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Old 11-04-2007
Using Bayesian Classifiers to Detect Fuzzing
Tim Bass
Sun, 04 Nov 2007 10:34:48 +0000
Fuzzing, from a security*perspective, is when an automated*program searches*for IT*vulnerabilities by sending random input to an application.** Fuzzers are*sometimes referred to as fault injector and*are used by hackers to*find buffer overflows and other*application flaws*such as SQL injection, XSS, and format string vulnerabilities.
In the past few years fuzzing is being increasing used by criminals to search for on-line vulnerabilities that can be exploited; and for this reason, fuzzing is a serious threat to ecommerce and other online business applications.
How would an organization detect fuzzing?
Bayesian classifiers are used to detect spam, denial of service attacks, fraud, and other complex data sets; so it makes perfect sense to use Bayesian techniques to detect fuzzing.* However, I have searched the network have not yet found an implementation of a Bayesian classifier specifically*to detect fuzzing in*real-time.*
If anyone knows of a (Java-based) Bayesian classifer that would be a good starting point for the real-time detection of fuzzing, please let me know.* Thanks!



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LEARN ABOUT DEBIAN

encode::detect::detector

Encode::Detect::Detector(3pm)				User Contributed Perl Documentation			     Encode::Detect::Detector(3pm)

NAME

       Encode::Detect::Detector - Detects the encoding of data

SYNOPSIS

	 use Encode::Detect::Detector;
	 my $charset = detect($octets);

	 my $d = new Encode::Detect::Detector;
	 $d->handle($octets);
	 $d->handle($more_octets);
	 $d->end;
	 my $charset = $d->getresult;

DESCRIPTION

       This module provides an interface to Mozilla's universal charset detector, which detects the charset used to encode data.

METHODS

   $charset = Encode::Detect::Detector->detect($octets)
       Detect the charset used to encode the data in $octets and return the charset's name.  Returns undef if the charset cannot be determined
       with sufficient confidence.

   $d = Encode::Detect::Detector->new()
       Creates a new "Encode::Detect::Detector" object and returns it.

   $d->handle($octets)
       Provides an additional chunk of data to be examined by the detector.  May be called multiple times.

       Returns zero on success, nonzero if a memory allocation failed.

   $d->eof
       Informs the detector that there is no more data to be examined.	In many cases, this is necessary in order for the detector to make a
       decision on the charset.

   $d->reset
       Resets the detector to its initial state.

   $d->getresult
       Returns the name of the detected charset or "undef" if no charset has (yet) been decided upon.  May be called at any time.

SEE ALSO

       Encode::Detect

AUTHOR

       John Gardiner Myers <jgmyers@proofpoint.com>

SUPPORT

       For help and thank you notes, e-mail the author directly.  To report a bug, submit a patch, or add to the wishlist please visit the CPAN
       bug manager at: http://rt.cpan.org

perl v5.14.2							    2011-11-15					     Encode::Detect::Detector(3pm)