Ethical Hacker — Cybersecurity Engineering @ EPITAhttps://hugosibony.com/https://hugosibony.com/blog/wifi-epita/https://hugosibony.com/blog/wifi-epita/Connect to IONIS Wifi on LinuxMon, 08 Sep 2025 15:14:36 GMTnoteshttps://hugosibony.com/blog/attack-defense-tricks/https://hugosibony.com/blog/attack-defense-tricks/Compilation of Dirty RedTeam TricksFri, 05 Sep 2025 15:14:36 GMTtrickshttps://hugosibony.com/writeups/fcsc/2025/crypto/abcxy/https://hugosibony.com/writeups/fcsc/2025/crypto/abcxy/A Diophantine puzzle involving linear equations, perfect squares, and a Pell equation.Sat, 19 Apr 2025 00:00:00 GMTCryptohttps://hugosibony.com/writeups/fcsc/2025/forensics/analyse-memoire-1/https://hugosibony.com/writeups/fcsc/2025/forensics/analyse-memoire-1/Analyse d'une capture mémoire pour identifier un malware exfiltrant des données.Sat, 19 Apr 2025 00:00:00 GMTForensicshttps://hugosibony.com/writeups/fcsc/2025/forensics/analyse-memoire-2/https://hugosibony.com/writeups/fcsc/2025/forensics/analyse-memoire-2/Identification du processus ayant chargé le malware en mémoire.Sat, 19 Apr 2025 00:00:00 GMTForensicshttps://hugosibony.com/writeups/fcsc/2025/forensics/backdoor/https://hugosibony.com/writeups/fcsc/2025/forensics/backdoor/Analyse d'un backup iOS pour identifier une backdoor dans une application.Sat, 19 Apr 2025 00:00:00 GMTForensicshttps://hugosibony.com/writeups/fcsc/2025/forensics/itreasure/https://hugosibony.com/writeups/fcsc/2025/forensics/itreasure/Analyse d'un backup iOS pour retrouver un trésor caché dans les messages.Sat, 19 Apr 2025 00:00:00 GMTForensicshttps://hugosibony.com/writeups/fcsc/2025/hardware/chat/https://hugosibony.com/writeups/fcsc/2025/hardware/chat/Décodage de signaux DSSS avec codes de Gold dans un fichier audio contenant du bruit de chat.Sat, 19 Apr 2025 00:00:00 GMTHardwarehttps://hugosibony.com/writeups/fcsc/2025/hardware/mechanical-display/https://hugosibony.com/writeups/fcsc/2025/hardware/mechanical-display/Décodage d'un flag transmis via un servomoteur contrôlé par un signal PWM capturé dans un fichier VCD.Sat, 19 Apr 2025 00:00:00 GMTHardwarehttps://hugosibony.com/writeups/fcsc/2025/hardware/tempest/https://hugosibony.com/writeups/fcsc/2025/hardware/tempest/Reconstruction d'un signal vidéo PAL composite à partir d'un flux échantillonné à 20 MHzSat, 19 Apr 2025 00:00:00 GMTHardwarehttps://hugosibony.com/writeups/fcsc/2025/reverse/babyfuscation/https://hugosibony.com/writeups/fcsc/2025/reverse/babyfuscation/Reverse engineering challenge involving a binary with obfuscated function names and custom string comparison.Sat, 19 Apr 2025 00:00:00 GMTReversehttps://hugosibony.com/writeups/fcsc/2025/forensics/iforensics_icrash/https://hugosibony.com/writeups/fcsc/2025/forensics/iforensics_icrash/Retrouver le SSID, le BSSID et le compte iCloud à partir d'un backup et d'un sysdiagnose iOS.Fri, 18 Apr 2025 00:00:00 GMTForensicshttps://hugosibony.com/writeups/fcsc/2025/misc/alices_music_collection/https://hugosibony.com/writeups/fcsc/2025/misc/alices_music_collection/Identify a song using audio fingerprinting from a misconfigured MPD server.Fri, 18 Apr 2025 00:00:00 GMTMischttps://hugosibony.com/writeups/fcsc/2025/misc/ja4a4a4do0o0ore_ssh/https://hugosibony.com/writeups/fcsc/2025/misc/ja4a4a4do0o0ore_ssh/Identifier la session SSH interactive d'un attaquant et extraire les cookies SSH d'une capture réseau.Fri, 18 Apr 2025 00:00:00 GMTMischttps://hugosibony.com/blog/stable-reverse-shell/https://hugosibony.com/blog/stable-reverse-shell/Steps to stabilize a shellTue, 08 Apr 2025 15:14:36 GMTnoteshttps://hugosibony.com/writeups/rootme/2025/dgse/mission1_ia/https://hugosibony.com/writeups/rootme/2025/dgse/mission1_ia/Mission 1: Trick the AI chatbot to give the leaked data keyTue, 08 Apr 2025 00:00:00 GMTIAhttps://hugosibony.com/writeups/rootme/2025/dgse/mission4_pentest/https://hugosibony.com/writeups/rootme/2025/dgse/mission4_pentest/Mission 4: Intrude the application to get the attack plansTue, 08 Apr 2025 00:00:00 GMTpentesthttps://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_1/https://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_1/Simple password cracking — reading a hardcoded password from Python source.Sun, 12 May 2024 00:00:00 GMTGeneralhttps://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_2/https://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_2/Password check bypass — extracting a hashed comparison value from Python.Sun, 12 May 2024 00:00:00 GMTGeneralhttps://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_3/https://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_3/Brute-forcing a password from a small candidate list against a hash check.Sun, 12 May 2024 00:00:00 GMTGeneralhttps://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_4/https://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_4/Scripted brute-force over a larger password list with hash verification.Sun, 12 May 2024 00:00:00 GMTGeneralhttps://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_5/https://hugosibony.com/writeups/picoctf/2022/general_skills/pw_crack_5/Dictionary attack with custom hash — optimizing search over a large wordlist.Sun, 12 May 2024 00:00:00 GMTGeneralhttps://hugosibony.com/writeups/epita/epirootkit/tux_fan_club/https://hugosibony.com/writeups/epita/epirootkit/tux_fan_club/Une chasse au trésor pirate impliquant des fichiers cachés et de la stéganographieFri, 12 Apr 2024 00:00:00 GMTSYS2