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Downloading Challenge Files

here is the executable file to download

in this challenge we have a wav audio file and we will use audacity to check whether this audio file hides some data inside it you can download this app from google it's free

and then select the audio file

now to see the hidden data we will open the spectogram

and then we can see the hidden data QRSRAFLF{abvfr_gung_znxrf_frafr}

and if we take a look at the readme.txt file we will see that it's giving a hint about rotation so this flag that we have found is rotated so let's decrypt this using cyberchef