Re: Firewall hits/unknown ports

From: Nick FitzGerald (nick@virus-l.demon.co.uk)
Date: Wed Nov 07 2001 - 11:45:08 PST

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    <bonkat_private> wrote:
    
    > Anyone know what trojans/backdoors run on 22634, 24544 and 29319 ?
    > Snort.org doesn't list these.
    
    This style of reply is seldom accepted for posting, but it should be 
    remembered that only knowing the attempted port is a **very, very 
    poor** diagnostic.  Most of the modern RATs, bots, etc and 
    nearly all of the widely used ones, allow the ports they run on to be 
    configured.  Thus, only knowing "port X was scanned" and "port X is 
    the default port for <some RAT>" does not tell you much.  Further, 
    few of the IDSes, etc do traffic analysis to better detect which RAT, 
    bot, etc may be involved *and* of those that do, few do so for more 
    than a tiny fraction of the RATs.
    
    
    -- 
    Nick FitzGerald
    Computer Virus Consulting Ltd.
    Ph/FAX: +64 3 3529854
    
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