Stealth Computing Abuses TCP Checksums

[Paul Krumviede]

--On Wednesday, 29 August, 2001 23:25 -0700 Bill Stewart 
<bill.stewart at pobox.com> wrote:

>
> http://fyi.cnn.com/2001/TECH/internet/08/29/stealth.computing/index.html
> http://slashdot.org/article.pl?sid=01/08/29/199205&mode=thread
>
> A group of researchers at Notre Dame figured out how to use the
> TCP Checksum calculations to get other computers to do number-crunching
> for them.
>
> 	"Below, we present an implementation of a parasitic computer
> 	using the checksum function.  In order for this to occur,
> 	one needs to design a special message that coerces a target server
> 	into performing the desired computation."
>
> The article has the amount of great mathematical depth you'd expect from
> CNN :-) But it does say that the paper will be published in "Nature" this
> week.

for those who didn't see the nature article, the authors have the article
(and supplementary material) available at

http://www.nd.edu/~parasite/

-paul




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