Solved: Can Police Trace Skype Calls? ? How To Trace The Ip Address Of A Skype Call

Is there a way to identify a person”s IP address in Skype, when you”re chatting with them? Does this depend on their Skype settings? And if you”ve recorded chat messages, can they lead to the actual person IP address, or their ISP”s?

 

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In general yes, there is ways of doing this, as a quick google search would”ve been able to tell you.

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When ever you call, write or send a file to a person on skype you make direct contact with the persons IP/ISP IP, and that you are of course able to track. A simple way to do it in windows is using netstat -n while in a call, and look for the port you know you use skype on. A better way would be to use wireshark to monitor your traffic and look for skype protocols.

A quick youtube video on the simple way to do it:http://www.youtube.com/watch?v=ro_zrbBsgBk

It is however very limited what kind of thread this might be to you. If you don”t have any holes or open ports that shouldn”t be open, or are hidden behind a basic router/firewall, it”s quite a bit harder to get to you than just going through skype.

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answered Feb 9 “12 at 21:44

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Kristoffer la CourKristoffer la Cour
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In the Skype protocol there are also “proxy nodes” that relay traffic for you. Every Skype client can in fact become such a proxy node if the network reachability is good, especially in regard to firewall conditions. So you can”t be sure if the peer IP address you are seeing is the one of your call partner or of a random proxy node. In the latter case you have no way of finding out the call partners real IP address.

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answered Feb 9 “12 at 23:53

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Thomas WanaThomas Wana
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I”d like to answer how these “Skype resolvers” actually work.

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When searching for info about these resolvers the only thing you”ll find is stupid “tutorials” about kids making their own resolvers where in reality they”re just calling a third-party API and displaying whatever they get back from that.

What happens on these “third-party APIs” is a bit more hard to find, what they do is they use a modified version of the Skype binary (it”s quite old but still seems to work) that writes an unencrypted debug log about everything that happens on it, including network-related operations.

Once Skype is running they use the desktop API to look up a contact (without completing the procedure and sending a contact request) and that”s enough to write the IP address of that person to the log assuming the person is online. Then they just parse the log and extract the IP from there.

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I assume they install a small binary that listens on a socket, once a Skype name is received it does the above procedure and spits out whatever IP it got from the log. The system is then cloned and deployed over a large number of VMs and there”s your high performance Skype resolver infrastructure, with a single web server frontend that provides a REST API and evenly distributes requests between all the nodes.

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