node waf

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PHP's two features cause WAF to bypass injection (interesting knowledge points) ____php

1, HPP http parameter Pollution http parameter pollution means that the server side usually does some processing when submitting two parameters of the same key value in the URL. For example, Apache is going to take the last argument, for example: user.php?id=111id=222 If you output a $_get array, the ID's value will only take 222, i.e. the extra value submitted on the URL overrides the previous value. 2, a CTF topic http://drops.wooyun.org/tips/17248 About the injected

Attackers can bypass WAF interception by using HTTP parameters.

Translation: pnig0s _ Small PLast week, I was invited to team up for a CTF flag race organized by CSAW. because of my wife and children, I can only pick one question related to Web vulnerability exploitation, called "HorceForce ". this question is worth 300 points. The general background of this question is that you have a low-privilege account and need to find a way to obtain administrator permissions.Of course, there are many ways to introduce how to pass the customs clearance, but I want to s

Nginx+lua implements a simple WAF Web Firewall feature

. As follows:Enter the source code directory of the nginx1.8. Execute the following series of commands:# import environment variables, compile# Exportluajit_lib=/usr/local/lib #这个很有可能不一样# exportluajit_inc=/usr/local/include/luajit-2.0# This is probably not the same# cd/home/tools/lnmp1.2-full/src/nginx-1.8.0#./configure \--user=www--group=www \--prefix=/usr/local/nginx \--with-http_stub_status_module \--with-http_ssl_module \--with-http_spdy_module \--with-http_gzip_static_module \--with-ipv6 \-

WAF builds the "Great Wall of Security" for banking Web applications"

As commercial banks move more and more businesses to the Internet, online business forms represented by online banking have been widely used in China. However, after the banking system is networked, the network security problem poses a huge challenge to banks. More and more banks are adopting Web application firewall (WAF) to protect the security of Web application systems. The Online Business System of a commercial bank in Guangzhou includes: Web Sit

Tips for waf Bypass

More and more servers will be added to waf. How to bypass: Waf is suitable for code layer separation, that is, it is not specifically customized, it also prevents General injection or cross-site. The following is a case study: When encountering such a server, he has a page with the search function. If the request is submitted as post in the search, the modified characters are displayed in the URL. For

WAF and IPS

the attack may cause to the enterprise;Accurately identify various network traffic, reduce false positives and false alarms, and avoid affecting normal business communications;Comprehensive and granular flow control function to ensure the continuous and stable operation of business critical business;Rich high availability, providing bypass (hardware, software) and HA reliability Assurance measures;Scalable multi-link IPs protection to avoid unnecessary duplication of security investments;Provid

Top 10 open source web application firewils (WAF) for webapp Security

Web application firewils provide security at the application layer. Essential, WAF provides all your web applications a secure solutionWhich ensures the data and web applications are safe.A Web Application Firewall applies a set of rules to HTTP conversation to identify and restrict the attacks of cross site scripting,SQL injections etc. you can also get Web application framework and web based commercial tools, for providing security to Web applicatio

How to use Sqlmap to bypass WAF

Label:WAF (Web application firewall) is becoming one of the standard security solutions. Because of it, many companies don't even care about vulnerabilities in Web applications. Unfortunately, not all WAF are non-circumvention! This article will tell you how to use the injection artifact Sqlmap to bypass Wafs/idss.SVN download the latest version of SqlmapSVN checkout Https://svn.sqlmap.org/sqlmap/trunk/sqlmap Sqlmap-devOur focus is on using the tamper

Cookie security protection for WAF Development

Cookie security protection for WAF DevelopmentI. preface the Cookie security protection function mainly achieves the following two goals: 1. Prevent XSS attacks from stealing user cookies2. Prevent Cookie-based SQL injection, command injection, and other messy attacksAdvantages 1. Security (Please advise if you have any ideas to crack)2. General3. easy configurationDisadvantages 1. Identify Based on IP addresses. In the case of the same Internet IP ad

Site WAF Detection

wafw00fWAFW00F identification and fingerprint Web application Firewall (WAF) products.It works by first sending a normal HTTP request, and then observing that it returns no feature characters, and then judging the WAF that is used by sending a malicious request that triggers a WAF interception to get its returned features.Supported

