alexctf-rev250-solve.py

#!/usr/bin/python

import md5
import string
import itertools

vc = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789{}_-"

md5s = [174282896860968005525213562254350376167L, 137092044126081477479435678296496849608L, 126300127609096051658061491018211963916L, 314989972419727999226545215739316729360L, 256525866025901597224592941642385934114L, 115141138810151571209618282728408211053L, 8705973470942652577929336993839061582L, 256697681645515528548061291580728800189L, 39818552652170274340851144295913091599L, 65313561977812018046200997898904313350L, 230909080238053318105407334248228870753L, 196125799557195268866757688147870815374L, 74874145132345503095307276614727915885L]
# print 'Can you turn me back to python ? ...'
# flag = raw_input('well as you wish.. what is the flag: ')
# if len(flag) > 69:
#     print 'nice try'
#     exit()
# if len(flag) % 5 != 0:
#     print 'nice try'
#     exit(


for i in md5s:
  print hex(i)

# import sys
# sys.exit(0)

# brute force go

for xs in itertools.product(vc,repeat=5):
  x = "".join(xs)
  if int("0x"+md5.new(x).hexdigest(),16) in md5s:
    print "%s:%x" % (x,int("0x"+md5.new(x).hexdigest(),16))

# print 'Congratz now you have the flag'