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got-shell?

Points: 350

Category

Binary Exploitation

Question

Can you authenticate to this service and get the flag? Connect to it with nc 2018shell1.picoctf.com 54664. Source

Hint

Ever heard of the Global Offset Table?

Solution

Overwrite the Global Offset Table to the address of the win function.

Working solution solve.py

Flag

picoCTF{m4sT3r_0f_tH3_g0t_t4b1e_150b198c}