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Writeup for Pwnable.tw #6

Introduction During christmas, I had some spare time, decided to give pwnable.tw another try and began solving challenge #6: You can connect to a service using nc chall.pwnable.tw 10101 The service binary dubblesort and its libc are available for download Your goal is to send malicious input and spawn a shell So, let’s connect to […]

Writeup for Pwnable.tw #4

Introduction Last reversing CTF was so much fun, I started directly with the next challenge. For me, it was a very hard one and it took me several weeks (although I recognized, after reading other peoples solutions my approach was far too complex ;). Nevertheless, it is still interesting and I want to describe the […]

Writeup for Pwnable.tw #3

Introduction On our last hackathon, Malfunction, Scotch and me tried to beat several CTFs. This article sums up the results of challenge #3 on pwnable.tw. The basic settings are: A calculator service runs on chall.pwnable.tw, port 10100. The corresponding calc binary can be downloaded for analysis. Send malicious input to the calculator to spawn a […]

Genesis2Amiga Gamepad Adapter

We love retro computing. Especially the Commodore Amiga is great device with lots of games. Each of them can be enjoyed on an emulator, but I prefer real hardware. Unfortunatly, 30 years old joysticks tend to malfunction. Furthermore, it is more comfortable to use a gamepad. Therefore, I was searching for a new gamepad which […]

Buying an Amiga in 2017

We (like many others) grew up with Commodore personal computers and still love their devices. Especially the Amiga with its advanced graphics capatibilities was ahead of its time. Even nowadays, it is still fun to write code and play games. Therefore, we published an article at the nullsecurity platform which describes what has to be […]

Atari (Lightgun) Homebrews

Introduction My first gaming console was an Atari 2600 Junior. Although it is not very powerful, i loved the device. When i became older, it was replaced by an Nintendo Entertainment System, SNES, etc. Decades later, i bought my first modem and entered the internet. I also remembered my old Atari 2600 and looked for […]

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