Snort mailing list archives

Missing packets with by2


From: Jim Hranicky <jfh () ufl edu>
Date: Mon, 23 Jul 2012 18:11:11 -0400

Posting this to the snort list for a hopefully larger audience
but I can post it to the by2 group as well if need be. 

I have an alert for a vulnerable version of Java that tripped
which was two packets long, but by2 only put the first packet
in the db. 

I've seen threads about by2 not logging tagged packets and
extra data, but I wasn't sure if this was the same issue. 
Can anyone clarify?

-- 
Jim Hranicky
IT Security Engineer
Office of Information Security and Compliance
University of Florida

------------------

Packet
        sensor id: 0    event id: 23588 event second: 1343028031
        packet second: 1343028031       packet microsecond: 188835
        linktype: 1     packet_length: 262
[    0] 00 0E 83 C6 9B 40 00 D0 05 59 10 00 08 00 45 00  .....@...Y....E.
[   16] 00 F8 CC 35 40 00 3D 06 EF 6C XX XX XX XX 4A 7D  ...5@.=..l..F.J}
[   32] E5 45 88 69 00 50 B2 E7 DA 1F 10 CF 1E C7 80 18  .E.i.P..........
[   48] 00 2E 96 1E 00 00 01 01 08 0A 00 F7 16 3C E3 27  .............<.'
[   64] F3 0C 47 45 54 20 2F 5F 5F 75 74 6D 2E 67 69 66  ..GET /__utm.gif
[   80] 3F 75 74 6D 77 76 3D 34 2E 34 73 68 26 75 74 6D  ?utmwv=4.4sh&utm
[   96] 6E 3D 31 31 31 37 36 38 31 35 26 75 74 6D 68 6E  n=11176815&utmhn
[  112] 3D 6D 2E 75 66 6C 2E 65 64 75 26 75 74 6D 72 3D  =m.ufl.edu&utmr=
[  128] 2D 26 75 74 6D 70 3D 25 32 46 68 6F 6D 65 25 32  -&utmp=%2Fhome%2
[  144] 46 26 75 74 6D 61 63 3D 4D 4F 2D 33 37 30 33 31  F&utmac=MO-37031
[  160] 39 36 2D 34 35 26 75 74 6D 63 63 3D 5F 5F 75 74  96-45&utmcc=__ut
[  176] 6D 61 25 33 44 39 39 39 2E 39 39 39 2E 39 39 39  ma%3D999.999.999
[  192] 2E 39 39 39 2E 39 39 39 2E 31 25 33 42 26 75 74  .999.999.1%3B&ut
[  208] 6D 76 69 64 3D 30 78 34 30 33 64 39 35 31 31 30  mvid=0x403d95110
[  224] 65 38 31 65 39 33 34 26 75 74 6D 69 70 3D 31 30  e81e934&utmip=10
[  240] 39 2E 31 36 33 2E 32 33 31 2E 30 20 48 54 54 50  9.163.231.0 HTTP
[  256] 2F 31 2E 30 0D 0A                                /1.0..

Packet
        sensor id: 0    event id: 23588 event second: 1343028031
        packet second: 1343028031       packet microsecond: 202846
        linktype: 1     packet_length: 146
[    0] 00 0E 83 C6 9B 40 00 D0 05 59 10 00 08 00 45 00  .....@...Y....E.
[   16] 00 84 CC 36 40 00 3D 06 EF DF XX XX XX XX 4A 7D  ...6@.=.....F.J}
[   32] E5 45 88 69 00 50 B2 E7 DA E3 10 CF 1E C7 80 18  .E.i.P..........
[   48] 00 2E 18 39 00 00 01 01 08 0A 00 F7 16 4A E3 27  ...9.........J.'
[   64] F3 1A 48 6F 73 74 3A 20 77 77 77 2E 67 6F 6F 67  ..Host: www.goog
[   80] 6C 65 2D 61 6E 61 6C 79 74 69 63 73 2E 63 6F 6D  le-analytics.com
[   96] 0D 0A 55 73 65 72 2D 41 67 65 6E 74 3A 20 4A 61  ..User-Agent: Ja
[  112] 76 61 2F 31 2E 37 2E 30 5F 30 34 0D 0A 41 63 63  va/1.7.0_04..Acc
[  128] 65 70 74 73 2D 4C 61 6E 67 75 61 67 65 3A 0D 0A  epts-Language:..
[  144] 0D 0A                                            ..


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