Re: Extending CSV output plug-in

[Jason <security () brvenik com>]

Kamran Shafi wrote:
> Hi Jason,
>
> Thanks for the reply. However, due to my ignorance I couldn't get much out
> of it.
> > > inline -- could you please elobarate more.
>
> > > Perhaps it is because command line options override the config file.
> I don't really think so, because the tcpdump output is working without any
> glitches.

Did you try?

> > > You will have to write the code to make packet data available in the csv.
> I guessed so -- can you provide any useful links, where to start from and
> which module/preprocessor to modify??

You should start reading here - http://www.snort.org/docs/#devel

Specifically, look at src/output-plugins/spo_csv.c

For templates check out hte sources in the templates directories.

Please keep replies on list, it doesn't much help the next person when 
things go off-line.


> On Sun, Mar 2, 2008 at 12:52 PM, Jason <security () brvenik com> wrote:
>
> > inline
> >
> > Kamran Shafi wrote:
> > > Hi All,
> > >
> > > I am new to Snort and this is my first mail to this list so please bear
> > with
> > > me.
> > >
> > > First - I have been trying hard for last few days to get csv plug-in
> > work
> > > for me but it has not. I am on Fedora Core 7 and running Snort 2.8.1 the
> > > latest version. I am running Snort with the following command:
> > >
> > > snort -A console -i lo -c test.conf  (please see the output of running
> > this
> > > command at the bottom of this mail)
> > >
> > > I have enabled only one rules file i.e. local.rules and have some test
> > rules
> > > in it.
> > >
> > > the entry for my csv output plug-in in the test.conf file is
> > >
> > > output alert_CSV: /var/log/alert.csv default
> > >
> > > Afterwards I generate some attack traffic and get some alerts on the
> > > console. (please see the output at the end of this mail).
> > >
> > > The problem is that the alert.csv is never created!!!
> > >
> > > I have tried using full mode, -h flag and few other tricks but nothing
> > is
> > > working
> > Perhaps it is because command line options override the config file.
> >
> > > Please note that I have not installed barnyard and assume that it is not
> > a
> > > must for csv module to work.
> > >
> > > My second question is the following:
> > >
> > > If I am lucky enough to configure the csv module correctly with the help
> > of
> > > you gurus, then how can I extend this module to add more details about
> > the
> > > packet payload to the csv output ?
> > >
> > > I have posted similar messages on Snort forum without any response. Any
> > help
> > > is appreciated.
> > You will have to write the code to make packet data available in the csv.

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