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. [BZOJ3236]:[Ahoi2013]作业(莫队+分块)

    题目传送门 题目描述 此时已是凌晨两点,刚刚做了$Codeforces$的小$A$掏出了英语试卷.英语作业其实不算多,一个小时刚好可以做完.然后是一个小时可与做完的数学作业,接下来是分别都是一个小时可 ...

  2. rime 同文输入法 安卓系统

    下载安装APP 从google play下载同文输入法 默认安装完只有3个输入法, 没有五笔和拼音 [官网][https://rime.im/download/] 获取五笔拼音方案 然后找到 /sdc ...

  3. PJSIP Socket 模型

    前些日子为解决项目中问题调试到PJSIP Socket收发数据部分 ,好记性不如烂笔头,记录下 PJSIP 使用的Socket 模型 ,以备后用. 不同平台下PJSIP采用不同的 Socket模型,W ...

  4. Flask中的路由配置

    在Flask中也同样有django中的路由配置只不过没有djngo那么严格主要的参数有一下六个记住常用的就可以了 1.endpoint   反向生成url地址标志,默认视图函数名 2.methods ...

  5. mysql 无法存储表情字符 java.sql.SQLException: Incorrect string value: '\xF0\x9F\x90\xBE",...' for column 'XXXX' at row 1

    1.变更字段类型 ALTER TABLE api_log MODIFY COLUMN remark longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_uni ...

  6. MDX入门(2)

    MDX语言对大小写不敏感,而对于查询轴来说简单有Columns,Rows,Pages,Chapters,Sections分别也可以用AXIS(0),AXIS(1),AXIS(2),AXIS(3),AX ...

  7. 20170809--JS操作Select备忘

    // 1.判断select选项中 是否存在Value="paraValue"的Item function jsSelectIsExitItem(objSelect, objItem ...

  8. 007-elasticsearch5.4.3【一】概述、Elasticsearch 访问方式、Elasticsearch 面向文档、常用概念

    一.概述 Elasticsearch 是一个开源的搜索引擎,建立在一个全文搜索引擎库 Apache Lucene™ 基础之上. Elasticsearch 也是使用 Java 编写的,它的内部使用 L ...

  9. 阶段1 语言基础+高级_1-3-Java语言高级_03-常用API第二部分_第2节 Date类_5_练习_计算出一个人已经出生了多少天

    Alt+回车

  10. pandas 基础介绍与概览

    pandas是 基于NumPy数组构建的,特别是基于数组的函数和不使用for循环的数据处理 相关联的几个库, 分析库 scikit-learn 和 statsmodels 数值计算工具,NumPy 可 ...