## Bad Apple
Someone stumbled upon this file in a secure server. What could it mean?
file: https://dctf.dragonsec.si/files/230afaac6d3b52b608268829e8aa11d0/Bad_Apple.mp4

## Solution:
I downloaded the file and opened and heard some weird sound in the middle. So extracted audio and analysed in sonic vision and added A spectrogram was used to find a QR code.


converted into black and white and scanned QR code and got the flag.

flag:`dctf{sp3tr0gr4msAreCo0l}`

Original writeup (https://github.com/victim1307/CTF/blob/main/DCTF2021/badapple.md).