Friday, August 28, 2009

Source Codes for a Skype Eavesdropper Trojan Released for Public Viewing

trojanhorseAs announced some weeks ago the Skype trojan sourcecode will be available for download. You find the source packages in the Tools & sources section if you are the impatient type.

The code is simple and straightforward. You have know malware development is no rocket science and if you expect big magic you are at the wrong place. The backdoor receives instructions from the dropzone and transferres audio files. The Skype-Tap intercepts the Skype function calls, extracts and dumps audio data to files, converts it to the mp3 format and encrypts it.

The code is not 100% complete. I removed the plugin system in the backdor and also the firewall bypassing system is not there anymore. I will publish both of them in separate tools later. If you don’t like this … well, I can’t help you. Thats how it is. Take it or leave it.

As always I am open for your opinions and criticism.

Complete article and technical details from Megapanzer's website:


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Welcome to my blog, this is me thinking out loud about Voice over IP security (VoIP), managing and optimizing converged networks, Metasploit Framework, Cloud Computing, general security and privacy concerns, grappling adventures, and tuning my MKIV VW Jetta.

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Packet Boy Perseus
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I am an InfoSec Innovator, a Blue Ocean Seafarer and a Paul Graham Pupil.