Hello dear individual or bot, visiting my website. Welcome to my small homepage. Please enjoy the content I put on here, learn about projects I work(ed) on and find out how to contact me.

$ whoami

Hi, my name is Rico. I am from Germany and I got a bachelor's degree in information technology. I am working in IT-Security for an IT service provider for banks. Apart from that I am very interested in malware research, infosec, vulnerabilities and exploits, bug bounty, CTFs and everything related to that. I also run a blog where I publish various stuff such as writeups of malware analysis, coding adventures, tools and software I use or find useful and a lot more. Since I only publish stuff when I come across something worth sharing, don't expect regular posts.

$ ls Projects

Our modern world heavily benefits from and depends on open-source software (as Randall Munroe humorously depicts in his comic strip "Dependency"). I think that more individuals and companies should release their software under open-source licenses. Hence I released all the projects I developed in my spare time on GitHub.
This project aims to be a drop-in replacement for the official certstream server by Calidog. This tool aggregates, parses, and streams certificate data from multiple certificate transparency logs via websocket connections to the clients. Developers can use this project to analyze newly created TLS certificates as they are issued.
A python tool for scraping public pastes from pastebin. Although you can scrape and store every single post. But that alone would be pretty boring. So I added functionality to search the pastes e.g. via regex to check if the content contains certain patterns and execute certain actions when matched!
When Telegram released their bot platform I was very hyped to create my own bot. That was around the same time when I started learning Python. So I thought it might be a good idea to learn Python with that project. I created the @BlackJackBot on Telegram in Python on March 23rd 2016.
A while after I created the BlackJackBot, I found myself in the need for a bot for the German price comparison website Geizhals. The bot should notify you when the price for a selected product changes. And that's exactly what it does!
There are a lot of 433 MHz controlled remote devices - many even used for smart home stuff. I started doing smart home stuff in late 2017/early 2018. In the beginning I bought some remote controlled power outlets to control my lights, which use the 433 MHz band. I wanted to control these outlets via my phone, so I bought a bridge device, which enabled me to control them via ethernet. I ended up with writing a small library called pyBrematic to automate actions.
When managing several servers, you often find yourself in a need of making backups. I searched for tools online that could make it into a painless experience but never found an easy-to-use, lightweight, portable, CLI tool which is easy to configure and does not need a remote server for backups. That's why I created backmeup. It runs off a config file and outputs zip-files.

If you want to contact me, that's actually pretty simple. You can find me either on Twitter, Telegram, GitHub, Discord or on LinkedIn.