Challenges Description:
Tarbiat Modares University has a foreign student. His name is Zedmondo. He has a very shady character. He always walks alone, eats alone, and never talks much. There are some rumors about him. Some people say he is a genius sociopath; some say he is just too self-involved. But one thing is obvious; he has a secret. Once, one of the students heard that he was talking about receiving some important documents via a private email. Maybe if we find his email, we can learn about his secret. Note: The flag format is TMUCTF{emailaddress}.
Google search “Tarbiat Modares University Zedmondo”:
Find the LinkedIn page. Seems like Zedmondo don’t like linkedin. He puts everything on his Github.
Go to GitHub page, I quickly go through all repositories, and focus on the “secretkey”.
There is a public key.
Look inside of public key, its a PGP public key.
Using any PGP tools to open the key, and you will find Zedmondo’s secret email.
Flag: TMUCTF{Z3dm0nd0_Z4b3r1n5k1_15_My_R34l_N4m3@zaberini.com}
