wavey (150)

Problem

My friend sent me his new mixtape, but honestly I don't think it's that good. Can you take a look at it and figure out what's going on?

(Attachments: files/straightfire.wav)

Solution

This is a spectrogram problem. We can use a program like Sonic Visualizer to generate a spectrogram out of the audio.

Original writeup (https://github.com/shawnduong/ctf-writeups/blob/master/2019-BCA/forensics/wavey.md).