Hacking News server_switch_sides

Published on December 31st, 2017 | Post Views: 4,135  HitsPost Views

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TeamViewer Permissions Hook: injectable C++ dll to change TeamViewer permissions

A proof of concept injectable C++ DLL, that uses naked inline hooking and direct memory modification to change TeamViewer permissions.

Features

  • As the Server – Enables extra menu item options on the right side pop-up menu. Most useful so far to enable the “switch sides” feature which is normally only active after you have already authenticated control with the client, and initiated a change of control/sides.
  • As the Client – Allows for control of the mouse with disregard to servers current control settings and permissions.

Install

Requirements

  • Your favorite Manual Mapper, PE Loader, DLL Injector, inject into – “TeamViewer.exe”
  • This version was Built on Windows 10, for TeamViewer x86 Version 13.0.5058 – (Other versions of TeamViewer have not been tested but with more robust signatures it may work, Linux not supported)

Download

git clone https://github.com/gellin/TeamViewer_Permissions_Hook_V1.git

Usage

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As the Server

 

Client

 

Rundown

  • Utilizes signature/pattern scanning to dynamically locate key parts in the code at which the assembly registers hold pointers to interesting classes. Applies inline naked hooks a.k.a code caves, to hi-jack the pointers to use for modification via direct memory access to their reversed classes.
  • Inject and follow the steps

Disclaimer

  • Developed for educational purposes as a proof of concept for testing. I do not condone the or support the use of this software for unethical or illicit purposes. No responsibility is held or accepted for misuse.

Credit

@timse93 – Research and Testing

Source: https://github.com/gellin

 








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