https://skilo.sh/My personal blog where I'll post write-ups and articles related to cybersec, math, ... 2025-11-20T19:20:18+01:00 skilo https://skilo.sh/ Jekyll © 2025 skilo /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png 2025-11-20T07:00:00+01:00 2025-11-20T07:00:00+01:00 https://skilo.sh/posts/nobracketsctf-2025-write-up-de-mes-challenges/ skilo

Le NoBracketsCTF est un CTF à destination des lycéens organisé par le club de CTF de mon école : GCC-ENSIBS, il se déroule en deux phases : qualifications (du 17 au 19 Octobre 2025, TODO équipes de 5 personnes participantes) et finale (de 10h15 à 17h15 le 19 Novembre 2025). Voici un tableau récapitulant mes challenges, leur difficulté et leurs thématiques : Challenge Tags...

2025-11-19T21:00:00+01:00 2025-11-19T21:00:00+01:00 https://skilo.sh/posts/amateursctf-2025-write-up-of-crypto-challenges/ skilo

Challenge Tags Points Solves aescure AES 50 126 uncrackable One Time Pad, RNG 58 96 division LLL 162 53 triangulate LCG 200 42 aescure Points : 50 Solves : 126 Description : this is definitely not secure bu...

2025-05-24T17:45:00+02:00 2025-05-24T17:45:00+02:00 https://skilo.sh/posts/interiut-2025-write-ups-de-mes-challenges/ skilo

Cet article contient les write-ups de mes challenges pour l’InterIUT 2025, c.-à-d. : [Reverse] “bzhash”, difficulté : Facile ; [Crypto] “Revenu de Solidarité Active (RSA)”, difficulté : Très facile ; [Crypto] “lowtropy”, difficulté : Facile ; [Crypto] “C’est toi l’OTP !”, difficulté : Difficile. [Reverse] “bzhash”, difficulté : Facile Après rétro-ingénierie du binaire “bzhash”, nou...

2024-01-21T19:00:00+01:00 2024-01-21T19:00:00+01:00 https://skilo.sh/posts/hackday-2024-write-up-des-challenges-de-crypto/ skilo

The following article will describe the solutions to all the crypto challenges from HackDay 2024 CTF - a CTF for which my team and I managed to qualify for the finals ! Baby Cryptography Statement Among the exchanges recovered between the Union agents we also saw an encrypted message. He must be talking about something important. That is why we ask you to decipher the communication. We know ...

2023-08-28T19:17:05+02:00 2023-08-28T19:17:05+02:00 https://skilo.sh/posts/reversing-ue-boom/ skilo

This article provides code and informations for controling the Bluetooth connection of a UE Boom speaker. The goal of this project is to control the speaker remotely, enabling functions such as power on/off and battery status retrieval. The reverse engineering process involves analyzing GATT requests, decoding the communication protocol, and interacting with the speaker using bluetoothctl and D...