Extraterestial Communication Writeup (dCTF 2021)

panda1729

Type: Misc

Difficulty: Easy

Prompt:

Solution

The audio contains as SSTV (Slow Scan Television) message. SSTV was used to transmit images via radio radio.

I used an app called Robot36 available on Play Store to reveal the image.

Robot36 result. Image transmitted via sstv

Flag can be seen *eyes strain*