Cybersecurity Notes

Cybersecurity Notes

Welcome to my cybersecurity blog. Here you’ll find CTF writeups, security research, and technical notes.

Browse my writeups to learn about web hacking, binary exploitation, reverse engineering, and network security challenges.

Latest updates

BlueTag SPI Firmware Dump

Dec 21, 2025 • Research

CVE-2025-65817: LSC Smart Connect Camera SD-Card Update Hook

Nov 15, 2025 • Research

Part 2: Process Injection Guide

Oct 27, 2025 • Maldev

Part 1: Shellcode Injector Guide

Oct 27, 2025 • Maldev

Writeups

FCSC 2025 - xortp

Apr 27, 2025 •
pwn buffer-overflow xor

Breizh CTF 2025 - Otis 10

Apr 14, 2025 •
pwn use-after-free heap-exploitation

Breizh CTF 2025 - Metamorph

Apr 14, 2025 •
pwn shellcode exploitation

Breizh CTF 2025 - JackPwn

Apr 14, 2025 •
pwn buffer-overflow exploitation

FCSC 2024 - Challenge de Reverse Engineering

Apr 27, 2024 •
reverse reverse-engineering assembly cryptography

Web Fuzzing - HTB Course WriteUp

Apr 14, 2024 •
web fuzzing pentest htb

PwnMe Junior 2025 - overflowme WriteUp

Apr 14, 2024 •
pwn buffer-overflow ctf pwnme

PwnMe Junior 2025 - Overflowme

Apr 14, 2024 •
pwn buffer-overflow exploitation

PwnMe Junior 2025 - Evil-Hackers WriteUp

Apr 14, 2024 •
pwn use-after-free ctf pwnme

PwnMe Junior 2025 - Evil Hackers

Apr 14, 2024 •
pwn use-after-free exploitation

Pentesting SNMP - WriteUp rapide

Apr 14, 2024 •
pentest network snmp

GDB and NASM Assembly Guide - WriteUp

Apr 14, 2024 •
reverse assembly gdb nasm debugging reverse-engineering

Cyber Apocalypse 2024 - SealedRune

Apr 14, 2024 •
reverse binary-analysis decompilation

Cyber Apocalypse 2024 - ImpossibleMaze

Apr 14, 2024 •
reverse binary-patching terminal-size

Cyber Apocalypse 2024 - EndlessCycle

Apr 14, 2024 •
reverse binary-analysis xor-decryption

Cyber Apocalypse 2024 - EncryptedScroll

Apr 14, 2024 •
cyber apocalypse reverse character manipulation encryption

Cyber Apocalypse 2024 - BoxOfCourios

Apr 14, 2024 •
reverse binary-analysis obfuscation