Repeated inbound to access svchost.exe

Repeated inbound to access svchost.exe

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Subject Author Date
Repeated inbound to access svchost.exe MS 02-04-2005
Posted by MS on February 4, 2005, 1:26 pm
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Hi,

Norton Internet Security (firewall) keeps displaying the following info.
dialog:

----------------------------------
Threat Level Low Risk
At [datetime stamp] the following communication was detected:

Application: c:\winnt\system32\svchost.exe
Protocol: TCP (inbound)
Remote Address: 82.35.78.249:1627
Local Address: STAN (XX.MY.IP.XX): epmap(135)
This file is not infected with a virus. Autoconfiguration
data exists for this application using this type of
communication. This application is in the windows folder
and is from a known company (Microsoft Corporation).
This application does not have a digital signature
or the digital signature is invalid.

The same info. but from a different IP address, among many others:
82.140.27.81:1835
82.35.75.99:3480
----------------------------------

The 'recommended' action is to allow the connection?!

I have no idea whether, or indeed why, I should allow these connections. I
just installed Norton Internet Security yesterday before that I was using
a different firewall.

The same info dialog pops up regularly (with varying IP addresses) and I
am unsure what to do -- up to now I've been blocking them all.

Thanks,

MS


Posted by Jason Edwards on February 4, 2005, 1:43 pm
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> Hi,
>
> Norton Internet Security (firewall) keeps displaying the following info.
> dialog:

That's because it wants to look useful so you'll buy the upgrades.

>
> ----------------------------------
> Threat Level Low Risk
> At [datetime stamp] the following communication was detected:
>
> Application: c:\winnt\system32\svchost.exe
> Protocol: TCP (inbound)
> Remote Address: 82.35.78.249:1627
> Local Address: STAN (XX.MY.IP.XX): epmap(135)

The headers of your post show your IP address as 82.35.73.70
This is not an issue it just means that replacing it with xx doesn't hide
it.

> This file is not infected with a virus.

Reassuring but potentially untrue if the virus was written yesterday.

> Autoconfiguration
> data exists for this application using this type of
> communication. This application is in the windows folder
> and is from a known company (Microsoft Corporation).
> This application does not have a digital signature
> or the digital signature is invalid.
>
> The same info. but from a different IP address, among many others:
> 82.140.27.81:1835
> 82.35.75.99:3480
> ----------------------------------
>
> The 'recommended' action is to allow the connection?!
>
> I have no idea whether, or indeed why, I should allow these connections. I
> just installed Norton Internet Security yesterday before that I was using
> a different firewall.

I'd remove it if I were you and get yourself an external piece of hardware
to block this kind of thing.
For example
http://www.draytek.co.uk/products/vigor2100v.html
There are many others.
A virus scanner is also essential, such as
http://free.grisoft.com/freeweb.php/doc/2/

>
> The same info dialog pops up regularly (with varying IP addresses) and I
> am unsure what to do -- up to now I've been blocking them all.

See above.
Since you don't understand what your firewall is doing it's likely that a
tool such as this
http://www.spychecker.com/program/hijackthis.html
Together with an analysis done by this site
http://www.hijackthis.de/
Will be far more beneficial than any software firewall.

Jason

>
> Thanks,
>
> MS




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