Install the eventmachine and sinatra gems via “gem install eventmachine” and “gem install sinatra” respectively.
Run the selfish-dragonfly.rb file via “ruby selfish-dragonfly.rb” and wild-jellyfish.rb by “ruby wild-jellyfish.rb -p 20001”.
You’ll need to make a directory called /etc/levels and generate tokens for them by using
Send a request for /token in reverse HTTP syntax.
Authentication timing attack