参考链接:https://ctftime.org/task/6264 题目 It's a media PC! All fully purchased through the online subscription revolution empire "GimmeDa$". The PC has a remote control service running that looks like it'll cause all kinds of problems or that was wr…

参考链接:https://ctftime.org/task/6263 题目 After unpacking the firmware archive, you now have a binary in which to go hunting. Its now time to walk around the firmware and see if you can find anything. 点我下载 解题过程 解压之后是个.ext4文件,可以用zip来解压哦.解压后root目录里有个.media…

2018 CISCN reverse wp 这题比赛的时候没做出来,主要是心态崩了看不下去..赛后看了下网上的wp发现不难,是自己想复杂了.这里将我的思路和exp放出来,希望大家一起交流学习. main函数 它首先是check了输入的前六个字符是否与"CISCN{"匹配,接着使用strtok函数将字符串以"_"分割为三部分,然后分别对这三部分check. sub_4012DE函数 关键部分如下 将第一部分的字符串经过以上变换后与一串MD5值5BH8170528842…

copy : https://baike.baidu.com/item/ctf/9548546?fr=aladdin CTF(Capture The Flag)中文一般译作夺旗赛,在网络安全领域中指的是网络安全技术人员之间进行技术竞技的一种比赛形式.CTF起源于1996年DEFCON全球黑客大会,以代替之前黑客们通过互相发起真实攻击进行技术比拼的方式.发展至今,已经成为全球范围网络安全圈流行的竞赛形式,2013年全球举办了超过五十场国际性CTF赛事.而DEFCON作为CTF赛制的发源地,DEFC…

CTF(Capture The Flag) 简单介绍 CTF(Capture The Flag)中文一般译作夺旗赛,在网络安全领域中指的是网络安全技术人员之间进行技术竞技的一种比赛形式. `In computer security, Capture the Flag (CTF), a type of cryptosport, is a computer security competition. CTF contests are usually designed to serve as an e…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5503 The 12th Zhejiang Provincial Collegiate Programming Contest - K Capture the Flag Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge In computer security, Capture…

Capture the Flag Time Limit: 2 Seconds Memory Limit: 65536 KB Special Judge In computer security, Capture the Flag (CTF) is a computer security competition. CTF contests are usually designed to serve as an educational exercise to give participants ex…

Capture the Flag Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge In computer security, Capture the Flag (CTF) is a computer security competition. CTF contests are usually designed to serve as an educational exercise to give parti…

In computer security, Capture the Flag (CTF) is a computer security competition. CTF contests are usually designed to serve as an educational exercise to give participants experience in securing a machine, as well as conducting and reacting to the so…

以此题纪念我写的第一篇acm博客,第一道模拟:) http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3879 题意非常复杂,感觉好像在写一个游戏似的,一大堆规则,还全部都是纯模拟,一点算法都没有,全考代码的…… 废话结束,开始说题—— 第一行输入t,表示有t组数据 每组数据,第一行输入n, q, s, c,表示有n组队伍,每队q个地点,每队初始s分,一共c次操作 接下来c组操作…… 每组操作,第一行输入m, 表示m次成功攻击…