Spying the World from your Laptop Stevens Le Blond , Arnaud Legout - - PowerPoint PPT Presentation

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Spying the World from your Laptop Stevens Le Blond , Arnaud Legout - - PowerPoint PPT Presentation

Spying the World from your Laptop Stevens Le Blond , Arnaud Legout Fabrice Le Fessant, Walid Dabbous, Dali Kaafar 1 Who Cares about Privacy? You Care about Privacy Who wanna see his P2P downloads public? We have a surprise for you! 2


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Spying the World from your Laptop

Stevens Le Blond, Arnaud Legout

Fabrice Le Fessant, Walid Dabbous, Dali Kaafar

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Who Cares about Privacy?

  • Who wanna see his P2P downloads

public?

  • We have a surprise for you!

You Care about Privacy

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BitTorrent Footprint on the Internet

1) Can we identify the content providers? 2) Can we identify the big downloaders? 148M IPs 3.6 ExaBytes 2 billion downloads

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Roadmap

1) The content providers 2) The big downloaders

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Methodology

  • Join new torrents on ThePirateBay within 1st min
  • Monitor them for 24 hours
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Identifying the Content Providers

Alone Login Unknown 55% 15% 30%

We identify 70%

  • f the content providers

ID peer peer tracker website peers1 p1, p2, p3 ID1,ID2,ID3 peers2 peers3

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Roadmap

1) The content providers 2) The big downloaders

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Methodology

We can continuously spy

  • n most BitTorrent users
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Identifying the Big Downloaders

Number of ports Number of Contents

Looking for big downloaders, we find spies and middleboxes

Spying infrastructures Middleboxes

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Activity of the Spies

Days Days Days Fraction Monitors Public HTTP proxy Public SOCKS

We can spy on the spies

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Take Home Messages

1) We have identified 70% of the content providers 2) Continuously spied on most BitTorrent users and filtered out spies and middle boxes

stevens.le_blond@inria.fr