Root Network Security

Pwnable.kr - uaf

In this challenge we’re going to cover some basics behind the use-after-free bug in some C++ code.

Pwnable.kr - passcode

To my surprise, I’ve noticed that I have missed one previous challenge called passcode. Let’s come back to it.

Vulnhub.com - JIS-CTF

Today we’re going to work on a challenge from Vulnhub called JIS-CTF.

Blockchain challenge

I got this challenge from my friend Yodak, with simple instruction - become a millionaire. At first we are presented with a webpage containing 2 forms - register and login.

Pwnable.kr - cmd2

Start by connecting to the server, with the password from the previous challenge.