google waf

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SQL injection bypass and defense techniques for WAF

begins on the basis of the case bypass. There are three main types: URL encoding, hex encoding, Unicode encoding. Entering a URL in a browser will encode the URL once and the hacker will bypass the WAF with multiple encodings. For example: Id.php?id=1%2520union/**/select, the database gets the id.php?id=1 union/**/select. If Id.php?id=1%20union/**/select is only decoded once, it is possible to bypass the WAF

WAF series-Free advertisement Router web Authentication Settings (1), WAF

WAF series-Free advertisement Router web Authentication Settings (1), WAF Recently, the advertisement router is very popular. After a half-day tutorial on the Internet, the web Authentication background is successfully connected today. Sort it out. In fact, we can connect to each other in just one minute. If you start to explore from 0, it will waste a lot of time if you do not clear many concepts. Here, w

Waf xss bypass posture

, Quick Defense filtering rules are insufficient to support web applications at the product level. Although there are many JS events in the blacklist, some coding technologies can be used to bypass them. 7.1 first bypass: OnSearch JS event + Unicode encoding (Google Chrome) Type = "search" onsearch = "aler \ u0074 (1)"> 7.2 second bypass: OnToggle JS event + Unicode encoding (Google Chrome) Ontoggle = "al

Notes for bypassing waf

replace the first @ ''' with @ ''', so that the second @ 4 can be replaced. attackers can bypass a waf-by havij /*!30000union all select (select distinct concat(0x7e,0x27,unhex(Hex(cast(schema_name as char))),0x27,0x7e) from `information_schema`.schemata limit 10,1),null,null,null,null*/--list.php?yw=bjid=3id=1 /*!30000union all select (select concat(0x27,uid,0x5e,username,0x5e,password,0x5e,email,0x5e,salt,0x27) from `gs_ucenter`.uc_members limit 0,

Some summary and thinking of WAF bypass

WAF classification:1. Network Layer Class2. Most common and easy-to-deploy application tier classes (before Apache, after Apache)The application layer waf– leverages the WAF's own flaws and MySQL syntax features and combines the actual bypass:WAF most common detection method: keyword Detection For example, if a [space]union[space] Such an SQL statement is considered a malicious request, discard this packet,

Create an open-source WAF Gateway

This article starts with the author's public Number: Network Security life cycle Original link: Create an open source WAF gateway Background In the Internet industry, Google will secure the infrastructure inside, has always been the major companies to learn the role model, in the Web, through GFE (Google front-end) unified external release, the business only need

WAF Defense Capability Evaluation and tools

WAF Defense Capability Evaluation and tools This article describes how to evaluate a WAF from the defense capability of conventional attacks. A total of 16 attack types are covered, each of which ranges from the Use scenario (The purpose of the attack operation) to the injection point (where the vulnerability is generated, for example, most WAF comprehensively c

Who is WAF and IPS more suitable for protecting Web applications?

Who is the best choice? Web application protection is undoubtedly a hot topic. Because of the maturity of technologies and the increasing expectation of convenience, Web applications have become the mainstream carrier of business systems. The data value contained in the key business systems of "anjia" on the Web has aroused the favor of attackers. The Web vulnerability mining and attack tools circulating on the Internet have lowered the attack threshold, it also makes many attacks blind and rand

About Science WAF (Web appllication Firewall)

1. ForewordWhile Web application is becoming richer, the Web server is becoming the main target for its powerful computing ability, processing performance and high value. SQL injection, Web tampering, Web page hanging Horse and other security incidents, frequent occurrence.Enterprises and other users generally use firewalls as a security system of the first line of defense. But, in reality, they have such problems, such as the traditional firewall system can not respond to the current rapid outb

Aliyun Shield Web site Security Defense (WAF) use Method (graphics) _ Server Other

Move 2 websites to Aliyun, one is because the Aliyun is stable, and the other is the roaring Cloud shield. In the Blog Federation group before the simulation of CC attacks built on the Aliyun ECS on the blog, the results Yun Dun no response, and the site has been hung. This time deliberately look at the CC protection function on the cloud shield, found that some friends do not estimate the correct use of WAF. Therefore, in this article I simply sh

Refer to recruitment and removal: common methods to continue SQL Injection by bypassing WAF

Web Hacker is always in constant struggle with WAF, vendors are constantly filtering, and Hacker is constantly bypassing. WAF bypass is an eternal topic, and many friends have summarized many strange tricks. So today I am going to make a small literacy program. Let's talk about WAF bypass. WAF is a Web application fir

See recruit: Bypass WAF continue SQL injection Common methods

Tags:;; Hacker SQL Sch error security different development lineWeb 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. First, what is the WAF bypass? A

Bypass WAF to continue SQL injection

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. First, what is the WAF bypass?A WAF, simply stated, is a Web applicat

See recruit: Bypass WAF continue SQL injection Common methods

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 filter, Hacker constantly bypass. WAF Bypass is an eternal topic, many friends also summed up a lot of strange tricks.

WAF analysis: Compliance + Web application Protection

WAFWeb Application Firewall and WEB Application Firewall (WAF) are not popular in the global market? Mr. Grant Murphy, global product market manager of barracuda WAF, is clear, but the situation may not be the same for the Chinese market. WAF truth: IPS and IDS are not WAF First, Chinese customers lack knowledge about

Several Methods for bypassing WAF

Several ways to bypass WAF: http://www.80sec.com/%e6%b5%85%e8%b0%88%e7%bb%95%e8%bf%87waf%e7%9a%84%e6%95%b0%e7%a7%8d%e6%96%b9%e6%b3%95.htmlEmail: rayh4c # 80sec.comSite: http://www.80sec.comDate: 2011-09-06From: http://www.80sec.com /? P = 244 0 × 00 Preface At the beginning of, an SQL group injection attack was launched. Hackers swept away the ASP, Asp.net, and MSSQL websites around the world. Because MSSQL supports multi-statement injection, hackers

How to build a reliable WAF (Web application firewall)

How to build a reliable WAF (Web application firewall) (1) What components are included in WAF implementation and how these components interact to implement WAF defense functions (2) How to maintain WAF rules (Policies) Maintenance Rules (Policies), including obtaining channels, rule testing methods and online performa

Several Methods for bypassing WAF

Site: www.80sec.com 0 × 00 PrefaceAt the beginning of, an SQL group injection attack was launched. Hackers swept away the asp, asp.net, and MSSQL websites around the world. Because MSSQL supports multi-statement injection, hackers can use a combined SQL statement to automatically tamper with the field content of the entire database and perform webpage Trojan attacks without any difference on the website. The Internet is updated and iterated quickly, but many organizations that do not have the ab

Nginx security basics (nginx + waf + lua)

: This article mainly introduces the security basics of nginx (nginx + waf + lua). For more information about PHP tutorials, see. Thanks to the documents provided by the online experts. Nginx waf + lua security module, web application firewall on nginx Required software: 1. LuaJIT download site: http://luajit.org (Current stable version: 2.0.4)2、ngx_devel_kit-0.2.19.tar3、lua-nginx-module-0.9.5rc2.tar4、mast

Who is WAF and IPS more suitable for Web application protection?

Who is the best choice?Web application protection is undoubtedly a hot topic. Because of the maturity of technologies and the increasing expectation of convenience, Web applications have become the mainstream carrier of business systems. The data value contained in the key business systems of "anjia" on the Web has aroused the favor of attackers. The Web vulnerability mining and attack tools circulating on the Internet have lowered the attack threshold, it also makes many attacks blind and rando

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