[Snort-users] Can snort dump full pcap of alert?

Heine Lysemose lysemose at ...11827...
Thu Dec 19 14:18:23 EST 2013


Hi

Take a look at this video made by Doug Burks who is the lead developer of
SecurityOnion,
https://www.youtube.com/watch?v=EpBQbxaRGgA&feature=youtube_gdata_player

www.securityonion.net

/Lysemose
On Dec 19, 2013 5:55 PM, "Y M" <snort at ...15979...> wrote:

> Check the following post-detection keywords from Snort's manual:
>
> logto : http://manual.snort.org/node34.html#SECTION00471000000000000000
> tag: http://manual.snort.org/node34.html#SECTION00475000000000000000, and
> Session: http://manual.snort.org/node34.html#SECTION00472000000000000000
>
> You need to be careful with these to not overwhelm Snort with capturing
> session data. May be a full packet capture, for example using daemonlogger
> or so, is a better route?
>
> Thanks.
> YM
>
>
> > From: onno at ...16627...
> > To: snort-users at lists.sourceforge.net
> > Date: Thu, 19 Dec 2013 17:35:50 +0100
> > Subject: [Snort-users] Can snort dump full pcap of alert?
> >
> > Hi,
> >
> > Just wondering. I've setup snort and it triggered an alert. The alert
> > is: OS-WINDOWS Microsoft Windows Shell Handler remote code ...
> > sid=1:16414
> >
> > In snorby it's showing a dump of the payload. But that is only of that
> > specific packet? Dump is like:
> > 0000000: 54 f1 c7 e1 57 2a e3 b3 36 c0 ea aa 17 82 aa 2d f0 0e 51 f3
> > fb 4a 50 e1 a5 45 T...W*..6......-..Q..JP..E
> > 000001A: c4 7d e9 3f 93 b5 32 cd cd f1 95 41 0d 38 1d 02 d1 6e 01 51
> > 0d d2 8b 7e fa 85 .}.?..2....A.8...n.Q...~..
> > 0000034: 4a d5 48 71 0e a8 d0 50 45 37 cd 21 ae 53 d1 15 91 9b a4 c4
> > 21 e9 e6 54 6c 25 J.Hq...PE7.!.S......!..Tl%
> > 000004E: 45 95 14 03 c1 ad 5c 38 44 c8 4f 64 22 53 25 56 95 19 a0 5d
> > 42 b3 e0 d5 57 b1 E.....\8D.Od"S%V...]B...W.
> > 0000068: 02 00 2a 0e 61 75 90 49 c0 42 a9 ed 81 6c e3 d0 e1 d7 86 69
> > fc eb 7f a1 80 2f ..*.au.I.B...l.....i...../
> >
> > Not really readable. ;o) So I was wondering if snort is able to generate
> > a 'session pcap' when a rule is hit.
> >
> > I'm running snort with barnyard2 (unified2). Options used are: -d and -D
> > (and couple of others for conf, user and -l <dir>)
> >
> > Do I need to add option -b ? (or a complete other program? ;o) )
> >
> > Regards,
> > Onno.
> >
> >
> >
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