Snort mailing list archives

Re: SMB PREPROCESSOR


From: sec hot via Snort-users <snort-users () lists snort org>
Date: Mon, 31 Dec 2018 23:28:44 +0200

attached
unfortunately i cannot add pcap because it is contains real data .
the rule trying to detect LDAP query from cli ,  for example :

net group "domain admins" /domain

On Mon, Dec 31, 2018 at 9:56 PM Al Lewis (allewi) <allewi () cisco com> wrote:

Can you share the rule, the conf file and pcap?



It may be easier to help if you show what your working with.



*Albert Lewis*

ENGINEER.SOFTWARE ENGINEERING

Cisco Systems Inc.

Email: allewi () cisco com





*From: *Snort-users <snort-users-bounces () lists snort org> on behalf of
sec hot via Snort-users <snort-users () lists snort org>
*Reply-To: *sec hot <sechot44 () gmail com>
*Date: *Monday, December 31, 2018 at 2:55 PM
*To: *"snort-users () lists snort org" <snort-users () lists snort org>
*Subject: *[Snort-users] SMB PREPROCESSOR



Hi

How preprocessor work?

I create smb rule that detect content in smb packet, for some reason the
rule is not trigger all time, i am send the same packet over and over and
only for the third time the rule is trigger, is it related to the smb pre
process? Why is that?

Attachment: snort.conf
Description:

Attachment: local.rules
Description:

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