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dc2021q - mra reversing pwn

by slipper

This was a jeopardy challenge, part of dc2021q. (CTFtime)

This challenge was represented as 🦾
Points: 114
Was solved by: 78 teams

You may spawn the server:

On your laptop
  • Install docker
  • docker pull archiveooo/pub:mra (docker-saved download)
  • docker run -d --name mra archiveooo/pub:mra
  • Local IP: docker inspect mra -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}'
  • Connect to that IP:8000 — Remember to docker rm -f when done.
On your laptop (full source)
  • Install docker and pip install PyYAML coloredlogs
  • git clone https://github.com/o-o-overflow/dc2021q-mra
  • cd mra
  • ./spawner --log-level=INFO
  • Connect to the ip:port displayed
Hosted by OOO Right now we're asking players to login first.

Description

Is it odd?

line_weight mra

Hints

None yet :(
If you wish, you can contribute some.

Source

Spoilers ahead! Code for this challenge is publicly available.