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Windows 8 RDP Hack

posted Aug 12, 2016, 4:20 PM by Dong Xu   [ updated Aug 12, 2016, 4:24 PM ]
Need to stop RDP service and change ownership of termsrv.dll file to the current user. After the patch, re-start the RDP service.

November 2014 update for Windows 8.1 

(64bit)

Windows updates now updated termsrv.dll file from version 6.3.9600.17095 to 6.3.9600.17415. File size changed from 1,018,880 bytes bytes to 1,114,624 bytes.

To restore concurrent RDP sessions, use any HEX editor and replace (used Notepad++ with Hex editor plug-in):

39 81 3C 06 00 00 0F 84 D3 1E 02 00

with

B8 00 01 00 00 89 81 38 06 00 00 90

You can download a patched version from here. You will need to stop Remote Desktop services and possibly take ownership of termsrv.dll before you can update it.

Original unpatched v6.3.9600.17415 can be downloaded from here.

(32bit)

I don't have any 32bit machines and haven't tested this myself, but guys on mydigitallife forums suggest to replace:

3B 81 20 03 00 00 0F 84 2A D5 00 00

with

B8 00 01 00 00 89 81 20 03 00 00 90

 

Update May 2015

As of 05.2015, the same November 2014 patch is still working on up to date Windows 8.1. termsrv.dll is still on version 6.3.9600.17415.


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