Re: Pretty stealthy SSH scanning seen on the Internet.

From: Kent Engström (kentat_private)
Date: Mon Sep 10 2001 - 03:23:21 PDT

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    Dug Song <dugsongat_private> writes:
    > On Sun, Sep 09, 2001 at 02:40:36PM -0400, Erik Fichtner wrote:
    > 
    > > Anyone else seen this, or have any further information? 
    > 
    > dollars to donuts it's just niels:
    > 
    > 	http://www.monkey.org/~provos/scanssh/
    > 
    > he'll be publishing his results soon at a conference near you...
    
    From the logs posted by Erik Fichtner <techsat_private>:
    > Sep  9 15:21:22 hostA sshd[64608]: Did not receive ident string from 199.171.27.50.
    
    dig -x 199.171.27.50  gives:
    > 50.27.171.199.in-addr.arpa.  57m20s IN PTR  www10.gti.net.
    
    Would Niels really use a machine whose PTR record was "www10.gti.net"
    to do that kind of scan?
    
    We have seen this IP scan our netblock too.
    
    -- 
    Kent Engström,		Linköping University Incident Response Team
    kentat_private  	abuseat_private
    +46 13 28 1744
    
    UNIT, Linköping University; SE-581 83  LINKÖPING; SWEDEN
    
    
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