1.6 GPL (GNU General Public License)    
3.7/5 21
A Java-based stateless network protocol fuzzer developed for penetration tests





JBroFuzz is a web application fuzzer for requests being made over HTTP and/or HTTPS. Its purpose is to provide a single, portable application that offers stable web protocol fuzzing capabilities.

Vulnerability Identification

JBroFuzz generates requests, puts them on the wire and records the corresponding responses received back. It does not attempt to identify if a particular site is vulnerable or not; this requires further human analysis.

However, certain payloads included in fuzzers that can be used to generate requests (e.g. XSS) are crafted to attempt to successfully exploit flaws. Such flaws represent previously known vulnerabilities for web applications. JBroFuzz groups fuzzers with their corresponding payloads into a number of categories, depending on previously known vulnerabilities.

Thus, the human analyst would have to select the fuzzers to use in order to test against a particular set of vulnerabilities and review the results in order to recognize if exploitation succeeded or not.

Application Overview

The components of JBroFuzz are all integrated into a single window and can be accessed through individual tabs. These tabs are:

Fuzzing The fuzzing tab is the main tab of JBroFuzz, responsible for all fuzzing operations performed over the network. Depending on the fuzzer payloads selected, it creates the malformed data for each request, puts it on the wire and writes the response to a file.

Graphing The graphing tab is responsible for graphing (in a variety of forms) the responses received while fuzzing. This tab can offer a clear indication of a response that is different then the rest received, an indication of further examination being required.

Payloads The payloads tab is a collection of fuzzers with their corresponding payloads that can be used while fuzzing. Payloads are added to the request in the fuzzing tab; a more clear view of what payloads are available, how they are grouped and what properties each fuzzer has can be seen in this tab.

Headers The headers tab is a collection of browser headers that can be used while fuzzing. Headers are obtained from different browsers on different platforms and operating systems. This tab is provided, as many web applications respond differently to different browser impersonation attacks.

System The system tab represents the logging console of JBroFuzz at runtime. Here you can access java runtime information, see any errors that might occur and also track operation in terms of events being logged.
Last updated on September 30th, 2009

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