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Re: [Snort-users] Extending CSV output plug-in

Subject: Re: [Snort-users] Extending CSV output plug-in
Date: Sun, 02 Mar 2008 21:48:23 -0500


Kamran Shafi wrote:
Yes - all other outputs i.e. tcpdump, fast, standard are working properly.
Its only csv that is not producing any output.

Possibly. Paste your conf to http://snort.pastebin.com and the entire 
output of running the command snort -l /tmp -i lo -c test.conf


Thanks for pointing to the Snort development site.

Apologies for posting to private e-mail unintentionally.

Come on guys, is there anyone to point out where I might have problem??????

On Mon, Mar 3, 2008 at 12:14 PM, Jason <security@brvenik.com> wrote:


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 2.8.1the
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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