List of CTFs available for the Computer Network Security (CNS) course offered by Tor Vergata during the year 2023-2024.

For some of these CTFs an active TCP server might still be up and running for you to try it out. If you see the online status, then it should be up, if it is not up and running, contact me to fix it ASAP.

  • Many times pad: They told me to use it one time. But really, what’s the issue here if I use it more than once?
  • LCG-lottery: Can you predict the unpredictable?
    • Files: lcg-lottery.zip
    • Status: Online
    • IP: \(204.216.217.175\)
    • PORT: \(4444\)
  • LCG-layered: Sometimes things are not straight forward
    • Files: lcg-layered.zip
    • Status: Online
    • IP: \(204.216.217.175\)
    • PORT: \(4545\)