3DSCTF2017 - Bit Map

We’re developing our own security measures so no one will be ever able to execute our sensitive files.

Steps

import urllib2
import binascii
from BeautifulSoup import BeautifulSoup as bs

html = urllib2.urlopen("http://bitmap01.3dsctf.org:8010/")
soup = bs(html)
bytes = ""
tds = soup.findAll('td')
for td in tds:
	bytes += binascii.a2b_hex(td['bgcolor'].replace('#',''))
file = open("binaire",'wb')
file.write(bytes)
file.close()

3DS{H1dd3n_1n_7ru3_C0l0r5}