overthewire vortex 0~

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vortex.labs.overthewire.org에 5842로 접속하면 4개의 unsiged int를 주는데, 이걸 받아서 합한 후 다시 

재전송해라. vortex는 32bit머신이다.

# -*- encoding: cp949 -*-
import socket, struct, itertools, operator

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect(('vortex.labs.overthewire.org',5842))
sum = reduce(operator.add,map(lambda x:struct.unpack('I',x)[0],[s.recv(4) for i in range(4)]))
s.sendall(struct.pack('I',sum))
print s.recv(1000)

Username: vortex1 Password: Gq#qu3bF3

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