gcc# win CTF

Menu

Easy

• password hamster - very easy RE challenge for warmup V
• the authenticator - RE challenge, could you log in? V
• go with the flow - very simple buffer overflow V
• get here - buffer overflow, change a function call V
• UFO - simple uaf challenge V

Moderate

• lotto - logic vulnerability V
• bank account - double use after free V
• ROP - ROP with args challenge V
• meeting point - RE challenge, could you log in? V
• The Kanas - Can you beat the kanas? V

Hard

• calculator - hard buffer overflow, change return value
• calculator_aslr - hard buffer overflow, change return value with aslr and printf \0 vulnerability

CTFd - was cloned and modified from CTFd.