Snort mailing list archives

RE: spp_portscan2 and UDP


From: Kenton Smith <ksmith () chartwelltechnology com>
Date: 28 Jan 2003 10:10:04 -0700

The box was patched, but the Symantec tool said it was vulnerable, and
it was. So I installed the latest version of both Service Pack 2 and the
August 14 security roll-up. Now the Symantec Tools says that it is not
vulnerable.
The patch level is showing as 8.0.534 SP2

I don't think this is what it should be for the patches that are
applied.

Am I right in that this is probably the Slammer worm?


On Tue, 2003-01-28 at 09:46, Dan Fiorito wrote:
Did you patch the box?  confirm the patch level ...

      -----Original Message----- 
      From: Kenton Smith [mailto:ksmith () chartwelltechnology com] 
      Sent: Tue 1/28/2003 11:34 AM 
      To: snort-users () lists sourceforge net 
      Cc: 
      Subject: [Snort-users] spp_portscan2 and UDP
      
      

      I have a machine running MS SQL on my network. It is patched against the
      Slammer vulnerability and checks out when I run the Symantec fixsql tool
      on it. However it is sending out packets at a consistent rate. I
      couldn't figure out what it was doing until I looked at Snort and found
      the 300+ entries like the following:
      
      [**] [117:1:1] (spp_portscan2) Portscan detected from [my.sql.server]: 6
      targets 6  ports in 0 seconds [**]
      01/27-15:43:50.898738 0:50:DA:B9:75:49 -> 1:0:5E:6D:C6:FC type:0x800
      len:0x1A2 xxx.xxx.xxx.xxx:1303 -> xxx.xxx.xxx.xxx:1434 UDP TTL:1 TOS:0x0
      ID:29272 IpLen:20 DgmLen:404 Len: 384
      
      
      01/27-15:43:50.970576  UDP src: xxx.xxx.xxx.xxx dst: xxx.xxx.xxx.xxx
      sport: 1303 dport: 1434 tgts: 8 ports: 8 event_id: 6
      
      The source is my server and it's going to seemingly random destinations.
      I have since disconnected it, but I think it is infected with the worm.
      I've rebooted and it comes back shortly after restart. I can't confirm
      what the spp_portscan2 is, can anyone tell me? Oddly none of the dports
      are UDP 1433, they are all 1434.
      
      Any thoughts?
      
      Thanks,
      Kenton Smith
      
      
      
      
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Kenton Smith, GSEC
Systems Administrator
Chartwell Technology Inc.
700, 407 2 St. S.W. 
Calgary, AB T2P 2Y3 
CANADA 
P 403 261-6619 
F 403 237-5816 
E ksmith () chartwelltechnology com
W www.chartwelltechnology.com



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http://www.vasoftware.com
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