credstuff

https://play.picoctf.org/practice/challenge/261?page=7

• it is a [[tar]] file, so tar -xvf leak.tar will unzip it and create a folder with usernames and passwords .txt

• since the line number the username is on corresponds with the password line number, we just need to find cultiris line number

with open('leak/usernames.txt', 'r') as f:
    user = f.readlines()
with open('leak/passwords.txt', 'r') as f:
    pwd = f.readlines()

for i in range(len(user)):
    if user[i].strip() == 'cultiris':
        print(pwd[i].strip())

• we get the flag cvpbPGS{P7e1S_54I35_71Z3}

• since the brackets remain the same, it looks like a [[ROT13]], so going into [[CyberChef]] we get the flag