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NETBIOS-SSN Weird sessions

Last response: in Windows 2000/NT
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Anonymous
September 7, 2004 12:11:37 PM

Archived from groups: microsoft.public.win2000.security (More info?)

Dear all,

I've been detecting NETBIOS-SSN sessions between my laptop
and many others from my company, and wonder why these
connection take place since :
- I'm not opening the network neighbourhood wizard, nor
trying to access other computers' shares
- The connection last for less than a minute, and they are
inactive for the connection time minus 3 seconds
- No file is opened on the remote (target ?) machine

Is this symptomatic of a virus or worm on my laptop ?

Thanks for your help and best regards,

Olivier
Anonymous
September 7, 2004 8:42:38 PM

Archived from groups: microsoft.public.win2000.security (More info?)

Not necessarily as that would not be unusual particularly for traffic to domain
controllers. A packet sniffer like Ethereal would give more detailed information on
these sessions. Mapped drives can also cause a lot of this activity as can browse
list activity which does not require you to access MY Network Places. Make sure you
do a virus scan at least weekly with updated definitions. Generally a worm on your
computer would generate tons of activity on the network often involving a lot of
pinging and possibly generating failed logon attempts on other network computers for
the administrator account. --- Steve


"Olivier DALOY" <olivier.daloy@fr.ey.Com> wrote in message
news:765e01c494ec$f8677920$a501280a@phx.gbl...
> Dear all,
>
> I've been detecting NETBIOS-SSN sessions between my laptop
> and many others from my company, and wonder why these
> connection take place since :
> - I'm not opening the network neighbourhood wizard, nor
> trying to access other computers' shares
> - The connection last for less than a minute, and they are
> inactive for the connection time minus 3 seconds
> - No file is opened on the remote (target ?) machine
>
> Is this symptomatic of a virus or worm on my laptop ?
>
> Thanks for your help and best regards,
>
> Olivier
!