decrypt.py

from Crypto.Cipher import AES
from Crypto import Random
from libmproxy.flow import decoded

BS = 16
pad = lambda s: s + (BS - len(s) % BS) * chr(BS - len(s) % BS)
unpad = lambda s : s[0:-ord(s[-1])]

def decrypt( enc, key ):
    iv = enc[:16]
    enc = enc[16:]
    cipher = AES.new(key, AES.MODE_CBC, iv)
    return cipher.decrypt(enc)
    # return unpad(cipher.decrypt(enc))

def response(context, flow):
    with decoded(flow.response):  # automatically decode gzipped responses.
        print(flow.response.content.encode("base64"))
        flow.response.content = decrypt(flow.response.content, "dd4763541be100910b568ca6d48268e3")