Snort mailing list archives

Re: Snort-devel Digest, Vol 13, Issue 7


From: İzzettin Erdem via Snort-devel <snort-devel () lists snort org>
Date: Mon, 11 Jun 2018 01:08:17 +0300

I am working on Snort 2.9.11, is there any way to learn which alert belongs
to which packet ?

2018-06-10 19:00 GMT+03:00 <snort-devel-request () lists snort org>:

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Today's Topics:

   1. Re: SNORT Alert Messages (Russ)


----------------------------------------------------------------------

Message: 1
Date: Sat, 9 Jun 2018 22:36:25 -0400
From: Russ <rucombs () cisco com>
To: snort-devel () lists snort org
Subject: Re: [Snort-devel] SNORT Alert Messages
Message-ID: <1631bb59-8caf-a0ce-55ab-0ea5b17448c8 () cisco com>
Content-Type: text/plain; charset="windows-1252"; Format="flowed"

For Snort 3:? snort -A csv will get you output like this by default:

05/28-08:07:32.663858, 1, TCP, raw, 40, C2S, 10.1.2.3:48620,
10.9.8.7:80, 1:1:0, allow

The second field is the packet number.

On 6/9/18 9:05 PM, Y M via Snort-devel wrote:
Besides reviewing the pcap, you can also do the following:

In Snort 2 > -A console:test
In Snort 3 > -A log_hext , this will get you closer but not what you
are looking for. You can play with?--lua "log_hext = { raw = true }",
but I didn't get the output you are looking for.

YM

------------------------------------------------------------------------
*From:* Snort-devel <snort-devel-bounces () lists snort org> on behalf of
Y M via Snort-devel <snort-devel () lists snort org>
*Sent:* Sunday, June 10, 2018 3:21 AM
*To:* snort-devel () lists snort org
*Subject:* Re: [Snort-devel] SNORT Alert Messages
Comments inline.

------------------------------------------------------------------------
Hello again everyone,

I want to learn which alert belongs to which packet when SNORT prints
alert messages. Is there any unique parameter that identifies packets?

Such questions are better suited to the snort-user list. You will
probably?catch wider audience there.

For example, when I give a pcap file which includes more than 50.000
packets inside to SNORT, I want to see alert messages like that:

[some alert] - Packet ID: 125
[some alert] - Packet ID: 200
[some alert] - Packet ID: 1456
.
.
.
[some alert] - Packet ID: 23500

Which Snort version are we talking about here?

If there not exist unique parameter for packets, how can I learn
which alert belongs to which packet from alert messages ?

By reviewing the packets via tcpdump/wireshark/tshark and correlating
that to the detected rules? You can also chop your pcap to smaller
chunks, which should make it easier.

Thanks.



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