full-disclosure - What is Google Binary Search and Should We Fear it?

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Message-ID: <46F44C8FB0FD4E43B997EB38AA3A4F3554A9B0@mcbain.spidynamics.com>
Date: Thu, 14 Sep 2006 22:46:52 -0400
From: "Michael Sutton" <msutton@...dynamics.com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: What is Google Binary Search and Should We Fear
	it?

When Websense went on record
(http://www.pcworld.com/article/id,126371-page,1/article.html) stating
that they were using an undocumented Google search feature to identify
malcode samples, it garnered a fair bit of media attention. A couple of
weeks later when HD Moore released code for his Malware Search project
(http://metasploit.com/research/misc/mwsearch/mwsearch.html) fear that
GBS was an evil tool surfaced once again.

When I finally got around to investigating the mysterious Google Binary
Search (GBS) functionality, I was surprised to find virtually no
documentation on it from Google or any other sources, beyond HD's Ruby
code. In a blog posting that I released today
(http://portal.spidynamics.com/blogs/msutton/) I've detailed what GBS
is, how it works and why the sky won't be falling any time soon.

Michael Sutton
Security Evangelist
SPI Dynamics
http://portal.spidynamics.com/blogs/msutton

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