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TAMUCTF-2023 writeups


Unlucky

05/04/2023

Luck won't save you here. Have fun trying to get the flag!


Sea Shells

05/04/2023

Sally sold some seashells by the seashore. Try to guess how many she sold, I bet you will never be able to!


Randomness

05/04/2023

I made this program to test how srand and rand work, but it keeps segfaulting. I don't read compiler warnings so I can't figure out why it's broken.


Pwnme

05/04/2023

pwn me. that's it.


Pointers

05/04/2023

I've been messing with pointers lately which never goes wrong, right?


Inspector Gadget

05/04/2023

Inspector Gadget gave me this binary with one goal. pwn.


Encryptinator

05/04/2023

I have made this super secure encryption engine. I'll encrypt any message and no one will ever be able to read it. Not even me!


Contrived Shellcode

05/04/2023

There's a 0% chance this has any real world application, but sometimes it's just fun to test your skills.


Bank

05/04/2023

I came up with this banking system that lets you deposit as much as you want. I'm not sure why, but my friend said it was a terrible idea...