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
---恢复内容开始--- 最近在学习堆的off by one,其中遇到这道题,萌新的我弄了大半天才搞懂,网上的很多wp都不是特别详细,都得自己好好调试. 首先,这题目是一个常见的图书馆管理系统,虽然我没见过. . Create a book . Delete a book . Edit a book . Print book detail . Change current author name . Exit 漏洞: signed __int64 __fastcall sub_9F5(_BYTE
EN: It's easy to find out where is the bug : .text:0000000000400DE4 ; void *start_routine(void *).text:0000000000400DE4 start_routine proc near ; DATA XREF: sub_401182+C8o ... .text:0000000000400F3B lea rcx, [rbp+h
洒家近期参加了 Tokyo Westerns / MMA CTF 2nd 2016(TWCTF) 比赛,不得不说国际赛的玩法比国内赛更有玩头,有的题给洒家一种一看就知道怎么做,但是做出来还需要洒家拍一下脑瓜的感觉.总之很多题还是很有趣的,适合研究学习一番. 以下是洒家做出来的几道小题,类型仅限Web和Misc,给各位看官参考. 关于: T3JpZ2luYWwgQXJ0aWNsZTogd3d3LmNuYmxvZ3MuY29tL2dvMmJlZC8 Global Page Web Warmup We
From now on I will start to have fun with CTF and other security games or challenges. And I am going to collect tools here, for me in the future as a log. And for you, who may be a newbee as a tutorial. If no prompt is given, the environment is *nix.
原文链接:https://www.dreamwings.cn/hdu5688/2650.html Problem D Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 247 Accepted Submission(s): 174 Problem Description 度熊所居住的 D 国,是一个完全尊重人权的国度.以至于这个国家