CTF-All-In-One/src/writeup/6.2.4_re_csawctf2015_wyvern/solve_re.py

#!/usr/bin/env python

array = [0x64,  0xd6,  0x10a, 0x171, 0x1a1, 0x20f, 0x26e,
         0x2dd, 0x34f, 0x3ae, 0x41e, 0x452, 0x4c6, 0x538,
         0x5a1, 0x604, 0x635, 0x696, 0x704, 0x763, 0x7cc,
         0x840, 0x875, 0x8d4, 0x920, 0x96c, 0x9c2, 0xa0f]

flag = ""
base = 0
for num in array:
    flag += chr(num - base)
    base = num

print flag