Brachiosaure

Description

Do you like QRCodes? Your task is to write a keygen for this binary. Once you are done, you can validate its correctness on the web service provided which generates a random username every 5 seconds.

Files

docker-compose.yml
brachiosaure
18.38 KiB – 4d4239e5e848e89a4ba6a123b87bc09bee1f6e8a2a8bf0cab085a66a3b7a625f

Author

Cryptanalyse

Challenge Instructions

First, download docker-compose.yml:
curl https://hackropole.fr/challenges/fcsc2023-reverse-brachiosaure/docker-compose.public.yml -o docker-compose.yml
Launch the challenge by executing in the same folder:
docker compose up
Access the challenge at http://localhost:8000/.

⚠️ Important: You must solve the challenge by interacting with the Docker container through the exposed network port. Any other way is not considered valid.

In case you encounter problems, please consult the FAQ.

Flag

You don't have JavaScript actived. No problem! You can check your flag like this: echo -n 'PUT_THE_FLAG_HERE' | sha256sum # possible output: 1dc404d6528284b9fb2631bee4665178ee47e0c1faf761cd3720a2d1d614fbf2

Writeups

I've been looking for a long time and I still can't find the flag!

You can vote for the solutions you prefer by using the on their respective pages.

Date	Author	Language	Tags	Vote
2023-12-16	StroppaFR	🇬🇧