On this page, we click on the “ DVWA” application. We made a POST request to “x.x.x.x/dvwa/login.php”. We will try to log into the Damn Vulnerable Web Application(DVWA) application from the applications on the Metasploitable 2 machine by activating the request interception in Burp (Intercept on). You can open the Metasploitable 2 machine you downloaded from the VMware application. The user of the Metasploitable 2 machine is msfadmin, and the password is msfadmin. You can download the relevant VM from here. You can find the installation on Kali Linux here. Or you can use the vulnerable applications on the Metasploitable 2 machine. You can find the relevant application here. We will use the vulnerabilities in the DVWA implementation. In the “ Decoder” tab, you can enter the inputs you give as strings into encoding & decoding processes. We can also display information such as the address of the request, the type of request (POST, GET, etc.), the request status code (HTTP request status code), the length of the request, etc. In the “ Proxy -> HTTP history” tab, we can see the request history we have made since the launch of Burp. In the “ Raw” tab, we see the “ HTTP GET” request made to the Systemconf server, the outgoing parameters in the request body, and the headers of the request. We will stop and examine the request we made to. “ Intercept on” must be selected so that outgoing requests can be stopped. With “ Forward” the package is sent, with “ Drop” it is dropped. The “ Proxy -> Intercept” option is the part where we can stop and see the requests going to the servers. In addition, CDN libraries may be used on the site we access. Before reaching Google, requests are sent to many sources such as advertising services, statistics & analysis services. This is due to many requests made by browsers in the background. The “ Target -> Site map” tab shows the sites that our browser sent requests.Įven though we have only made requests to and, many sites appear to be made by the browser. update-alternatives -config java update-alternatives –config javaĪs a result of the above steps, we have successfully installed Burp Suite. Among the options, we choose the option that says Java 8-jre. For this, you can run the following command in the terminal. This problem is caused by the Java version. Note: If you are using Kali Linux and you have updated your operating system, the pages may give an “ SSL_ERROR_RX_RECORD_TOO_LONG” error. import certificatesĪs you can see on the screen, the browser no longer gives SSL errors. Then we select the downloaded certificate and click the “ Open” button. On this page, we click on the “ Import…” button. As the next step, we add the downloaded certificate among the certificates that the browser trusts. Download Burp’s certificate from the “CA Certificate” section on the top right. To solve this problem, we need to introduce the Burp Suit certificate to the browser. This is because our browser does not recognize Burp Suite’s certificate. When we come to the browser again, we get the privacy error. We need to ‘ off‘ this setting from the “ Intercept is on” tab. The page will not load because the stop HTTP requests setting is selected by default in Burp Suite. We open the proxy server settings from the browser and make the settings as follows. Click the “ Preferences -> General -> Settings…” button. Click the button with three lines in the right corner. Open “ Mozilla Firefox” to open “ Proxy server settings“. Burp Suite Community EditionĪs the next step, we will listen to the proxy server raised by Burp in the browser. The parts we will use most often here will be “ Proxy”, “ Intruder” and “ Repeater“. The main screen of the program opens as follows. Run the Burp Suite program on Kali Linux as follows. Burp Suite works on Windows, Linux or MacOS operating systems.īurp is installed by default in Kali Linux. For the operations we will describe, this free version will be sufficient. Now we will use the Burp Suite program on Kali Linux. In this article, we will use Burp Suite Community Edition. Burp Suite Working Topologyīurp Suite is also available in a pro version and is paid. We will also examine HTTP requests, manipulate them and try to exploit vulnerabilities if any. That’s why HTTP requests are a cornerstone of web applications. There is a working logic provided by the server responding to the requests made by the web applications using the client browser, that is, by the communication between the client’s browser and the server.
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