Snort mailing list archives

RE: Barnyard and ACID question


From: Steve Halligan <agent33 () geeksquad com>
Date: Tue, 6 Nov 2001 12:23:22 -0600

I am having this problem also.  OpenBSD 2.9-release here.  Barnyard from CVS
today.  snort-unified-logfile is attached.
I also noticed that sometimes (although not in this logfile, I believe)  the
ordering of the source ip address backwards also a.b.c.d becomes d.c.b.a.
The dest ip is unaffected.
-steve

-----Original Message-----
From: Andrew R. Baker [mailto:andrewb () snort org]
Sent: Monday, November 05, 2001 11:44 PM
To: Wozz
Cc: snort-users () lists sourceforge net
Subject: Re: [Snort-users] Barnyard and ACID question


Wozz wrote:

I'm noticing some problems with barnyard and the mysql 
output plugin.
After some correlation, here's the real headers for the 
event (from the
barnyard log output plugin)

[**] [1:1002:1] WEB-IIS cmd.exe access [**]
[Classification: Attempted User Privilege Gain] [Priority: 8]
Event ID: 692     Event Reference: 0
11/03/01-11:34:37.020121 a.b.c.130:55776 -> x.y.z.64:80
TCP TTL:50 TOS:0x0 ID:37849 IpLen:20 DgmLen:208 DF
***AP*** Seq: 0x6CA76E65  Ack: 0x636CB06B  Win: 0x2238  TcpLen: 32

For some reason, when using the mysql output plugin in 
barnyard, the source
port is being munged from the correct 55776 to 57561, and 
the destination
port from 80 to 20480.  I've confirmed that this is the 
data that is being
inserted into mysql (as opposed to it being an ACID display 
problem).

This is consistant across all alerts being inserted into 
mysql (as far as I
can tell)

Is this a known bug?


Which version (and build) of snort are you using?  Do you have a small
unified alert file you could send me for testing?  AFAIK, this should
not occur.  I will look into it tomorrow.

-A

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