One - CTF Challenge Writeup

Challenge Information

• Name: One
• Points: 10
• Category: Misc
• Objective: Identify and decode a simple obfuscated message left by a previous user.

Solution

• From User Zero, we find a file with a ciphered message.
• The message appears to be reversed text.
• Wrote a quick Python script to reverse it:

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with open('one.txt', 'r') as file:
    data = file.read()[::-1]
    print(data)

Flag

The flag for this challenge is:
SHERPACTF25{I_Kn3w_it_44}