https://www.zhihu.com/question/20161362blog
黑客街:https://www.hackjie.com/web
白帽:sql
https://www.sqlsec.compost
https://me.csdn.net/weixin_44749105google
https://blog.csdn.net/DarkHQurl
被黑统计:https://www.hacked.com.cn.net
如何使用google语句code
https://www.zhihu.com/question/20161362blog
体验盒子: https://www.uedbox.com/web-security/it
解码io
http://web.chacuo.net/charseturlencode