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Windows 7: How to determine what generates network traffic?

09 Sep 2011   #1
expertvision

Windows 7 x64
 
 
How to determine what generates network traffic?

Lately I've been having some unusual network traffic. I've checked with Network Monitor 3.4 and the process name is either svchost or system or unknown.
How can I find out what generates the traffic ? There were mainly TCP packets, but others too.

I don't expect to solve the problem for me, just want some guides that you might know of, or tools to analyze network traffic, or some info on how to interpret Network Monitor frame details.

edit: antivirus/firewall/.. is hopeless


My System SpecsSystem Spec
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09 Sep 2011   #2
Darryl Licht

Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
 
 

You could try a packet sniffer/analyzer such as WinPcap... but they arent easy to figure out initially!
My System SpecsSystem Spec
09 Sep 2011   #3
expertvision

Windows 7 x64
 
 

That's exactly what Microsoft Network Monitor does .. is a packet capture/sniffer (works even in promiscuous mode) but I still can't figure it out who generates the traffic. I mean the process associated with it is svchost, system or unknown. But how do I find out who send a request to svchost to connect to whichever IP ?
My System SpecsSystem Spec
.

09 Sep 2011   #4
Darryl Licht

Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
 
 

Quote   Quote: Originally Posted by expertvision View Post
That's exactly what Microsoft Network Monitor does .. is a packet capture/sniffer (works even in promiscuous mode) but I still can't figure it out who generates the traffic. I mean the process associated with it is svchost, system or unknown. But how do I find out who send a request to svchost to connect to whichever IP ?
I believe you will find WinPcap does a lot more than Net monitor! Or try WireSHark....
My System SpecsSystem Spec
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 How to determine what generates network traffic?




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