The most common solution for the "Milkshake" series of challenges involves visualizing the audio spectrum:
: Milkshake18.rar (often containing an MP3 or WAV file named milkshake.mp3 ). Category : Forensics / Steganography. Milkshake18.rar
If you have the file, do you want to or try a specific decoding sequence in CyberChef? CTFtime.org / Square CTF 2018 / C4: leaky power / Writeup The most common solution for the "Milkshake" series
: Decoding these in sequence reveals the flag, such as OFPPT-CTF{B@$3_64_3ncrypt1on_1s_l3g1t} . 4. Common Flag Formats HackTheBox : HTB{...} OFPPT-CTF : OFPPT-CTF{...} Milkshake18.rar