Solution for cry_t0k3n @ Global Cyberlympics Prequals 2017 (cryptcat multithread bruteforcer)

cry_t0k3n_brute.py

## Solution for cry_t0k3n @ Global Cyberlympics Prequals 2017 (cryptcat multithread bruteforcer)
# @author intrd - http://dann.com.br/ 
# @license Creative Commons Attribution-ShareAlike 4.0 International License - http://creativecommons.org/licenses/by-sa/4.0/

import sys,Queue,threading,hashlib,os,time
from subprocess import Popen, PIPE, STDOUT

NumOfThreads=5  
queue = Queue.Queue()

#WordList = open("passwords_found.txt",'r')
#WordList = open("pins.txt",'r')
#WordList = open("unix_passwords.txt",'r')
WordList = open("rockyou.txt",'r')

class checkHash(threading.Thread):
	def __init__(self,queue):
		threading.Thread.__init__(self)
		self.queue=queue
	def run(self):
		i=0
		while True:
			self.clear=self.queue.get()
			passtry = self.clear
			if passtry != "" \
			and not "'" in passtry \
			and not " " in passtry \
			and not ";" in passtry \
			and not "$" in passtry \
			and not "!" in passtry \
			and not "/" in passtry:
				process = Popen("./elf.elf 127.0.0.1 -k "+passtry+" -w 1 -vvvlp 6345", shell=True, stdin=PIPE, stdout=PIPE, stderr=STDOUT, close_fds=False)
				(output, err) = process.communicate()
				print passtry+" -",
				print output
				#os._exit(0)
				#time.sleep(0.04)
				if len(output) > 2000:
					print str(i)+" ## FOUND: "+passtry+"\n"
					print output
					os._exit(0)
				exit_code = process.wait()
			i+=1
			self.queue.task_done()

for i in range(NumOfThreads):
    t=checkHash(queue)
    t.setDaemon(True)
    t.start()

for word in WordList.readlines():
    queue.put(word.strip())

queue.join()