[Snort-users] How to dump a certain number of tcp packets (for TCPDUMP) when an alert is fired

Loch Theary Theary.Loch at ...2990...
Mon Sep 6 07:29:06 EDT 2004


My respects all,

It's doesn't work even with the "logto" directive.

>These are my modified alert rule:

>alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"WEB-MISC cross site scripting attempt"; flow:to_server,established; content:"<SCRIPT>"; nocase; logto:"/snort/logs/suspicious.tcpdump"; tag:session,50,packets; classtype:web-application-attack; sid:1497; rev:6;)

>alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"WEB-ATTACKS mail command attempt"; flow:to_server,established; content:"/bin/mail"; nocase; logto:"/snort/logs/suspicious.tcpdump"; tag:session,50,packets; classtype:web-application-attack; sid:1366; rev:5;)

>I can determine what I am doing wrong ...

Anyone can help ?

Regards,
Theary

-----Message d'origine-----
De : Hart Clarence (rti1clh) [mailto:CHart at ...12386...]
Envoyé : vendredi 3 septembre 2004 15:40
À : 'emf at ...367...'; Loch Theary
Cc : snort-users at lists.sourceforge.net
Objet : RE: [Snort-users] How to dump a certain number of tcp packets
(for TCPDUMP) when an alert is fired


If you use the alert tag where are the log files going to go? ( filenames
/or database)


C


-----Original Message-----
From: Erik Fichtner [mailto:emf at ...367...] 
Sent: Thursday, September 02, 2004 12:55 PM
To: Loch Theary
Cc: snort-users at lists.sourceforge.net
Subject: Re: [Snort-users] How to dump a certain number of tcp packets (for
TCPDUMP) when an alert is fired


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On Thu, Sep 02, 2004 at 05:05:02PM +0200, Loch Theary wrote:
> Could you please tell me how to log a certain number of packets when 
> an alert is fired (tcp dump format) ?

	"tag:session,${NUMBER},packets;"

- -- 
Erik Fichtner
Principal Engineer, Information Security, ServerVault Corp. 703-652-5900
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