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20155232 "Cyber Confrontation" EXP9 Web Security FoundationThe objective of this practice is to understand the basic principles of commonly used network attack techniques. Webgoat the experiment in practice.Experimental process WebgoatWebgoat is a web-based vulnerability experiment developed by the OWASP organization, which contains a variety of vulnerabilities commonly found in the web, such as cross-site

20155331 "Cyber Confrontation" EXP9 Web security basic experimental process WebgoatEnter Java-jar Webgoat-container-7.0.1-war-exec.jar in the terminal to turn on webgoat.Open the browser, enter localhost:8080/webgoat in the Address bar to open webgoat, use the default account password to log in.XSS attack phishing with XSS cross-site scripting phishing attackArbitrarily constructs the HTML content that the

been successful.String SQL InjectionEnter ' or 1=1--constructs the eternal truth type. Click go! All user information has been found to be displayed.Lab:sql Injection (Stage 1:string SQL injection)Enter ' or 1=1--inject, fail. Right-click on the input box to open the HTML source code, found that MaxLength is limited to 8. Modified to 20, landing again, success!Lab:sql Injection (Stage 3:numeric SQL injection)On the basis of the previous experiment, a general employee's account, Larry, browses h

20155323 Liu Willang "Cyber Confrontation" EXP9 Web Security Foundation Practical purposeUnderstand the fundamentals of commonly used network attack techniques.Practice ContentWebgoat the experiment in practice.The practice process opens webgoat Webgoat is a flawed Java EE Web application maintained by owasp, which is not a bug in the program, but is deliberately designed for Web application

标网站的cookie，ok那什么是cookie？cookie就是存于本地用户的数据，某些网站为了辨别用户身份、进行session跟踪；ok那么获得了这些信息之后，就可以在任意能接进互联网的pc登陆该网站，并以其他人的生份登陆，做一些破坏。 进行防御，我看懂了别人的博客，感觉挺有道理的：第一就是当恶意代码值被作为某一标签的内容显示时，在不需要html输入的地方对html标签及一些特殊字符做过滤，这样就相当于这些字符没有用，因为他不被执行，那不执行不就是防御住了；第二就是当恶意代码被作为某一标签的属性显示时，通过用将属性截断来开辟新的属性或恶意方法：属性本身存在的单引号和双引号都需要进行转码；对用户输入的html 标签及标签属性做白名单过滤，也可以对一些存在漏洞的标签和属性进行专门过滤。意思其实很简单，就是说原本的属性被转码了，用户新加的属性又会被过滤，这也是一种防御的方法。(3) CSRF attack principle, how to defend 就是跨站请求伪造，首先要注意，他和XSS攻击截然不同！看名字就知道，他是通过伪装来自受信任用户的请求来利用受信任的网站，而X

20155208 Xu Zihan "Cyber Confrontation" EXP9 Web Security Basic experiment requirementsThe objective of this practice is to understand the basic principles of commonly used network attack techniques. Webgoat the experiment in practice.Experimental processFor the last time, I did not choose to try the program for the last time I did this exciting activity.WebGoatWebgoat is a web-based vulnerability experimen

20155227 "Cyber Confrontation" EXP9 Web Security Foundation Practice Experiment Content About Webgoat Cross-site Scripting (XSS) Exercise Injection flaws Practice CSRF attack Basic question Answer SQL injection attack principle, how to defend? 原理：SQL注入攻击指的是通过构建特殊的输入作为参数传入Web应用程序，而这些输入大都是SQL语法里的一些组合，通过执行SQL语句进而执行攻击者所要的操作，使非法数据侵入系统。防御：1.对用户的输入进行校验，可以通过正则表达式，双"-"进行转换等。2.

20145326 Cai "Cyber confrontation"--web Security Fundamentals Practice 1. Answer questions after the experiment(1) SQL injection attack principle, how to defend.Principle: The SQL injection attack refers to the introduction of a special input as a parameter to the Web application, which is mostly a combination of SQL syntax, the execution of SQL statements to perform the actions of the attacker, th

20145236 "Cyber Confrontation" EXP9 Web security Basic Practice one, the basic question answers: SQL injection attack principle, how to defend SQL injection: This is done by inserting a SQL command into a Web form to submit or entering a query string for a domain name or page request, eventually reaching a malicious SQL command that deceives the server. The ability to inject (malicious)