OOO archive --- DEF CON CTF [ login ]

dc2021q - tiamat reversing

by trickE

This was a jeopardy challenge, part of dc2021q.

This challenge was represented as 🐉
Points: 315
Was solved by: 6 teams

You may spawn the server:

On your laptop
  • Install docker
  • docker pull archiveooo/pub:tiamat (docker-saved download)
  • docker run -d --name tiamat archiveooo/pub:tiamat
  • Local IP: docker inspect tiamat -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}'
  • Connect to that IP:5000 — 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-tiamat-public (notice below)
  • cd tiamat
  • ./spawner --log-level=INFO
  • Connect to the ip:port displayed
Hosted by OOO Currently unavailable.

Description

Protovision just launched their new licensing server yesterday and the sysop over at Pirate's Harbor BBS already has a copy. You should download it and try to be the first one to hack it.

line_weight Dockerfile line_weight service.conf line_weight wrapper line_weight liccheck.bin line_weight qemooo line_weight games line_weight banner_fail

Hints

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

Source

Spoilers ahead! Code for this challenge is publicly available. Also see the branches of https://github.com/o-o-overflow/qemooo