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Burp Extender

Burp Extender lets you extend the functionality of Burp Suite in numerous ways.

Extensions can be written in Java, Python or Ruby.

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extract all parameters in request before scanner starts

Moein Feb 28, 2017 05:40AM UTC

I need to extract all parameters in request before scanner starts.
I know that "doActiveScan" of IScannerCheck interface finds parameters, but parameter names can be extracted after active the scanner starts working.
but I need parameter names before scanner starts, so I can select which parameters to scan.
I think it can be done with IScannerInsertionPointProvider, but I don't know how to do it.

Dafydd Stuttard Feb 28, 2017 09:55AM UTC Support Center agent

Yes, you can do this with IScannerInsertionPointProvider. Have a look at the following sample extension for more details:

Moein Fatehi Mar 01, 2017 07:40AM UTC
it has get "one" parameter which is known from past.
but I want to extract "ALL" parameters of any unknown request.
I don't have pre-knowledge about the request and parameters.

Dafydd Stuttard Mar 01, 2017 08:38AM UTC Support Center agent

You can use the following API to analyze a request and obtain its parameters:,%20byte[])

Moein Fatehi Mar 04, 2017 08:10AM UTC
it doesn't return all parameters which active scanner does.
if you give a POST request to it, it just returns POST parameters in data segment.
if you give a GET request, it just returns cookie parameters.
but active scanner also uses these parameters:
*referrer, user Agent, Name_URL, Name_BODY
I want all these parameters.

Dafydd Stuttard Mar 08, 2017 03:07PM UTC Support Center agent

The analyzeRequest API does handle all parameters in the URL query string, cookies, and message body (if URL-encoded format).

It doesn’t give you the additional insertion points that the scanner uses, such as Referer header, or additional parameter name.

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