Official source code and writeups for niteCTF 2024! - Cryptonite-MIT/niteCTF-2024.

247CTF is a security learning environment where hackers can test their abilities across a number of different Capture The Flag (CTF) challenge categories including web, cryptography, networking, reversing and exploitation.

Dec 19, 2024 · Even though I wasn’t able to attend this fantastic CTF, I’ll try my hand in solving these really well-crafted challenges. Props to the Cryptonite team and all the challenge creators.

niteCTF is a jeopardy style Capture the Flag event (CTF) for students interested in cybersecurity. It is designed to help students explore newer domains in cybersecurity as well as help existing professionals practice their skills.

Description: niteCTF is a jeopardy style CTF for students interested in cybersecurity. It is designed to help students explore newer domains in cybersecurity as well as help existing professionals practise their skills.

We would like to show you a description here but the site won’t allow us.

CtrlK. Sibivasan. LinkedIn Github HackTheBox Twitter

Jan 20, 2024 · From humble beginnings to an international event, KnightCTF has evolved, but our core mission remains the same: to empower and unite cyber knights, defend the digital realm, and champion the principles of chivalry in code. Md. Moniruzzaman Prodhan, also …

Dec 16, 2024 · nite_strの最初の16文字とPasswordを連結させたものがKeyのようです。AESの性質上、Passwordは16文字だろうことが分かります。 Flagが暗号化されてるファイルはこの時点でv43cc23をみにいけばいいです。 このバイト文字列は以下のようにデバック途中で現れます。

Encrypt an arbitrary plaintext with the RSA parameters. Show you an encrypted flag. There’s a few bugs in the implementation that help us and a few bugs that hinder us. Let’s explain. This is how the large primes are chosen: The first bug is that the prime selection method is really weak for RSA. It wants “sexy primes”.