waf firewall

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

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

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

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

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

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' => '\

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

--DNS One # A # See ALSO -# DNS-SD (1), Scutil (8) - # the# thisfileis automatically generated. -#As you can see, the command is partially identified/??? /c?t =/bin/catThird, WAF rule set:The WAF engine-based set of rules for detection and response (release or blocking) of the payload partFor example, payload filtering for OS Command injection:Rule1 Filter | (%7c) Character URL encoding%26 even/(%2f) and s

Part 1 Preface　　Part 2 kill code executionEval or preg_replace the/E modifier to execute the DA ma code.　　　$a = ' phpinfo (); ' ; Eval ($a); // eval execute PHP codeCodingIf you go directly to execute the code, is not able to get over the WAF, we generally need to code the DA Ma source code.EVAL_GZINFLATE_BASE64 type encryption and decryption:http://www.zhuisu.net/tool/phpencode.phphttps://www.mobilefish.com/services/eval_gzinflate_base64/eval_gzinfla

: if (ch >= '0' ch This function discards % if the first character after % is not in hexadecimal range when processing the % code, otherwise, % and the first character are discarded if the second character is not in the hexadecimal range, the specific manifestation is the SQL Injection keyword select. If it is written as s % elect, after ngx encoding, it will become slect to bypass waf filtering rules, for example, IIS asp codes s % ele

From chance to discover a MySQL feature to Wooyun WAF bypass problemmayikissyou | 2015-06-19 12:00At the time of the test, the occasional opportunity to discover a MySQL feature,Why is it a chance?During a test I did the following on the MySQL console:Did you see anything?I found that when the error, such as-+{, such as the sign error when the prompt is "(double quotes Nothing), but as a select after adding 1 A and other content of the report isSelect

random whitespace characters in a valid set of alternate character sets unionalltounion.py Replace "union ALL Select" with "union select" unmagicquotes.py replacing whitespace with a multibyte combination%bf%27 and the end-of-general comment varnish.py Add an HTTP Header "X-originating-ip" to bypass the WAF versionedkeywords.py surround each non-function keyword with mysql annotations versionedmorekeywords.py surround each keyword with MySQ

Instance 1, WAF Filter: ”onmouseover” Instance 2, WAF detects alert, because many automatic detection tools use this statement to test XSS “ onmouseover=alert(‘XSS within input field’)or Bypass: 1, use confirm as the payload instead of "alert" instance 3, Encode to byPass Filter :“eval(atob(“encryptedcontent”))”/*“Y29uZmlybSgxKTs=” is base 64 encoded “confirm(1);”*/URL:http://somesite.com/search?searchterm=

Touniu main site Delayed Injection + waf Bypass Tuniu has update injection in the place where the visitor information is modified, but it cannot appear because of waf, because the update information is based on and separated.Waf is easy to bypass. You can use the second url encoding. This is because it cannot appear, so it is also difficult to note busy here.However, substring ('R' from 1 for 1) can be us

One ThinkSNS SQL injection (ignoring WAF) Found during development. Apps/page/Lib/Action/DiyAction. class. php line 192: public function doCopyTemplate() {$id = intval ( $_POST ['id'] );$page = $_POST ['page'];$channel = $_POST ['channel'];$databaseData = D ( 'Page' )->getPageInfo ( $page, $channel );$result = $this->checkRole ( $databaseData ['manager'], $databaseData );if ($result ['admin']) {echo D ( 'pageTemplate' )->saveCopyAction ( $id, $this->

Example of modsecurity rule syntaxSecrule is a modsecurity the primary directive, which is used to create security rules. The basic syntax is as follows:Secrule VARIABLES OPERATOR [ACTIONS] VARIABLESRepresentative HTTP The identity item in the package that specifies the object that the security rule targets. Common variables include:ARGS(all request parameters),files(all file names), and so on. OPERATORrepresents an operator that is typically used to define the matching criteria for a sec

Baidu cloud acceleration waf Bypass Http://www.im286.com/forum.php? Id = 1 and 1 = 1 through which we know that the website uses the waf of Baidu cloud acceleration.However, Baidu waf does not process the % character, causing SQL injection to be bypassed.This is my own environment.Htpp: // 192.168.1.100/test2.asp? Id = 1% 20un % ion % 20se % l % e % ct %, 5, pas

One ThinkSNS SQL injection (ignoring WAF) Apps/page/Lib/Action/DiyAction. class. php line 192: public function doCopyTemplate() {$id = intval ( $_POST ['id'] );$page = $_POST ['page'];$channel = $_POST ['channel'];$databaseData = D ( 'Page' )->getPageInfo ( $page, $channel );$result = $this->checkRole ( $databaseData ['manager'], $databaseData );if ($result ['admin']) {echo D ( 'pageTemplate' )->saveCopyAction ( $id, $this->mid, $page, $channel );}

When we get the target server, we usually use artifact Mimkaz to fetch the clear-text password of the target server, but if the target server is configured Waf,mimikaz cannot crawl, it is possible to download the DMP file with account password to local to use Mimikaz crawl.Realize the same system environment as the target machine. Then use the following command to download the DMP file;Procdump.exe-accepteula-ma Lsass.exe%computername%_lsass.dmpThis p

Common URL encodings include UTF (% xx) and hexadecimal encoding (% xx). Most IDS and WAF can be identified and decoded before regular matching. However, in addition to the two types of encoding, the IIS web server also supports another non-standard encoding, namely, % u Encoding (% uxxxx ). For more information, see the original document. I have to say that some technologies will not be old. The key is that you do not care. That is to say, the reques