A blog post about replacing my Sophos UTM with an OPNsense firewall

IPW Systems Metazo had an unauthenticated SSTI that was leading to RCE in it. An unprotected route would happily just evaluate smarty template language leading to unauthenticated RCE directly.

This blog post tells the weird story on how I unexpectedly attended the training for Advanced Windows Exploitation (OSEE) in London

This blog post will give an insight into the world of becoming an Offensive Security Exploit Developer and concluding the journey to OSCE³

Kardex MLOG has an insecure path join, which allows to include files locally or from a remote smb server. In combination with the template rendering of .t4 files a SSTI is possible and allows for RCE. This blog post will describe how I found this vulnerability and how to leverage it to gain a reverse shell.

In this blog post I want to test the new ChatGPT AI and see if I can design a ctf challenge written in golang aided by the AI.

This blog post will give an insight into the world of becoming an Offensive Security Web Expert and how it did compare to OSEP

In this post I will explain when CSRF can be a serious issue. I will use an example for which I got promoted $2.400 as bounty.

This blog post will describe my adventure with the german armed forces and how I earned more than just a lousy T-Shirt. Topic: Vulnerability Disclosure Policy - Deutsche Bundeswehr

This blog post will give an insight into the world of becoming an Offensive Security Experienced Penetration Tester as I have experienced it