RoboThiefClient - A Telegram session stealer
While scrolling through a Telegram group, I recently (late december 2019) found a tool that claimed to add fake followers to your Telegram channels. That was...
Posts by Category
Malware Analysis
Analysis of a JSE malware
On Thursday the 15.08.2019, our company received a shady mail and due to a smart employee, we got hold of the malware sample and could analyze it right away....
Misc
Welcome to my blog - the first post
Hello and welcome. It’s nice to see that you found your way to my blog.
CTF
CSCG - Writeup for the ‘Intro to Reversing’ challenges
This post is a writeup for the three intro reversing challenges for the CSCG 2020. It should give you an idea on how to approach such challenges. Since those...
Networking
ZeroTier - A smart p2p VPN solution
Abstract / tl;dr ZeroTier is an open source, lightweight P2P VPN solution that helps you connect clients directly. It can be used for gaming, file sharing o...
Debugging
Quote unquote - How not to encode passwords
My approach to debugging an issue in Outlook
Malware
Telegram account hijacking via bots
Today a user contacted us in @BotTalk on Telegram. He wrote that his bot was sending “weird messages”. I had a short chat with him about it and it quickly tu...