Wave - FlagYard

Downloading the challenge file then unzip it we get wave1.pcpang file ,run it with wireshark

in tcp stream number 16 + 18 + 19 there is encoded base64 ,we collect the three of them

Zip file is protected with password

now exporting all files into a folder

we find those files exported

using this website to check for stego hidden in those pictures

Aperi'Solve

drop the superman picture "image.png" then submit

u will find a QR code in this picture ,scan it to get the password

unzip the zip file using this password ,and you will .wave audio file contain morse code ,using this website to decode the code

Morse Code Adaptive Audio Decoder

put the extracted audio file to get the flag