#coding:utf-8

#References:https://github.com/evi1ox/MSSQL_BackDoor/blob/master/tools/py_bin_encrypt/EncodeShellcode.py

import sys

import base64

import argparse

def xor(data, key):

l = len(key)

keyAsInt = list(map(ord, key))

return bytes(bytearray((

(data[i] ^ keyAsInt[i % l]) for i in range(0,len(data))

)))

if __name__ == '__main__':

parser = argparse.ArgumentParser(description="python3 {0} -f payload.bin -k Evi1oX".format(sys.argv[0]))

parser.add_argument("-f","--file", help="Raw Shellcode File",required=True)

parser.add_argument("-k","--key", help="XOR Encrypted key",required=True)

args = parser.parse_args()

try:

with open(args.file, 'rb') as f:

scBytes = f.read()

xorBytes = xor(scBytes, args.key)

print("XorKey: "+args.key)

print("Result: "+base64.b64encode(xorBytes).decode())

except Exception as e:

print(e)

sys.exit()