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Achievement: YOLOAchievement: Pull Sharkx2

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daniel-ploetzl/README.md

Daniel Plötzl

42 Vienna graduate (Common Core, April 2024 - June 2026), now in the 42 Mastery programme specialising in DevOps & Infrastructure and Cybersecurity. 42 Vienna is part of the 42 Network, the world's largest IT school network (50+ campuses, 30+ countries), ranked 3rd in the 2026 WURI innovation ranking ahead of MIT (5th) and Stanford (7th) on that list.

Hands-on experience with process lifecycle manipulation, ephemeral execution environments and forensic visibility analysis, session-level exploitation, endpoint simulation and detection analysis in controlled environments - alongside Linux systems administration, virtualisation and containerisation from project-based coursework.

Core Areas

  • System exploitation and session control mechanisms: setsid, process groups, signal handling
  • Ephemeral execution: runtime isolation and persistence boundaries in volatile memory environments
  • X11 internals: window manager bypass, input grabbing, session takeover
  • USB HID simulation: user input emulation and endpoint testing
  • Linux systems administration: partitioning, user and permission management, service hardening, cron-based monitoring

Current Focus

  • 42 Mastery: Inception-of-Things (Kubernetes clusters, CI/CD pipeline) and Cloud-1 (cloud server infrastructure)
  • Self-directed infrastructure lab: KVM/libvirt, Ansible, Terraform, Kubernetes (k3s), Prometheus/Grafana, GitLab CI/CD
  • Penetration testing fundamentals through system-level experimentation
  • Developing offensive security labs in controlled environments

🛠️ Tech Stack

Operating Systems & Tools

Linux Windows Git

Coding

C C++ Bash

Tools & Environment

Neovim Tmux Docker VirtualBox Wireshark Nmap

🧪 Currently Building

Ansible Terraform Kubernetes Prometheus Grafana GitLab CI

📁 Selected Projects

  • 🖥️ x11-lab - X11 input grabbing, window manager bypass and session takeover
  • ⌨️ hid-lab - USB HID input simulation via embedded hardware (Raspberry Pi Pico 2)
  • ⚙️ proc-lab - Process group detachment, signal handling and lifecycle control
  • 💾 ram-workspace-lab - Runtime isolation and persistence boundary analysis in volatile memory
  • 🐳 inception - Containerised multi-service infrastructure: one service per container, isolated Docker networks, TLS, no third-party images
  • 🔒 ft_transcendence - Team project; WAF (ModSecurity, OWASP CRS) and secrets management (HashiCorp Vault) module

Pinned Loading

  1. x11-lab x11-lab Public

    Xlib program that takes full control of an X11 session from user space using standard POSIX and X11 primitives.

    C

  2. hid-lab hid-lab Public

    USB Human Interface Device (HID) simulation project for studying user input behaviour and endpoint activity detection

    C

  3. proc-lab proc-lab Public

    Bash-based lab tool for analysing Linux process lifecycle, session behaviour and runtime execution patterns

    Shell

  4. ram-workspace-lab ram-workspace-lab Public

    Execution environment relocated to memory, with explicit encrypted persistence, to analyse runtime visibility versus stored artifacts

    Shell

  5. ft_transcendence ft_transcendence Public

    Team project built for 42 Vienna's ft_transcendence. My contribution: Web Application Firewall (ModSecurity, OWASP CRS Paranoia Level 2) and secrets management (HashiCorp Vault)

    TypeScript

  6. inception inception Public

    Building a small Docker-based infrastructure with NGINX, WordPress and MariaDB

    Shell