Nginx + LUA Building website Protection WAF (i)

Recently help a friend to maintain a Site. This site is a PHP site. The pit daddy is the agent with Iis. Out of countless problems after unbearable, so I want to help him switch to Nginx above, Pre-scan and CC constantly. finally, a solution like WAF is found to Mitigate. Words do not speak more directly to Start.The role of Waf:Prevent SQL injection, local containment, partial overflow, fuzzing test, xss,ssrf and other web attacks to prevent file lea

Deploy Barracuda WAF cluster on Azure---2

The previous article talked about how to deploy Barracuda on Azure. This article discusses how to configure Barracuda. License Apply to Barracuda's sales staff for the license of the WAF. After getting license, open the admin interface of the Barracuda that you just installed:http://azurebrcd.chinacloudapp.cn:8001http://azurebrcd.chinacloudapp.cn:8002See the following page:Click I already have a license Token, appear:Enter the resulting

03-15 defending WAF

I have been in charge of WAF testing for two years. As a product independently developed by lumeng, I watched her grow up. Despite the occasional stress of testing, every time I think of your progress, I am confident. Barracuda published the WAF of bs Green League on their official website, saying that it is the difference between QQ and BMW. I think, as a big brother barracuda, I have been in the

Starling xingwei WAF helps Yunnan Power Grid's Web services run without worry

The Web business system of Yunnan Power Grid Corporation plays an important role in ensuring the normal operation of the power system. Therefore, Yunnan Power Grid chose the Web Application Security Gateway (WAF) to protect the security of Web business systems. Yunnan Power Grid Corporation is responsible for the transportation and sales of power supplies in Yunnan province, and is responsible for the unified planning, construction, management, and s

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 to register in GFE, GFE will be transferred to the correct certificate, Secure your TLS c

Using tamper scripts in Sqlmap to bypass WAF

Tags: class log should be FN useful hash with random defineUse tamper script in Sqlmap to bypass WAF script name: 0x2char.pyfunction: Replace the apostrophe character with the UTF-8 full-width corresponding characterFunction: With equivalent concat (CHAR (), ... Corresponds to replacing each (MySQL) 0x Test object: MySQL 4,5.0 and 5.5 >>> Tamper ('select 0xdeadbeef') 'select CONCAT (CHAR (222), char (173), char ($), char (239))'Script

MSSQL WAF Bypass (2)

0x00 Preface The last bypass was too simple to be able to draw data or get permission, this time continue to bypass, get the data0x01 process Or the last site, simple judgment, presence injectedFind and number, exec, union Select, select Number ... Be filteredfound that the Execute function was not filtered and the dog did not show that the function could be usedexecute(‘sql语句‘) //execute函数中可以写sql语句,且为字符串,那么就可以传入一些变形字符串来绕过wafVerify it locally.Some variantsJust this time using SQL Se

Web Application Firewall (WAF) entry (1)

Web Application Firewall, also known as WEB Application Security Firewall (WAF), has become increasingly popular since the end of. In the past, these tools were monopolized by a few large projects. However, with the emergence of a large number of low-cost products, as well as open-source trial products available for choice, they can eventually be used by most people. In this article, we will first introduce what Web application firewall can do, and th

The tipask q & A system bypasses waf SQL Injection in multiple places

The tipask q A system bypasses waf SQL Injection in multiple places The system allows the registration of usernames containing backslash ("\"), which can cause multiple SQL Injection Vulnerabilities, because the system has 360WAF defense, WAF protection is perfectly bypassed by combining multiple parameters at the same time. function checkattack($reqarr, $reqtype = 'post') {$filtertable = array('get' => '\

Easy post injection and cross-site defense (such as safedog) around various WAF)

XXX has previously submitted multipart requests to bypass various WAF Methods: One of the defects of WAF 360 website, quickshield, jiasule and other similar products, which does not seem to attract much attention. Today, I found that the dongle was so intelligent that he didn't want to eat it. But I submitted a binary file domain to the dongle and it was xxoo. Be sure to use binary files, images, compressed

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