PicoCTF - speeds and feeds



Challenge

Tags

PicoCTF 2021 / Reverse Engineering

Description

There is something on my shop network running at nc mercury.picoctf.net 16524, but I can’t tell what it is. Can you?

Prereguisite

G-code

Writeup

  1. Save G-code to the file
    
     nc mercury.picoctf.net 16524 > g.gcode
    
    
  2. Go to this website and open g.gcode.
  3. Here’s flag ! picoCTF{num3r1cal_c0ntr0l_e7749028} ٩(^ᴗ^)۶