script to decrypt bankbot comms

bankbot_drecryptor.py

import sys
import urllib 

__author__ = 'fdiaz@hispasec.com'

""" Script to decrypt bankbot communications 
	argv[1] = key 
	argv[2] = encrypted string
    Example: 
    	decrypter.py "qwe" "5w wqq 98 5w 49 wqe 5e 5q 48 48 wqe 98 97 55 53 53 37 5w 65 49 37 5w 65 48"
"""

def main(key=sys.argv[1], string=sys.argv[2]):
    for i in range(0, len(key)):
        string = string.replace(key[i], str(i))

    string = string.split(' ')
    decrypted_str = ""
    for bytes in string:
        q_1 = chr(int(bytes))
        decrypted_str = decrypted_str + q_1
    print urllib.unquote_plus(decrypted_str)



if __name__ == '__main__':
    main()