Hacking [Release] Appx packer an Appx packer and signer

tunip3

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Appx packer is a creatively named GUI Appx packer and signer.

https://github.com/tunip3/Appx-packer

the tools should be simple enough to use already but has some requirements they are as follows

you must create a folder called appxpacker next to the executable and it needs to contain the following files:

appxpackaging.dll

appxsip.dll

makeappx.exe

MakeAppx.exe.manifest makecert.exe

mfdetours.dll

Microsoft.Diagnostics.Tracing.EventSource.dll

Microsoft.Windows.Build.Appx.AppxPackaging.dll.manifest

Microsoft.Windows.Build.Appx.AppxSip.dll.manifest

Microsoft.Windows.Build.Appx.OpcServices.dll.manifest

Microsoft.Windows.Build.Signing.mssign32.dll.manifest

Microsoft.Windows.Build.Signing.wintrust.dll.manifest

midlrtmd.dll

mrmsupport.dll

msisip.dll

mssign32.dll

opcservices.dll

provisioningtesthelper.dll

ProvisioningTestHelper.psd1

pvk2pfx.exe

signtool.exe

signtool.exe.manifest

tedutil.dll

wintrust.dll

wintrust.dll.ini

wsutilhelper.dll

these are obtainable via the windows kits (for uwp development) in visual studio

no compiled build yet as it is still wip kinda (the backend is finished but the GUI has a couple issues)
 
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Cannon007

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So I guess my hunch was right that a lot of the eappxs use the universal key. My assumption is also the big studios probably are more aware of how to use the encryption properly and they’d be different. The xbox itself probably has an encryption key hidden in it’s files to that would allow for even more eappxs to be decrypted.
 

tunip3

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So I guess my hunch was right that a lot of the eappxs use the universal key. My assumption is also the big studios probably are more aware of how to use the encryption properly and they’d be different. The xbox itself probably has an encryption key hidden in it’s files to that would allow for even more eappxs to be decrypted.
this is not related to eappx at all
 

tunip3

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I was going by what you said in the tutorial where you were able to repack them to appx.
Yeah the method is just not to mess with eappx and to repack once installed skipping decrypting the eappx entirely

--------------------- MERGED ---------------------------

If it contains copyrighted code then no, you cannot post it.
Ok but the same applies to the appxs available on the site
 
Last edited by tunip3,

DinohScene

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There should be some disambiguation here. Commercial code isn't allowed. These DLLs are freely available to redistribute as people want. This SDK isn't like Nintendo's.

That's why I said "if it contains copyrighted code then no".
If it doesn't then you're free to post it here.
 

tunip3

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added the option to disable semantic validation within makeappx

the validation ensures that:

  • All files referenced in the package manifest are included in the app package.
  • An application does not have two identical keys.
  • An application does not register for a forbidden protocol from this list: SMB , FILE, MS-WWA-WEB, MS-WWA.
 

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