Snort mailing list archives
Re: Nessus activity detection quest
From: Y M <snort () outlook com>
Date: Thu, 23 Jul 2015 18:02:44 +0000
Correct. But what I have seen - based on limited testing - and some discussions over the Nessus forums, is that Nessus would enable/disable plugins automatically based on the services/ports/applications discovered even if I explicitly enable/disable plugins. I have seen the rules I mentioned earlier trigger on PCI scans, Advanced Network Scans, and Web Application Scans. This makes me believe that these are triggering during the initial discovery phase of a Nessus scan. However, I haven't verified this assumption by capturing packets or otherwise. YM From: jthoel () gmail com Date: Thu, 23 Jul 2015 13:32:25 -0400 Subject: Re: [Snort-users] Nessus activity detection quest To: snort () outlook com CC: soy_siberiano () yahoo com; snort-users () lists sourceforge net Wouldn't it also depend on the plugins that you are using with Nessus? On Thu, Jul 23, 2015 at 1:10 PM, Y M <snort () outlook com> wrote: There are about 3-5 signatures that almost always trigger when a Nessus scan is initiated with different scan types, at least in all cases that I was able to verify. While these signatures do not identify that a Nessus scan in particular is ongoing, but the fact of seeing them trigger together is indicative of a Nessus scan in all cases I encountered. I will have to dig up some old data to get the sid(s) of these signatures. YM From: jesler () cisco com To: soy_siberiano () yahoo com Date: Thu, 23 Jul 2015 11:06:35 +0000 CC: Snort-users () lists sourceforge net Subject: Re: [Snort-users] Nessus activity detection quest So, you are doing a portscan, and the only alerts you see are portscans? Nessus doesn't actually send exploits at a machine, it scans for the presence of characteristics that would make the machine vulnerable to an exploit. There's nothing for Snort to detect, except the portscan part really. -- Joel Esler Manager, Threat Intelligence and Open Source Talos Group Sent from my iPhone On Jul 23, 2015, at 1:17 AM, Oleg Ruso <soy_siberiano () yahoo com> wrote: Hi List! snort-2.9.7.0 I`m looking for some Snort rules for a Nessus activity detection. Got an another alerts, but my Snort does not reveal a Nessus activity. The preprocessor sfportscan detection only i see. Regards, Alex ------------------------------------------------------------------------------ _______________________________________________ Snort-users mailing list Snort-users () lists sourceforge net Go to this URL to change user options or unsubscribe: https://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://sourceforge.net/mailarchive/forum.php?forum_name=snort-users Please visit http://blog.snort.org to stay current on all the latest Snort news! ------------------------------------------------------------------------------ _______________________________________________ Snort-users mailing list Snort-users () lists sourceforge net Go to this URL to change user options or unsubscribe: https://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://sourceforge.net/mailarchive/forum.php?forum_name=snort-users Please visit http://blog.snort.org to stay current on all the latest Snort news! ------------------------------------------------------------------------------ _______________________________________________ Snort-users mailing list Snort-users () lists sourceforge net Go to this URL to change user options or unsubscribe: https://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://sourceforge.net/mailarchive/forum.php?forum_name=snort-users Please visit http://blog.snort.org to stay current on all the latest Snort news!
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Current thread:
- Nessus activity detection quest Oleg Ruso (Jul 22)
- Re: Nessus activity detection quest Joel Esler (jesler) (Jul 23)
- Re: Nessus activity detection quest Y M (Jul 23)
- Re: Nessus activity detection quest Jeremy Hoel (Jul 23)
- Re: Nessus activity detection quest Y M (Jul 23)
- Message not available
- Пересл: Nessus activity detection quest Oleg Ruso (Jul 23)
- Отв: Nessus activity detection quest Oleg Ruso (Jul 24)
- Re: Nessus activity detection quest Y M (Jul 23)
- Re: Nessus activity detection quest Joel Esler (jesler) (Jul 23)