set-your-intentions-right
Category
Steganography
Points
-1
Solves
-1
Tags
#audio
#spectrogram
Scenario
Mary and Maya wanted to spend the rest of their Friday evening having more fun. They decided to go raundonauting, they set their intentions to paranormal and it sounds like they needed to end up hiding from what they found.
By Jolie
Solution
The flag is hidden in the spectrogram of the audio file. You can view the flag by viewing the spectrogram of the audio file. You can use ffmpeg to generate the spectrogram image.
ffmpeg -i evidence.mp3 -lavfi showspectrumpic=s=1024x512:legend=disabled output.png
set-your-intentions-right Flag:
NICC{UR_4SAK3N_D3CISION}