Skip to content
heschl.dev
A computer monitor prompting the user for a password entry. A bunch of flowers to the right side of the monitor, a coffee mug to the left.

Musings on Technology

I sometimes write about Technology, Cybersecurity and keep public notes on this site.
Explore the blog View PwnMemo

Latest articles


2/14/2025

Spell/MVM Checkers CTF Author Writeup

Spell/MVM Checkers was a CTF challenge I wrote for the ECSC Vienna bootcamp 2024. The challenge was also plaed at x3CTF feat. mvm 2025.

#x3CTF#libmagic#mvm

Welcome new employee! As you are aware, we at SpellCheckers MVMCheckers Inc. are the foremost experts at creating magical days for our clients. Please fell free to explore our administration application. Be aware that we are currently rebuilding the system using our proprietary, cutting edge interpreter.
2/3/2025

Debugging PHP in a Docker container with PhpStorm

This post explains how to debug PHP running in a Docker container with PhpStorm.

#PHP#Docker#PhpStorm

A screenshot of the quizzing section of this challenge. "Question 1. What is the meaning of life? 42, There is no meaning, To be happy, To help others."
3/25/2024

openECSC 2024 – Life Quiz CTF Writeup

Life Quiz was a web challenge in round 1 of 2024's openECSC

#PHP#Race Conditions#Command Injection

A screenshot of the quizzing section of this challenge. "Question 1. What is the meaning of life? 42, There is no meaning, To be happy, To help others."