import sys
from capstone import *
from capstone.x86 import *


with open(sys.argv[1]) as f:
    bytes = f.read()

FD = open(sys.argv[1]+'.clean','w')

def disasm(xxx):
    md = Cs(CS_ARCH_X86, CS_MODE_64)
    by = md.disasm(xxx,EA).next().bytes
    FD.write(by)
    return len(by)


off = 0
EA = 0x400A22
while off < len(bytes):
    b=chr( (ord(bytes[off]) ^ EA)&0xff)
    x= disasm(b + bytes[off+1:off+1+20])
    EA += x
    off += x
    
FD.close()