I. About SQL injectionSQL injection is a common technique for invading Web applications. SQL injection is a result of changing the original SQL statement execution logic using the application system's programming vulnerability and the syntax
Knowledge about SQL Injection bypass and SQL Injection Bypass
I. Concept of bypassing waf
Start from step 1, analyze at, and then bypass.
1. Filter and, or
preg_match('/(and|or)/i', $id)Filtered injection: 1 or 1 = 1 1 and 1 = 1Bypassed injection: 1
Summary of SQL Injection bypass techniques, SQL Injection Bypass
Preface
SQL Injection was a common vulnerability long ago. Later, with the improvement of security, SQL injection was rarely seen. However, today, many websites are running with SQL
Web hacker always survive in the constant struggle with WAF, manufacturers constantly filter, Hacker constantly bypass. WAF Bypass is an eternal topic, many friends also summed up a lot of strange tricks. Well, today I'm here to do a little literacy.
The first name before this article is: WAF bypass for SQL injection #理论篇, I submitted freebuf on June 17. Link: Click here now Blog recovery, special hair here.Web hacker always survive in the constant struggle with WAF, manufacturers constantly
Web hacker always survive in the constant struggle with WAF, manufacturers constantly filter, Hacker constantly bypass. WAF Bypass is an eternal topic, many friends also summed up a lot of strange tricks. Well, today I'm here to do a little literacy.
With the rapid development of Web applications and the continuous maturation of technology, the demand for web development-related jobs is increasing, and more and more people are joining the ranks of web development. However, due to the uneven
0x00 Preface
Currently, some injection prevention programs are built in mainstream CMS systems, such as Discuz and dedeCMS. This article mainly introduces the bypass method.
0x01 Discuz x2.0 anti-Injection
Anti-injection Principle
Here, we take
D Shield old version:00 PrefaceD Shield _iis Firewall, currently only support Win2003 server, the former saw the official blog said D Shield new version will be launched recently, I believe that the function will be more powerful, this side to share
Reprinted from: Https://bbs.ichunqiu.com/thread-12105-1-1.html What is SQL injectionSQL Injection Basic IntroductionStructured Query Language (structuredquery Language, abbreviation: SQL) is a special programming language for standard data query
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