They are trying to pound on yer rpcportmapper, prolly looking for a
vulnerable version of the deamion to attempt a compromise of yer
security.

Thanks,

Ron DuFresne


On Thu, 21 Oct 1999, Chiaki Ishikawa wrote:

> X-PMC-CI-e-mail-id: 11593 
> 
> I guess one of these days it is getting harder to keep track of what
> each port scan is doing.
> But, here it goes.
> 
> Over the last few days, our DMZ hosts were scanned for UDP port 161 from multiple 
>sites..
> My guess is some kind of trojan or something.
> 
> Here it goes. Only a portion of the probe is listed.
> 
>     1 packets: 203.97.101.36(20480) ->202.218.93.62(161),   : Oct 16 09:40:23
>     1 packets: 203.97.101.36(20480) ->202.218.93.7(161),    : Oct 16 09:40:30
>     1 packets: 203.97.101.36(20480) ->202.218.93.8(161),    : Oct 16 09:40:30
>     1 packets: 203.97.101.36(20480) ->202.218.93.9(161),    : Oct 16 09:40:30
>     1 packets: 209.46.83.2(61258) ->202.218.93.3(161),      : Oct 20 18:59:45
>     1 packets: 209.46.83.2(62408) ->202.218.93.4(161),      : Oct 20 19:45:04
>     1 packets: 209.46.83.2(63008) ->202.218.93.2(161),      : Oct 20 18:14:08
> 
> 
> Does anyone know what this probe is?
> 
> I might just want to label such port for potential known trojan name
> in our log summary.
> 
> -- 
>      Ishikawa, Chiaki        [EMAIL PROTECTED]  or         
>  (family name, given name) [EMAIL PROTECTED]
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> 
> 
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