:

Ensure devices meet requirements.

Turn on Windows Defender Application Guard.

Define the network isolation settings to ensure a set of trusted sites is in place.

Install the new Windows Defender Application Guard companion application from the Microsoft Store (ms-windows-store://pdp/?productid=9N8GNLC8Z9C8).

Install the extension for Google Chrome or Mozilla Firefox browsers provided by Microsoft.

Restart the devices.

Intuitive user experience

We designed the user interface to be transparent to users about Windows Defender Application Guard being installed on their devices and what it does. We want to ensure that users are fully aware that their untrusted navigations will be isolated and why.

When users initially open Google Chrome or Mozilla Firefox after the extension is deployed and configured properly, they will see a Windows Defender Application Guard landing page.

If there are any problems with the configuration, users will get instructions for resolving any configuration errors.

Users can initiate an Application Guard session without entering a URL or clicking on a link by clicking the extension icon on the menu bar of the browser.

Where to get it

The Windows Defender Application Guard extension for Google Chrome and Mozilla Firefox is rolling out to Windows Insiders today and will be generally available very soon. This is available for users on Win 10 Enterprise and Pro SKUs on 1803 or later.

Get the Google Chrome extension

Get the Mozilla Firefox extension

Get the Microsoft Store companion app (Copy and paste > ) ms-windows-store://pdp/?productid=9N8GNLC8Z9C8

Submit feedback here. Contact our team if you have any questions.
Click to expand...

Source: Announcing Windows 10 Insider Preview Build 18358 | Windows Experience Blog

Tip How to Install Extensions in Google Chrome
How to Enable or Disable Extensions in Google Chrome
How to Enable or Disable Extensions in Incognito Mode in Google Chrome
How to Uninstall Extensions in Google Chrome

How to Install Extensions in Mozilla Firefox

Brink · Oct 19, 2020

Credential Guard lab companion

If you have heard about Credential Guard in Windows Server 2016 (and in Windows 10), but do not have an environment to try it out, here is a lab environment we built for you to play.

Lab access

The link will lead you to a sign up page, after that, you will see the following labs listed for Windows Server 2016:

Windows Server 2016 labs

There are 3 exercises in the “Implementing Breach Resistance Security in Windows Server 2016”:

Credential Guard

Remote Credential Guard

Device Guard

This blogpost will walk you through the Credential Guard lab details.

After click on the link of Breach Resistance lab, you be required to sign in and then you can launch the lab:

Sign-in

Launch page

It takes a few minutes to create the VMs, and once it has done, you will see the following machines prepared:

Initialize

DC: domain controller, which is not used for this exercise.

SRV01 and SRV02: both are Windows Server 2016, and used for the lab exercise.

Lab exercise – Explained

The steps are listed in the Content section:

Content

This lab is structured to cover the following in sequence:

Understand how attackers can use the hash in memory to gain access to domain controllers

Configure Credential Guard

Verify the hash in memory is protected using Credential Guard

You can follow the steps listed under the content section to complete the lab, the intent of the blog, is to break the procedures into groups, to help you understand the exercise better.

Prep the hash

Lsass.exe is the process which handles user logon, it stores the user credential information in its memory. The memory is cleared when the machine starts up. In this lab environment, all the virtual machines start at the time lab launches, when you logon to the machine, you will only have the logon user credential information in memory. In order to demonstrate an attacker gaining user access using other account’s hash, the first part of the lab is to simulate a server which has been running for a while, different users had remotely or locally connected to it, therefore, lsass memory stored many different user credential information.
This is accomplished by step 1-8.

Retrieving credential hash

Mimikatz is a popular tool for retrieving lsass memory information. The tool has been copied to the lab machines, step 9-13 walk you through the process of dumping lsass memory using Mimikatz.

