Hugo Lefèvre hlefevregit

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`> whoami`

Full-Stack Engineer · Security Researcher · 42 Nice

Apprentice @ SolidShield — Building secure systems, breaking them apart, understanding why.
From bare-metal C to Kubernetes clusters. From ELF internals to TLS handshakes.

_{Le Bassin aux Nymphéas — Claude Monet, 1899}

`> skills --list`

Systems & Security

Full-Stack

Infrastructure & DevOps

`> stats`

`> ls projects/`

🔴 Security & Reverse Engineering

Project	Description	Score
snow-crash	CTF trilogy #1 — multi-domain challenges (web, binary, network). w/ Camille	`125%`
rainfall	CTF trilogy #2 — Buffer overflows & format string exploits. Reverse + PWN. w/ Camille	`125%`
override	CTF trilogy #3 — Buffer overflows & format string exploits. Reverse + PWN. w/ Camille	`125%`
woody-woodpacker	Virus branch #1 — ELF64 packer with compression stub in C & ASM	`pending`
Famine	Virus branch #2 — Polymorphic signature injector. Full Assembly	`pending`
ft_malcolm	Simplified ARP spoofing / MITM in C	`100%`
tinky-winkey	Windows keylogger running as a service (educational) w/ Maxime	`100%`
ft_ssl_md5	MD5 & SHA-256 reimplementation from scratch	`100%`
ft_ssl_des	Base64 + DES (ECB/CBC) encryption from scratch	`100%`

🟠 Systems & Low-Level

Project	Description	Score
ft_strace	`strace -c` reimplementation using `ptrace()`	`125%`
ft_malloc	`malloc()`, `realloc()`, `free()` reimplemented	`100%`
ft_nm	ELF symbol table reader — `nm` reimplementation	`125%`
ft_ping	`ping` reimplementation with flags	`125%`
ft_traceroute	`traceroute` reimplementation with flags	`125%`
Libasm	Standard libc functions reimplemented in x86-64 ASM	`125%`
Matt_daemon	C++11 daemonized server with encrypted comms + GUI client. w/ Natasha	`125% ⭐`
Philosophers	Dining philosophers — threads & mutex	`100%`
libftpp	C++11 utility library (on-going)	`🚧`

🟡 Infrastructure & DevOps

Project	Description	Score
Inception Of Things	k8s, k3s + CI/CD with ArgoCD on GitHub/GitLab. w/ Maxime	`125%`
Inception	Docker Compose stack: Nginx, MariaDB, WordPress + bonuses	`125%`
Cloud-1	Inception, but deployed on a live VPS. w/ Héliam	`100%`

🟢 Full-Stack & Web

Project	Description	Score
ft_transcendence	Final Common Core project — real-time multiplayer Pong with auth, chat, stats. w/ Louis, Léo, Evan	`125%`
ft_irc	IRC server in C++ — channels, modes, operators. w/ Louis	`125% ⭐`
42 x EDHEC	Mobile app: virtual fridge + diet-compliant recipe community hub. 🥇 Public Prize	—
swingy	Java RPG with terminal & Swing GUI clients	`125% ⭐`
avaj-launcher	Java flying objects simulator — design patterns	`100%`
ft_ality	Finite-state automaton + functional programming intro. w/ Léo	`120%`

🔵 Machine Learning

Project	Description	Score
multilayer-perceptron	From-scratch MLP (forward/backprop, 5 optimizers, early stopping) for breast cancer diagnosis	`125%`
ft_linear_regression	Linear regression from scratch w/ gradient descent — car price prediction	`110%`

⚪ Fundamentals

Project	Description	Score
cub3d	Raycasting FPS engine in C. w/ David	`125%`
Minishell	Bash-like shell reimplementation. w/ David	`100%`
NetPractice	Subnetting & network configuration	`100%`
Push Swap	Sorting algorithm on a stack — algorithmic complexity	`90%`
Pipex	Unix pipes & redirections	`125%`
So Long	2D tile game with MiniLibX	`118%`
CPP_Modules	C++ fundamentals: OOP, templates, STL, exceptions	`100%`
Libft + GNL + Printf	Foundation libraries	`125%`

`> cat /dev/music`

_{Don't forget to ⭐ repos if you find them useful.}

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