OOO archive --- DEF CON CTF [ login ]

dc2019q - tania crypto

by reyammer

This was a jeopardy challenge, part of dc2019q. (CTFtime)

Points: 182
Was solved by: 17 teams

You may spawn the server:

On your laptop
  • Install docker
  • Download the docker-saved image, then docker load -i the_img.tar.gz
  • docker run -d --name tania oooa-dc2019q-tania:301
  • Local IP: docker inspect tania -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
  • cd tania
  • ./spawner --log-level=INFO
  • Connect to the ip:port displayed
Hosted by OOO Right now we're asking players to login first.


'Didn't touch, check the rules.' [cit.]

line_weight tania


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


Spoilers ahead! Code for this challenge is publicly available.