sectalks-d.py

#!/usr/bin/python

from PIL import Image
import sys
from re import sub

print " ** SUPER SEKRIT DECRYPTOR DO NOT DISTRIBUTE ** "

def decode(text):
  return sub(r'(\d+)(\D)', lambda m: m.group(2) * int(m.group(1)),text)

if len(sys.argv) != 2:
  print "usage: ./d.py [in_img]"
  sys.exit(0)

in_img = Image.open(sys.argv[1])
in_pixels = in_img.convert("RGB")

width, height = in_img.size

x = ""
o = ""

for i in range(0,width * height):
  temp_x = i % width
  temp_y = i / width
  (r,g,b) = in_pixels.getpixel((temp_x,temp_y))
  x += bin(r)[8:10]
  if len(x) == 8:
    o += chr(int(x,2))
    x = ""

print decode(o)

real flag pleaseeeeeee