Re: [WEB SECURITY] Stealing Search Engine Queries with JavaScript

["Collin Jackson" <collinj () cs stanford edu>]

Check out www.safehistory.com for a solution to visited-link-based
tracking techniques.

On 9/29/06, Chris Hofmann <chofmann () mozilla org> wrote:
>  I've filed
> https://bugzilla.mozilla.org/show_bug.cgi?id=354861 for
> tracking the investigation in Firefox.
>
>  Chris Hofmann
>
>
>  Billy Hoffman wrote:
>
> SPI Labs has discovered a practical method of using JavaScript to detect the
> search queries a user has entered into arbitrary search engines. All the
> code needed to steal a user's search queries is written in JavaScript and
> uses Cascading Style Sheets (CSS). This code could be embedded into any
> website either by the website owner or by a malicious third party through a
> Cross-site Scripting (XSS) attack. There it would harvest information about
> every visitor to that site.
>
>
>
>
>
> Possible uses:
>
> -HMO's website could check if a visitor has been searching other sites about
> cancer, cancer treatments, or drug rehab centers.
>
> -Advertising networks could gather information about which topics someone is
> interested based on their search history and use that to echance their
> customer databases.
>
> -Government websites could see if a visitor has been searching for
> bomb-making instructions.
>
>
>
> SPI has published a whitepaper about this technique and has also release
> proof  of concept code that will steal search engine queries. Works solid in
> Firefox, and IE support is a little shaky on multi word queries.
>
>
>
> Whitepaper:
> http://www.spidynamics.com/assets/documents/JS_SearchQueryTheft.pdf
>
> Proof of Concept:
> http://www.spidynamics.com/spilabs/js-search/index.html
>
>
>
> Have fun,
>
> Billy Hoffman
>
> --
>
> Lead R&D Engineer
>
> SPI Dynamics – http://www.spidynamics.com
>
> Phone: 678-781-4800
>
> Direct: 678-781-4845
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