[Password Crackr] A python script to crack the password of zip files. #scripts #password #security #utils #whitehacking

crackr.py

from multiprocessing import Process, Queue
import zipfile
import datetime
import shutil
import argparse
import os

class Crackr:

	buffer_size = 1024000
	max_threads = 10
	exit_command = '@_###_###__EXIT__###_###_@'

	def __init__(this):
		# 
		parser = argparse.ArgumentParser()
		parser.add_argument('-f', '--file', required = True, help = 'The file to be password cracked')
		parser.add_argument('-d', '--dictionary', required = True, help = 'The password dictionary file')
		parser.add_argument('-o', '--output', default = './extracted', help = 'The output directory for the extracted files')
		args = parser.parse_args()
		#
		this.zip_path = args.file
		this.dictionary = args.dictionary
		this.output = args.output

	def process(this, zip, output, id):
		buffer = this.file.read(this.buffer_size)
		while len(buffer):
			if not this.queue.empty():
				break
			for line in buffer.split('\n'):
				password = line
				try:
					zip.extractall(pwd = password.encode(), path = output)
					this.queue.put_nowait(password)
					this.queue.put_nowait(this.exit_command)
					break
				except:
					pass
			else:
				buffer = this.file.read(this.buffer_size)
				continue
			break
		if this.queue.empty():
			this.queue.put_nowait(this.exit_command)
		zip.close()

	def init_threads(this):
		this.processes = []
		this.queue = Queue()

		for x in range(this.max_threads):
			#
			output = this.output + '/' + str(x)
			dst = output + '/to_crack.zip'
			if not os.path.exists(output):
				os.makedirs(output)
			shutil.copy(this.zip_path, dst)
			#
			z = zipfile.ZipFile(dst)
			p = Process(target = this.process, args = (z, output, x,))
			this.processes.append(p)

		for p in this.processes:
			p.start()

	def watch(this):
		while this.queue.empty():
			pass
		this.password = this.queue.get_nowait()

	def run(this):
		start_time = datetime.datetime.now()
		this.file = open(this.dictionary, 'r', errors = 'ignore')
		this.init_threads()
		this.watch()
		this.file.close()
		end_time = datetime.datetime.now()
		delta = end_time - start_time
		print('Password: {}'.format(this.password) if this.password != this.exit_command else 'Password not found!')
		print('Completed after: {}'.format(delta))

if __name__ == '__main__':
	c = Crackr()
	c.run()