https://trailofbits.github.io/ctf/ –介绍

–>(翻译)http://blog.idf.cn/2015/02/ctf-field-guide/

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https://ctftime.org/ –ctf竞赛时间

https://time.xctf.org.cn/ctfs/ –X-ctf

http://ctf.sobug.com/Steganography.php –SSCTF –四叶草

https://bctf.cn/#/about –百度ctf

http://www.hackdog.me/writeup/ –redrain大大

https://www.cyberchallenge.com.au/solutions.html –国外站点

http://www.alictf.com/ –阿里ctf

http://oj.xctf.org.cn/ –X-ctf题目汇总

http://hackinglab.cn/ –网络信息安全攻防学习平台

http://hackgame.blackbap.org/ –习科

http://www.honyaedu.com/ -红亚

http://www.wechall.net/ –ctf外国站点

http://ctf.idf.cn/ –IDF实验室

http://ctf.3sec.cn/ –Jlu.CTF

http://erange.heetian.com/CTFrace.html –合天

http://www.simplexue.com/ –西普学院

http://1111.segmentfault.com/ –光棍节程序员闯关秀

http://www.helloisa.com/ –一个游戏又友链了几个游戏

https://redtiger.labs.overthewire.org/ –外国站点web_sql

https://github.com/ctfs/ –git上writeup

http://bobao.360.cn/ctf/ –360安全播报

http://sec.yka.me/ –英文版writeup

http://bobao.360.cn/ctf/learning/129.html –DUTCTF-2015-Writeup

http://ctf.idf.cn/index.php?g=portal&m=list&a=index&id=10 –writeup

https://ctf-team.vulnhub.com/ –国外wp

https://www.91ri.org/9482.html –91ri

http://zhuanlan.zhihu.com/wooyun/19861125 –wooyun_writeup

http://drops.wooyun.org/?s=writeup&submit=%E6%90%9C%E7%B4%A2 –wooyun

http://attach.blackbap.org/down/ –习科工具下载

http://forum.cnsec.org/thread-93930-1-1.html –ctf_tools

http://mdsec.net/wahh/tools.html –tool下载

http://tool.lu/ –在线工具集合

http://m.blog.csdn.net/blog/winkar/42458273 –一部分

http://www.ibeast.com/content/tools/ciscopassword/ –passwd_break

http://www.yellowpipe.com/yis/tools/encrypter/index.php –编码解码

http://www.jsfuck.com/ –js_fuck

http://www.objectif-securite.ch/ophcrack.php –hash破解

http://217.logdown.com/ –217

http://www.blue-lotus.net –blue-lotus蓝莲花

http://blog.0ops.net/ –0ops

http://le4f.net/ –le4f大牛博客

http://www.programlife.net/ –代码疯子

http://appleu0.sinaapp.com/ –apple牛

http://www.syjzwjj.com/ –俊杰

http://blog.sycsec.com/ –三叶草

http://www.waitalone.cn/ –独自等待