sql injection website hacking

to trick the server into executing a malicious SQL command.2.SQL injection Attack HazardWith SQL injection vulnerability, an attacker can manipulate data in a database (such as obtaining confidential data from a database, arbitrarily changing data in a database, deleting a

A simple SQL injection attack caseIf we have a company web site, in the site's background database to keep all the customer data and other important information. If there is such a command in the code of the website login page to read the user information. The code is as follows Copy Code ?$q = "Select ' id ' from ' users ' WHERE ' us

Because the current SQL injection is very popular and the technology threshold is lower attack means, and very practical, light can get some of the site's accounts, such as a movie site to get the gold member of the account number, heavy use of its website building more intrusion into the entire server and so on. This is intended as a topic to explain

stupid. To do this, you 'd better set a global variable or define a macro in the website configuration file and set the debug flag: 1 // in the global configuration file:2 define ("debug_mode", 0); // 1: debug mode; 0: release mode34 // In the call script:5 $ t_strsql = "select a from B ....";6 if (mysql_query ($ t_strsql ))7 {8 // Correct Handling9}10 else11 {12 if (debug_mode)13 echo "error! SQL statemen

Nginx configuration file is a script, can help you filter everything you want to filter the content of the submission, I summarized some nginx of the anti-injection scanning rules, I hope to be useful to you: The configuration file can prevent SQL and file injection to a certain extent, and put it inside the server block of the configuration file. Prevent

" the fundamental difference.According to national conditions, the domestic web site with asp+access or SQL Server accounted for more than 70%, php+mysq accounted for l20%, the other less than 10%. In this article, we from the introduction, advanced to high-level explanation of ASP injection methods and skills, PHP injection of the article by the NB Alliance, ano

Advanced Articles After reading the introductory and advanced chapter, a little practice, crack the general website is no problem. But if you hit the list name, or the program author filters some special characters, how to improve the success rate of injection? How to improve the efficiency of guessing? Please keep looking at the advanced article. Section one, using system tables to inject

http/1.1 host:localhost user-agent:anka9080 ', (Select (Sleep (5))) # Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 accept-language:zh-cn,zh;q=0.8,en-us;q=0.5 , en;q=0.3 accept-encoding:gzip, deflate cookie:csrftoken=zfppdqbdhjpj7xbh8z3amqaxhvv8vvcs Connection:keep-alive The results will be found waiting for 5s to receive the website return information, delay injection test Succe

, remove the check box before ie menu> Tools> Internet Options> advanced => show friendly HTTP Error messages. Otherwise, no matter what error is returned by the server, ie Only displays as an HTTP 500 server error and cannot receive more prompts. Section 1. Principles of SQL Injection We will start from www.mytest.com (note: the website has obtained the consent

SQL statements to obtain the desired data. According to national conditions, ASP + access or sqlserver accounts for more than 70% of Chinese websites, PHP + mysq accounts for L20 %, and other websites are less than 10%. In this article, we will explain the methods and skills of ASP injection from entry-level, advanced to advanced. The PHP injection article was w

this kind of hacking, and of course it's important to understand how SQL injects this functionality and learn how to protect your Web database with code.2. Why SQL injection occursSQL injection attacks are the main reason why SQL

The general injection point is http://www.xxxxx.net/list/asp? Id = Num, but with the proliferation of injection technology, a bit of security awareness People Are filtering out obvious injection points, not to mention hacking sites. Remember to see the animation tutorial seems to have a lecture is