My First CTF

Description

Author: BuildHackSecure @ HackingHub

HackingHub has provided this CTF challenge!

On second thoughts I should have probably called this challenge “Nz Gjstu DUG”

Notes

Here is the home page:

We decided to fuzz and here is what we found:

Now accessing the flag.txt we get trolled !

Using the hint displayed on the home page, rotten so we tried different rot cyphers. Using the weird sentence in the challenge description, "Nz Gjstu DUG" and deciphering it using ROT-1 gave us the following:

So going to the endpoint gmbh.uyu which is the flag.txt file encrypted using ROT-1 cypher.

Here is the encrypted flag.txt done here¹

So we then visited http://challenge.nahamcon.com:31441/gmbh.uyu it downloaded the flag.txt file on our machine.

Here is the flag downloaded:

Flag

flag{b67779a5cfca7f1dd120a075a633afe9}

Happy hacking ! 😊

References

1. https://www.dcode.fr/rot1-cipher ↩