For some reason the service that keeps wifi running even while the screen is under lock is disabled on 10512. This enables it. Reboot and you’ll have WiFi working under lock screen on 10512.

Manual Steps for running CMD over SSH (assuming you’ve done the SFTP steps above) Redstone builds required. 10586.XXX builds will NOT work

• IoT Insider Preview ISO
• Interop Tools — Download the latest arm package and all packages from the Dependencies directory. Install the dependencies first, THEN install the app.
• Pageant
• Putty

Steps:

First, you’ll need to download the Windows IoT Core Insider Preview ISO. Mount it and then install the MSI. Next, you’ll need to go into Disk Management (diskmgmt.msc) and create a new 4GB VHD by clicking Action-> Create VHD. Set the location to any place you wish for it to be, set the size to 4GB and keep the rest the same. Pay attention to the disk number shown in the Disk Management screen after you create and mount that VHD (They have a blue drive icon to the left of them).

When this is complete, open up an elevated command prompt. Go to C:\Program Files (x86\Microsoft IoT\FFU.
Run the following command:

Where N is the disk number. At this point, you should start seeing a bunch of volumes created. The MainOS volume is the one we’ll care about.
Go to that drive and copy the Windows\System32\cmd.exe and Windows\system32\en-us\cmd.exe.mui to your phone’s Document’s folder.

Next step is to open up the Interop Tools app, and tap on the Interop Unlock menu item from the hamburger menu. Select the option to restore NDTKSvc, reboot.
When the device comes back up, re-open Interop Tools and this time click on the Registry Editor from the hamburger menu.

Enter the following values, then press Write Data:

Registry Hive : HKEY_LOCAL_MACHINE
Registry Type: String
Registry Key Path: SYSTEM\Controlset001\Control\SSH\Sirepuser
Registry Value Name: default-shell
Registry Value Data: C:\Data\Users\Public\Documents\cmd.exe

Write this key tap on the hamburger menu and go to the Registry Browser. Travel to HKEY_LOCAL_MACHINE -> SYSTEM -> ControlSet001 -> Control -> Ci.

Tap the + button on the application bar and make sure the values are set to the following and then press Write:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Type: Integer
Registry Key Path: SYSTEM\ControlSet001\Control\CI
Registry Value Name: UMCIAuditMode
Registry Value Data: 1

This actually enables the execution of unsigned executables. This is how we end up making CMD and the other programs work ^_^.

Reboot your phone. Wait a good 3-5 minutes before you try doing anything because your phone will be acting very unstable (Some apps crashing, and others working).
While you have pageant open and the private key added, open up a putty SSH session to your phone using the username of Sirepuser. You should be delighted at this point (If you did everything correctly) to see a Command Prompt. You should be getting random resource string errors when you try typing DIR, etc and this is due to the fact that we don’t have the mui string in the correct place. Let’s fix that.

ONE BIG THING TO NOTE: running CMD in SSH is very sensitive to keystrokes. If you are typing a command and press backspace even once, then the command won’t send at all. It will state that it doesn’t recognize what you’re doing, so be sure to type these things in FLAWLESSLY (yeah it’s annoying)

What we want to do now is then copy the cmd.exe to C:\Windows\System32 and the cmd.exe.mui to C:\Windows\System32\en-US. Run the following commands:

copy c:\Data\Users\Public\cmd.exe c:\Windows\System32
copy c:\Data\Users\Public\cmd.exe.mui c:\Windows\System32\en-US

Back on your phone, go back to Interop Tools and click on the Registry Editor. Follow the same exact steps as you did for changing the default-shell key, but make one change:

Registry Value Data: C:\Windows\system32\cmd.exe

At this point, restart your putty session and then you’ll be good to go with CMD running over SSH as SYSTEM!

There was a reason I said to copy off the system32 folder somewhere. If you follow the same process to get the files to your Documents folder and move them over to system32, you can have quite a bit of exes to run from the command line. The easiest thing to do is to use xcopy to get everything there.

Extra #2:
You can run .NET Console apps in CMD if they are named the following 3 names: TailoredDeploy.exe, WConnectAgent.exe or WConnectAgentLauncher.exe.

Make a directory on your SD Card named «test» or put it in the test directory on your phone’s C: drive and it should go. Beware that the runtime is weird on the phone and not ALL things are possible to do with a .NET Console app

PLEASE. For the love of god DO NOT add DefApps to the Administrators group if you don’t want all of your apps to stop working

USE THIS AT YOUR OWN RISK! I AM NOT RESPONSIBLE IF YOU BLOW UP YOUR PHONE ON PURPOSE OR BY ACCIDENT

Full file system access discovered in Windows 10 Mobile

Microsoft’s Windows 10 Mobile is a very different OS from previous versions of Windows Phone in one respect: it is a more full-featured OS. This feature should not surprise anyone as Windows 10 Mobile share the same kernel, some APIs, and other coding similarities with Windows 10 for PC, Windows 10 on Xbox One and even IoT. Logically, this should mean that Windows 10 Mobile can be pried open to reveal its internal file structure like a true OS. Think of Windows Mobile and Android, for instance.

Now, over at XDA, instructions have been posted on how a user can gain full file system access to Windows 10 Mobile. Posted by snickler, who is well known at XDA, the details are not for the faint of heart. However, those wanting to do this are likely already developers and those with more advanced coding skills. For regular consumers, on the face of it this does not do much except let you damage the OS.

Snickler notes in the forum thread:

«This guide uses the built-in SSH server on the phone that gets activated once you enable Device Discovery to give us TRUE full file system access. MTP doesn’t truly give full file system access as there are files and folders that aren’t accessible still.»

To pull off the hack, you will need Astoria Tools/WConnect, djamol’s Root Tool, PuttyGen, Pagent, and an SFTP program.

Besides the full instructions, some limitations were also posted. For the most part, however, this opens the doors for some real advanced hacking on Windows 10 Mobile as some of the system files can now be replaced or added to through this method. For a long time now, Android has enjoyed the hacker/tinkerer base at XDA, but Windows 10 Mobile may bring that forum back to its roots just yet.

We should caution, if you do not know any of those tools listed above, this is not something you should pursue. However, if you are a developer or tinkerer who likes to play, now is your chance.

Source: XDA Forums; Thanks, Jeremy Sinclair, for the info and screenshots

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