mailing list archives
Re: HTTP Brute Force NSE script
From: David Fifield <david () bamsoftware com>
Date: Wed, 1 Apr 2009 08:57:07 -0600
On Wed, Apr 01, 2009 at 04:13:07AM -0300, João wrote:
Today I was studying about coding in NSE and for such task I've tried
to develop a simple script. I've based myself in the other scripts
that are available with nmap and I've written a small script for
performing HTTP Brute Forcing based on wordlists.
Of course it is very slow by now. I've used only functions that are
already done in nselib. Soon I'll try to write a few more functions to
improve performance (such as pipelined http requests).
Thanks João, this script looks very well written. Were you aware of the
http-auth.nse script (http://nmap.org/nsedoc/scripts/http-auth.html)? It
seems to do almost exactly the same thing. Maybe you can comment on
advantages each script has over the other?
We had a patch submitted to add MD5 authentication to http-auth.nse, but
it needed some work and we haven't seen an updated copy.
For the script work properly, the user is supposed to have two
wordlists on the same dir as the script. The files are passwords.lst
and usernames.lst, and they both have a list of usernames and
passwords (kind of obvious :-).
For user name and password guessing the preferred approach is to use the
However I have resisted adding new authentication credentials to
http-auth.nse because while it's easy to just add a load of passwords,
all they do is slow a scan down unless they are passwords that are
actually used. I would prefer to see a list of credentials that is
tailored for HTTP services, such as default passwords for weblog
software and home router admin pages, with numbers giving a general idea
of how often they are used.
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