Modifying .NET Exe: Encrypt to Decrypt [HackTheBox Coder]

In the Coder box from HackTheBox, I get a encryption executable and an encrypted file. In this video, I'll use DotPeek and Visual Studio to create a decryptor program and decrypt the file. HackTheBox Coder: https://www.hackthebox.com/machines/coder Coder Blog Post: https://0xdf.gitlab.io/2023/12/16/htb-coder.html DotPeek: https://www.jetbrains.com/decompiler/ ☕ Buy Me A Coffee: https://www.buymeacoffee.com/0xdf [00:00] Introduction [00:49] Reversing with DotPeek [02:07] Export to VS Project [02:56] Making sure code runs [03:16] Replacing arg parse with hardcoded input / output [04:21] Hardcoding datetime for random seed [06:22] EncryptFile to DecryptFile [07:37] Checking output in Linux VM [08:13] Review and Conclusion #pentest #ctf #bugbounty #csharp #dotpeek #visualstudio