decode.py

## Author: Dominique Kilman
## Name: decode.py
## Copyright (c) 2014 Dominique Kilman. All rights reserved.

def rand(seed1):
    seed = (seed1 * 0x343fd) + 0x269ec3
    newSeed = seed & 0xffffffff
    ran = ((seed >> 16) & 0x7fff)
    modifier = ran & 0xff
    return [newSeed, modifier]

#test2 = encoded payload (after the first 8)
test2 = "\x9f \x0a \xc6 \xde \x21 \xcf \x53 \xea \x5a \x6a \xad \x38 \x70 \x30 \x8b \x39 \x60 \xe2 \x5f \x8e \x0a \x71 \xdb \x2d \x99 \xbb \xb3 \x03 \x38 \xf8 \xb8 \x59 \x9d \x74 \xba \x37 \x61 \x13 \xf9 \xd0 \xad \x3e \x1e \xfa \xee \x46 \x50 \x30 \x89 \x87 \x44 \xa5 \x7c \x8e \xa2 \x45 \x0c \xcc \x9f \x1d \x90 \x43 \x95 \x5a \x08 \x0c \xe6 \x5a \xa6 \xf8 \x66 \xdc \x2f \xb0 \xac \xcd \x5b \x58 \xe7 \xe1 \xe2 \xf3 \x0c \x6c \x39 \xec \x3b \xda \x89 \xdd \xde \x2e \xa0 \x18 \x5c \x5f \x15 \xe9 \xfa \x47 \xb1 \xd1 \x47 \x27"
seed = 0x2c4f5a543d6d6910 # first 8 of payload

newTest = test2.split(' ')
modchar = ''
resultLine = ''

for i in range(0,len(newTest)):
#for i in range(0,72):
    res = rand(seed)
    seed = res[0]
    modchar += str(int(res[1])) + ','
    try:
        test2 = ord(newTest[i]) ^ res[1]
    except:
        test2=0
    try:
        resultLine += str(unichr(int(test2)))
    except:
        test2=0

print resultLine