PicoCTF2022 - morse-code
Description
Morse code is well known. Can you decrypt this? Download the file here. Wrap your answer with picoCTF{}, put underscores in place of pauses, and use all lowercase.
Information
Point Value: 100 points
Category: Cryptography
Hints
- Audacity is a really good program to analyze morse code audio.
Solution
We know the audio file is morse code, so we can either transcribe it ourselves, or we can try to find a decoder
online. A simple search on the web leads us to this website which allows you
to upload an audio file and it will automatically decode the morse code for you. We get
WH47 H47H 90D W20U9H7. Following the instructions, this becomes the flag
picoCTF{wh47_h47h_90d_w20u9h7}.