It’s been a while since I have done a write-up and I am happy to say I’m back with one! This is the 5th machine I’ve done for my OSCP preparation so let’s get started! Also, I have a few more write-ups in the bank so I’ll get to it…

This is the 4th machine that I have done for my OSCP preparation. I learned some new tools for this one! So, let’s get into it!

This will be the 3rd machine that I will be attempting for my OSCP preparation. I have to be honest here, I got stuck on an easy challenge but let’s get into it!

This is the second machine that I have pwned for my OSCP preparation. Without further ado, let’s get into it!

This is the write-up for the first machine I pwned for my OSCP preparation. So, with that said let’s get into it! Host Discovery and Port Scanning

Steganography challenges are often data which is hidden in images or audio files. However, this challenge is the most creative challenge I have ever seen. I had difficulty doing this as there is no available writeups for this challenge. …

The challenge gave us the source code of the vulnerable binary, which is hosted on mercury.picoctf.net on port 16439. So let’s take a look at the source code, starting from the main function.