Cereal Killer
Using strings
with the binary I noticed a weird string near the part where the program asks for a password: c0unt-ch0cula
. Using it as the password that program is asking for will do!
┌──(kali㉿kali)-[~/Desktop/CTF/Deadface2021/Cereal Killer]
└─$ ./deadface_re01.bin
What is the best and sp00kiest breakfast cereal?
Please enter the passphrase: c0unt-ch0cula
flag{c0unt-ch0cula-cereal-FTW}