Pass the Hash

Pass the hash is a hacking technique that allows an attacker to authenticate by using the underlying NTLM, instead of specifying the user password. In step 14 to 24, you will extract LabAdmin hash from lsass using Mimikatz, and use the hash to open a PowerShell console, and perform a couple of operations using the LabAdmin privilege:

Add a user to the domain admin group

Open remote PowerShell connection to a domain controller

Both operations could not be performed by the logon user. But using the hash of the LabAdmin, an attacker will be able to do it using the information retrieve from Lsass memory.

Configure and verify Credential Guard

Step 25 to 36 illustrate the steps to configure credential guard, then verify its status using msinfo32.exe and PowerShell.

Step 37 to 43 goes further to use Mimikatz to show the hash in Lsass is now encrypted using Credential Guard.

More info

The exercise illustrated the benefit of Credential Guard in Windows Server 2016 as well as Windows 10. For more information, you can find here.
Click to expand...

Source: Credential Guard lab companion Datacenter and Private Cloud Security Blog

See also:

Enable or Disable Credential Guard in Windows 10 Windows 10 Security System Tutorials

Verify if Credential Guard is Enabled or Disabled in Windows 10 Windows 10 Security System Tutorials

Brink · Oct 19, 2020

Windows Defender Application Guard extensions for Chrome and Firefox

To extend our container technology to other browsers and provide customers with a comprehensive solution to isolate potential browser-based attacks, we have designed and developed Windows Defender Application Guard extensions for Google Chrome and Mozilla Firefox.

How it works

The extensions for Google Chrome and Mozilla Firefox automatically redirect untrusted navigations to Windows Defender Application Guard for Microsoft Edge. The extension relies on a native application that we’ve built to support the communication between the browser and the device’s Application Guard settings.When users navigate to a site, the extension checks the URL against a list of trusted sites defined by enterprise administrators. If the site is determined to be untrusted, the user is redirected to an isolated Microsoft Edge session. In the isolated Microsoft Edge session, the user can freely navigate to any site that has not been explicitly defined as trusted by their organization without any risk to the rest of system. With our upcoming dynamic switching capability, if the user tries to go to a trusted site while in an isolated Microsoft Edge session, the user is taken back to the default browser.To configure the Application Guard extension under managed mode, enterprise administrators can follow these recommended steps:

Ensure devices meet requirements.

Turn on Windows Defender Application Guard.

Define the network isolation settings to ensure a set of trusted sites is in place.

Install the new Windows Defender Application Guard companion application from the Microsoft Store (ms-windows-store://pdp/?productid=9N8GNLC8Z9C8).

Install the extension for Google Chrome or Mozilla Firefox browsers provided by Microsoft.

Restart the devices.

Intuitive user experience

We designed the user interface to be transparent to users about Windows Defender Application Guard being installed on their devices and what it does. We want to ensure that users are fully aware that their untrusted navigations will be isolated and why.

When users initially open Google Chrome or Mozilla Firefox after the extension is deployed and configured properly, they will see a Windows Defender Application Guard landing page.

If there are any problems with the configuration, users will get instructions for resolving any configuration errors.

Users can initiate an Application Guard session without entering a URL or clicking on a link by clicking the extension icon on the menu bar of the browser.

Where to get it

The Windows Defender Application Guard extension for Google Chrome and Mozilla Firefox is rolling out to Windows Insiders today and will be generally available very soon. This is available for users on Win 10 Enterprise and Pro SKUs on 1803 or later.

Get the Google Chrome extension

Get the Mozilla Firefox extension

Get the Microsoft Store companion app (Copy and paste > ) ms-windows-store://pdp/?productid=9N8GNLC8Z9C8

Submit feedback here. Contact our team if you have any questions.
Click to expand...

Source: Announcing Windows 10 Insider Preview Build 18358 | Windows Experience Blog

Tip How to Install Extensions in Google Chrome
How to Enable or Disable Extensions in Google Chrome
How to Enable or Disable Extensions in Incognito Mode in Google Chrome
How to Uninstall Extensions in Google Chrome

How to Install Extensions in Mozilla Firefox

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Disable or change keyboard shortcuts