hack.lu CTF 2019

Thank you all for playing! Congrats to wecaneat5🍔atonce, dcua, and #71! Please leave your feedback here https://forms.gle/zGfGubLGUFnw7FyT6 and rate on CTFtime: https://ctftime.org/event/830

Shiny Code (Category: misc)


Author(s): sqall
Difficulty: easy
Solves: 4

We got a video leaked of a new transmission technique working only with lights and colors. The company using it says it is completely secure because of its secret encoding. However, the whistleblower also says that the secret encoding is somehow encoded in the message itself. It uses an old, historical technique based on short and long signals. I have no fucking clue what he is talking about. Perhaps you can help us?

Download challenge files

Remark: This challenge has a non-standard flag format: FLAG{.*}


The CTF is over. You cannot submit any more solutions.

Announcements for Shiny Code

No announcements have been published yet!