motor_sounds

Category: Misc

Points: 268

Solved by: Iregon

Problem

Жжжжжжжжжж, виииив, виииив, жжжжжжжж...

Zhzhzhzhzhzhzhzhzhzh, viiiiv, viiiiv, zzhzhzhzhzhzhzh ...

Writeup

If we open the file that is given to us with any text editor we notice that inside it there are some writings that can be identified as GCODE, the following is an extract:

Since the GCODE is used to encode the actions that are sent to a 3D printer, let's try to open the file with a slicing program for 3D printers (Ultimaker Cura will be used in the following examples):

We immediately notice that there are 3 writings, by rotating them in a position that allows us to read the central writing we will be able to see the flag:

Flag:

kks{W3_c@N_1n_3D!}

Original writeup (https://github.com/r00tstici/writeups/tree/master/kksCTF_2020/motor_sounds).