Record CTF Solutions
WeChall - http://www.wechall.net/challenge/
PWNABLE.TW - https://pwnable.tw/challenge/
PWNABLE.KR - http://pwnable.kr/play.php
HACK.ME - https://hack.me/
HackThisSite - https://www.hackthissite.org/
ctflearn - https://ctflearn.com/
picoctf - https://picoctf.com/
Embedded Security CTF - https://microcorruption.com/login
reversing.kr - http://reversing.kr/challenge.php
w3challs - https://w3challs.com/
http://www.hellboundhackers.org/
http://www.overthewire.org/wargames/
http://counterhack.net/Counter_Hack/Challenges.html
http://computer-forensics.sans.org/community/challenges
https://www.praetorian.com/challenges/pwnable
WebGoat - https://github.com/WebGoat/WebGoat
Stanford SecureBench - https://suif.stanford.edu/~livshits/securibench/intro.html
Stanford SecuriBench Micro - https://suif.stanford.edu/~livshits/work/securibench-micro/index.html
Damn Vulnerable Web App (DVWA) - http://www.dvwa.co.uk/
Mutillidae - http://www.irongeek.com/i.php?page=mutillidae/mutillidae-deliberately-vulnerable-php-owasp-top-10
Mutillidae 2 - https://www.owasp.org/index.php/OWASP_Mutillidae_2_Project
Metasploitable2 - https://sourceforge.net/projects/metasploitable/files/Metasploitable2/
Metasploitable3 - https://github.com/rapid7/metasploitable3
VulnHub - https://www.vulnhub.com/
Pentester Lab - https://pentesterlab.com/exercises/
CTF Events - https://ctftime.org/event/list/
http://captf.com/practice-ctf/
http://shell-storm.org/repo/CTF/