Burp Suite...

[A] What is burp suite?

Burp Suite is one of the most popular security testing tools. Burp Suite is a tool that analyzes web applications outside of their graphical user interface (GUI) in order to identify vulnerabilities such as cross-site scripting and SQL injection. It is a specific type of proxy server that sits between the user's web browser and the web server, monitoring and altering all data sent back and forth. Proxy, repeater, intruder, scanner, decoder, and other tools are all included in Burp Suite.

? Proxy: Users can monitor and modify HTTP requests that are transmitted back and forth between their web browser and the web server by utilizing Burp Suite's proxy capability. This enables the monitoring and modification of internet traffic, which might be utilized to identify potential security vulnerabilities.

? Repeater: Burp Suite Repeater enables us to receive a request, make any modifications, and then send it again. When we need to forecast a payload by trying multiple approaches (like in SQLi) or when we need to ascertain whether an endpoint has any issues, this can be quite useful.

? Intruder: Burp Suite's intruder feature enables you to initiate several attacks on a distant website. These techniques, which include brute force and dictionary attacks, can be used to identify flaws in the online application's authentication processes.

? Scanner: Users can utilize Burp Suite's scanner feature to look for security flaws on a particular website. This tool automates the testing process and provides comprehensive reporting on any vulnerabilities found.

? Decoder: Burp Suite's decoder tool enables users to decode a variety of data types, including URL encoding. This can help identify potential security vulnerabilities in the web application's data handling.

[B] When to use Burp suite?

Because hackers are always looking for new ways to intercept calls, make sure they can't.

[C] Why to use Burp suite?

? Verify the dependability and security of apps and web applications. ? The burp suite allows us to examine an application's or website's vulnerabilities.

Downloading and Setting Up Burp Suite on Windows

Visit the Burp Suite website and get the installer by clicking this link. (https://portswigger.net/burp/releases)

To complete the installation process, start the installer, adhere to the directions, and select "new temporary project" and "use burp defaults."

Click on Start Burp

Make a short-term Burp Suite Community version project.

Configuring Burp Suite

1. Configure the Proxy: In order to intercept traffic using Burp Suite, you must modify the proxy settings. Choose the "Options/Proxy Setting" sub-tab after navigating to the "Proxy" tab.

2. A table entry should have a ticked Checkbox in the Running column and "127.0.0.1:8080" in the Interface column.

3. You may adjust this setting to enable the listener to listen to other ports by just clicking the "Edit" button and changing the port number to a different value.

4. Click the "Intercept is off" button to enable it after selecting the Proxy > Intercept tab. You can modify any request or response before sending it out by using this toggle.

[D] Burp Suite Intruder Tab

This is a very powerful tool that may be used to carry out different types of online application attacks. It may be used to swiftly and effectively complete a range of testing tasks and is incredibly easy to set up. It is the best tool for both brute-force attacks and very difficult blind SQL injection operations. Burp Suite Intruder usually works by submitting an HTTP request, though you can alter this to your liking. This tool can be used to analyze the application's responses to queries.

A set of payloads and the exact location within the base request where the payloads are to be discharged or implanted must be included in every assault. These days, we can develop or construct your payloads in a number of methods. There are numerous payloads available, including a runtime file, a bit flipper, a brute force, numbers, a basic list, and a username generator. The Burp Suite intruder uses a number of methods to place these payloads precisely. Using the Burp Suite, intruders can collect IDs, obtain pertinent data, and perform vulnerability fuzzing techniques.

To carry out a successful attack using Burp suite Intruder follow these steps:

? Look for the identification that is typically underlined in both the request and the answer attesting to its legitimacy. ? After that, set up a single payload position sufficient to execute the attack

Use the Payload type drop-down to generate all identifiers needed to test, using the correct format.

You can either load a simple list of numbers, text, or alphanumeric characters and save it as a text file, or you can add the payload consecutively, assuming you want to use Burp Suite Intruder to brute force the password to an application. After supplying some of these important details, you can click the Start attack button to launch an attack. The next pop-up page will be the result page, which you need to review.

The picture below illustrates how various IDs yield varying HTTP status codes and response lengths. The correct password, which you can use to log in, is the one that is different from the others in terms of status and length. You can also try brute forcing the username and password at the same time if you are not sure what your login credentials are.

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