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README.md

Pwn2Win

Welcome to Pwn2Win CTF 2017.

Registration

  1. All team members must have a GitHub account and configure a SSH key in their account settings.

  2. All team members must have the git client correctly set up. If you have never used git before, run:

    git config --global user.name "John Doe"
    git config --global user.email johndoe@example.com
  3. All team members must clone the repository and install the dependencies:

    git clone git@github.com:pwn2winctf/2017.git
    cd 2017
    sudo apt-get install libsodium18
    curl https://bootstrap.pypa.io/get-pip.py | sudo -H python
    sudo -H python -m pip install -r pip-requirements.txt

    Notes:

    If you are using Ubuntu 14.04, add ppa:elt/libsodium to your system to be able to install libsodium18.

    If you are using Mac OS, install libsodium with brew install libsodium.

  4. If dependencies are installed correctly, you should now see the help menu when calling:

    ./ctf -h
  5. The leader of the team must execute the following command and follow the instructions to register the team:

    ./ctf init
  6. After that, the leader must share the team-secrets.json with the members of the team. The other members of the team must place the team-secrets.json file shared by the leader in their 2017 directory.

  7. The other members of the team must login to GitHub without registering a new team, by running:

    ./ctf login

    If you are using OTP, you will need to login using a [token] with public_repo scope (https://github.com/settings/tokens) running:

    ./ctf login --token [TOKEN]

Challenges

Challenges will be available at https://game.pwn2win.party.

If you prefer to browse them locally, you may also run a local webserver by typing ./ctf serve, or list challenges through the command line interface:

./ctf challs

Flag submission

To submit a flag:

./ctf submit --chall chall-id 'CTF-BR{flag123}'

You may omit --chall chall-id from the command, however it will be slower to run this way. In this case, we will look for the flag in every challenge released until now.

Scoreboard

You can see the scoreboard in the game link (https://game.pwn2win.party), locally (if you ran the local webserver) or through the command line interface:

./ctf score --names --pull

Support

You may reach us through #tecland at irc.freenode.net.