Hacking and random thoughts


Sending large packets in SSH

I have been having troubles with a question where I had to test that an SSH implementation drops (or reject) packets greater than 262144. Thus, after reading the RFCs and the SSH protocol standard, I had only two solution I found is implement my own SSH protocol, or (easy and chose ...

Basic Linux binary analysis tips

Tips and useful commands for analyse binaries from determining the file to debugging.


The purpose of this post is have a easy and fast guide for the firsts steps of reversing. Obviously reverse engineering is a world and also if you play CTF this guide will not be use...

Fixing chinese Bluetooth dongle for Linux

Most of cheap Bluetooth dongles from Aliexpress do not work natively in Linux. I have been looking the source code of Bluetooth Linux driver looking for this problem and I have found that it is because some of these dongles are blacklisted because they are using for malicious actions. Thus if you...

write4 challenge of Rop Emporium

Over the past few days I have not enough time to write and play CTF games, but yesterday I had a little bit of time, so I searched a bit about websites which has challenges about exploiting, I found a lot of websites with these kind of challenges t...


© 2021 Manu