A simple python function to decode most Gootkit obfuscated javascripts

gootkit_decode_function.py

def decode(encoded_string):
    reversed = encoded_string[::-1]
    decoded = ""
    decoded_reversed = ""
    for idx in range(int(len(reversed))):
        if idx % 2:
            decoded = decoded + reversed[idx]
        else:
            decoded_reversed = decoded_reversed + reversed[idx]
    return decoded + decoded_reversed[::-1]