[Snort-users] Testing Snort

Josh Bitto jbitto at ...16055...
Wed Jan 30 15:07:56 EST 2013


Is there a wiki or a Descriptions database that goes into more detail on rules when they fire?

From: Justin Knox [mailto:jknox at ...16001...]
Sent: Wednesday, January 30, 2013 11:22 AM
To: Jeremy Hoel
Cc: Josh Bitto; Snort Users
Subject: Re: [Snort-users] Testing Snort

Another possibility would be to use tcpreplay[1] and some captures from some of the known repositories [2,3]. If you're trying to prove out snort inline in this manner, you might need to spend some time making sure you've got your lab bench laid out as needed so you can do this though.

If you can, you might want to also try snagging a capture of the traffic you're looking to monitor and/or control and use tcpreplay on your bench to prove out background noise, and maybe even look into tuning your ruleset prior to deployment.

[1] http://tcpreplay.synfin.net/
[2] https://www.evilfingers.com/repository/pcaps.php
[3] http://pcapr.net/home

On Wed, Jan 30, 2013 at 12:44 PM, Jeremy Hoel <jthoel at ...11827...<mailto:jthoel at ...11827...>> wrote:
Then you best bet is to through a scan or known bad traffic at a
target.. so it cross the wire and you can see it as expected.  There's
lots of different tools to do that.

Or, write a custom rule looking for a payload and use hping to send
that payload.  Then you've verified that your local rules are working
and that it sees traffic on the wire from one host to another.

On Wed, Jan 30, 2013 at 5:28 PM, Josh Bitto <jbitto at ...16055...<mailto:jbitto at ...16055...>> wrote:
> Well I have snort running on a test lab to see how well it actually runs. I figured out my problem that I had in pfsense. I had to bridge my WAN and LAN together for snort to actually start. That being said I can see alerts and that all works. Now my real work is to be started and test to make sure that snort runs ok with our network. So I want to similate bad traffic so I can so my boss and say hey this works let's use it...
>
>
>
> -----Original Message-----
> From: Jeremy Hoel [mailto:jthoel at ...11827...<mailto:jthoel at ...11827...>]
> Sent: Wednesday, January 30, 2013 9:25 AM
> To: Josh Bitto
> Cc: Snort Users
> Subject: Re: [Snort-users] Testing Snort
>
> If you want to see if it alerts on packets in general, you can load PCAPs from a number of sources and read them through to see if the rules fire.  If you want to see that it's seeing network traffic and alerting, you can make a local rule for something and then send that traffic and see if that fires.
>
> Otherwise, what are you trying to test?
>
> On Wed, Jan 30, 2013 at 5:17 PM, Josh Bitto <jbitto at ...16055...<mailto:jbitto at ...16055...>> wrote:
>> Does anyone know of a good tool to use to test my IPS? I know of
>> Metasploit...but I'm not sure if there is something that is better or
>> something broader in spectrum to test.
>>
>>
>>
>>
>>
>>
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