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
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
From: http://kyle-sandilands.com /? P = 1995
WAF BYPASS SQL INJECTION
This is such a wide Topic, but today were going to examine WAF bypas and SQL injection What is a WAF? A waf is a Web Application Firewall used to filter certain malicious requests
SQL Injection tianshu-Asp Injection Vulnerabilities Author: Nb Alliance-Xiaozhu (QQ: 48814) Introduction With the development of the B/S mode application, this mode is used to write the applicationProgramMore and more programmers. However, due
With the development of B/S application development, more and more programmers are writing applications using this mode. However, due to the low entry threshold in this industry, the programmer's level and experience are also uneven. A considerable
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.