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Re: Webscarab how to?

Subject: Re: Webscarab how to?
Date: Tue, 04 Jul 2006 15:03:34 +0200
mr.nasty@ix.netcom.com wrote:
Thanks for the info.  I had seen some of these posts and was hoping to start 
something of a users discussion about WebScarab since it appears to be the only 
FREE tool out there that performs web application vulnerability analysis.

I know I'm asking a lot but I think briefing like a how to say set up a fuzzer;

EXAMPLE:
After setting up the proxy and viewing a conversation, select and right click a 
conversation ID.  Select "Use a Fuzz Template" and click on Fuzzer.

The conversation appears.

What are some of the changes you can make to the;
1) Method
2) URL
3) Header (info)
4) Value
5) Parameters
   a) Location
   b) Name
   c) Type
   d) Value
   e) Priotiy
   f) *Fuzz Source
      *Using the "Fuzz Source" click on "Sources" at the bottom of Parameters.  This 
should open a "Fuzz Sources" dialog box.

I created a .txt file using upper and lower case letters, all numbers 0-9, and 
other characters one line each.  I put the file in the webscarab/scripts 
directory and called it ascii.txt.  I browsed to the file and added the file 
and received the following;

ava.lang.NullPointerException
        at java.util.TreeMap.compare(Unknown Source)
        at java.util.TreeMap.getEntry(Unknown Source)
        at java.util.TreeMap.get(Unknown Source)
        at 
org.owasp.webscarab.plugin.fuzz.FuzzFactory.getSource(FuzzFactory.java:70)
        at 
org.owasp.webscarab.plugin.fuzz.swing.FuzzerPanel$ParameterTableModel.setValueAt(FuzzerPanel.java:1119)

I think that you need to make sure to accept the change when setting the Fuzz Source, possibly by pressing Enter.



The bottom left indicates "Started" with 8.18/63.56. Not exactly sure what that means.

Did you really have fractions? That is VERY weird!


But I think we could set up a presentation for just about the entire webscarab thing for setting up or using "WebServices, Manual Requests, Spider, Extensions etc."

I'm willing to help with whatever I can do.

Thanks


I have written up a description on what the various columns are, etc. You can find it at http://www.owasp.org/index.php/Fuzzing_with_WebScarab


I hope that this explains things a bit better.

Regards,

Rogan

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