[p2p-hackers] Pirate Pay

[Vijay K. Gurbani]

On 05/13/2012 10:20 PM, David Barrett wrote:
> Any idea how this thing works (if any)?
>
> http://torrentfreak.com/microsoft-funded-startup-aims-to-kill-bittorrent-traffic-120513/
>
> Is it basically a DoS where it just simulates an overwhelming number
> of fake clients that send garbage data at an incredibly slow rate, or
> something more clever?

This looks like Pirate Pay is injecting multiple sybils into the
DHT with node-IDs close to the info-hash of the file, thus making
the sybils responsible for the file.  This assures that all queries
are sent to the sybils, allowing the sybils to sent out false
information to the other peers.

A couple of years ago, some of my colleagues did work on this
in the context of p2p localization.  Their paper [1] describes their
results in much more detail.

[1] http://www.moritzsteiner.de/papers/dht_traffic_localization.pdf

Thanks,

- vijay
-- 
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)
Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani at alcatel-lucent.com
Web:   http://ect.bell-labs.com/who/vkg/
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