Darknet has a bit of everything, a sauce with a touch of makeup and frustration that I hope will lead hours of fun for migraines and who dares to conquer his chambers.
As the target gets used will read the file contents /root/flag.txt obviously once climbed the privileges necessary to accomplish the task.
The image can be mounted with VirtualBox . The machine has DHCP active list so once automatically assign an IP network, the next step will be to identify the target and discover the / the service / s to start the game. Good luck !. If you want to send in pdf format solucionarios can do so at the following address: s3csignal [at] gmail [dot] com