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Network Security Snort-Signatures
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[Snort-sigs] FP for ssh preprocessor

Subject: [Snort-sigs] FP for ssh preprocessor
Date: Thu, 20 Sep 2007 10:46:17 +1200
It would appear that the default check of version length is a bit restrictive.  We are seeing hundreds of these

Russell


META
SID CID TimeStamp Signature Sig ID
6 9399487 2007-09-19 21:31:11 ssh: Server version string overflow 3
Sensor Hostname Sensor Interface
monitor-dmzo.isec.auckland.ac.nz dmz sensor
IP
Source Address Dest Address Ver Hdr Len TOS length ID flags offset TTL chksum
203.173.187.229 130.216.34.38 4 5 0 84 31441 2 0 119 23617
Resolved Source Resolved Dest
203-173-187-229.dsl.dyn.ihug.co.nz wintermute01.cs.auckland.ac.nz
TCP
Source Port Dest Port Seq Ack Offset Reserved Flags Window Checksum Urgent Ptr
2380 22 461434002 3476635556 5 0 24 65497 22946 0
Options
None
Flags

RB 1 RB 0 URG ACK PSH RST SYN FIN



X X


DATA
5353482D312E39392D33

2E322E39205353482053

6563757265205368656C

6C20666F722057696E64

6F77730A


            
SSH-1.99-3

.2.9 SSH S

ecure Shel

l for Wind

ows.
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