南京邮电大学网络攻防平台-MD5-Writeup
题干如下:
分析:
遍历 TASC?O3RJMV?WDJKX?ZM(?替换为其他),找到md5为e9032???da???08????911513?0???a2形式的即可
脚本如下:
import md5
import string
dic = string.ascii_letters + string.digits
for i in dic:
for j in dic:
for k in dic:
s = 'TASC' + i + 'O3RJMV' + j + 'WDJKX' + k + 'ZM'
MD5 = md5.md5(s).hexdigest()
if MD5[0: 5] == 'e9032':
print 'nctf{' + MD5 + '}'
则flag即为nctf{e9032994dabac08080091151380478a2}