算法函数如图,关键点在标志处,加密字符串如下图 于是写如下脚本: flag_c='436B666B62756C694C455C455F5A461C07252529701734390116494C20150B0FF7EBFAE8B0FDEBBCF4CCDA9FF5F0E8CEF0A9'.decode('hex') flag_d='' for i in range(len(flag_c)): flag_d+=chr(ord(flag_c[i])^4*i) print flag_d 得到flag:…
Daddy told me about cool MD5 hash collision today. I wanna do something like that too! ssh col@pwnable.kr -p2222 (pw:guest) 先看源代码: #include <stdio.h> #include <string.h> unsigned long hashcode = 0x21DD09EC; unsigned long check_password(const c…
I made a simple brain-fuck language emulation program written in C. The [ ] commands are not implemented yet. However the rest functionality seems working fine. Find a bug and exploit it to get a shell. Download : http://pwnable.kr/bin/bf Download :…