DOM Monitor (Part 1)

web javascript bot FCSC 2025 solved on

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Description

Introducing DOM Monitor - The groundbreaking Chromium extension that visualizes DOM lifecycles in real-time, exposing hidden vulnerabilities and performance bottlenecks that competitors miss. Discover why top developers rely on our technology to secure and optimize web applications where every millisecond counts.

Webapp: http://localhost:8000/

Bot: nc localhost 4000

Files

Author

Mizu

Challenge Instructions

  1. First, download docker-compose.yml:
    curl https://hackropole.fr/challenges/fcsc2025-web-dom-monitor/docker-compose.public.yml -o docker-compose.yml
  2. Launch the challenge by executing in the same folder:
    docker compose up
  3. Access the challenge at http://localhost:8000/.
  4. Then, in another console, access the challenge with Netcat:
    nc localhost 4000
⚠️ 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.

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