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Posted on 2001-06-11
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Last Modified: 2010-04-11
Hi Guys,
   Is there any utility to spy on WinPopup messages being sent around the LAN?  Somehow peek at them then let them continue on.

Also, is there a way to stop incomming popup messages?  I've stopped it once but I can't remember how to do it again.
I'm using NT4 sp6.

Many Thanks
Woody.
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Question by:WoodyJ007
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Expert Comment

by:Droby10
ID: 6179658
you can use any network sniffer with a promiscuous network driver to spy on the messages...

to stop it locally, disable the local messaging service.
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Author Comment

by:WoodyJ007
ID: 6180572
Whats the best tool for this job?  Free or shareware preferable.

Cheers
Woody.
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Droby10 earned 400 total points
ID: 6181650
you'll first need a ndis driver (winpcap)
looks like the netgroup server is down...

here's a mirror
http://www.datanerds.net/~mike/netgroup-serv.polito.it/winpcap/


once you have that downloaded and installed, you can use any number of windows-based sniffers

  - windump also available from the same mirror
http://www.datanerds.net/~mike/netgroup-serv.polito.it/windump/

  - ethereal
http://packetstorm.securify.com/sniffers/ethereal/ethereal-0.8.5.tar.gz

  - sniffit (nt/2k sniffer)
http://packetstorm.securify.com/sniffers/sniffit/sniffit_NT.0.3.7.beta.zip

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Author Comment

by:WoodyJ007
ID: 6181918
Ok.  Thanks.

I'll try them out.  Will get back to you soon.
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Author Comment

by:WoodyJ007
ID: 6181949
They all seem very complex to use.  I just need to view the Winpopup messages that are being sent around the LAN.

Woody.
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Expert Comment

by:Droby10
ID: 6182203
yeah, you'll get a lot of garbage with a sniffer...
you should be able to set a filter so that you're only monitoring traffic on the nbt ports 135-139...(i think the sequence goes udp 137 for a lookup and then tcp 139 for the actual message...but i could be wrong)...
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Author Comment

by:WoodyJ007
ID: 6184969
I've tried peeking at the packets as they come in but I can't see the text in there anywhere.
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Author Comment

by:WoodyJ007
ID: 6371600
Thanks for the help.  Didn't manage to do it in the end but I did learn some other cool stuff.

Thanks
Woody.
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