ndtsec.io
  • Home
  • Writeups
  • Blog
  • Team
  • About

Rc4

Medium

Task 4 - Unpacking Insight

Sep 28, 2025
malware-analysis reverse-engineering anti-debug rc4 ghidra ida gdb packing

This is part of a series on the 2025 NSA Codebreaker Challenge. Start from the beginning.

Challenge

Back at NSA, you are provided with a copy of the …

Easy

CryptPad

Feb 14, 2025
reversing crypto rc4 xor windows

Challenge Description

We found this on an old machine. Can you decrypt it?

Files provided:

  • cryptpad.exe - Windows PE32 executable (encryption tool) …

ndtsec.io

Security research & CTF writeups by CBC Skibidis.

Sections

  • Home
  • Writeups
  • Blog
  • Team
  • About

Platforms

  • HackTheBox
  • CrackMes.one
  • NSA Codebreaker

© 2026 ndtsec.io — CBC Skibidis