Whiskers in the dark (Harder)

Description

As Alice wandered through the magical world of Wonderland, she stumbled upon a mysterious and enigmatic cat. Its words were shrouded in riddles that made no sense to Alice, but she was undeterred. With a desire to uncover the secrets of the cat’s mind, she resolved to use her hacking skills to unravel the mystery.

The official solution uses neither /proc nor /dev, but do as you feel :-)

Note: This variante is a harder version of the Whiskers in the dark challenge, where a simpler way of solving has been removed.

Files

docker-compose.yml
whiskers-in-the-dark-harder-public.tar.gz
491.47 KiB – 055811633f645dc1e0ad08b731a08922da097422160a2523aae6583bb3d3989c

Author

BitK

Challenge Instructions

First, download docker-compose.yml:
curl https://hackropole.fr/challenges/fcsc2023-web-whiskers-in-the-dark-harder/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: f331dd2dff27fda0432cfc9bb989c835fdcc7f47704e8b3b93d5b0cdccf91a19

Writeups

There are no public solutions for this challenge yet, but you can submit yours after getting the flag.