HCTF2017 babycrack Writeup 1234567891011babycrackDescription just babycrack1.flag.substr(-5,3)=="333"2.flag.substr(-8,1)=="3"3.Every word makes sence.4.sha256(flag)=="d3f154b641251e319855a73b010309a168a12927f3873c97d2e5163ea5cbb443" Now Score 302.93Team solved 45 还是很抱歉题目的验证逻辑还是出现了不可逆推的问题,被迫在比赛中途加入4个hint来修复问题,下面我们来慢慢看看代码。 题目源码如下https://github.com/LoRexxar/HCTF2017-babycrack 2017/11/15 jsre