Posted On: 10/13/2012 6:03:53 PM
Post# of 16816
A little DD
Remember getting spam emails with odd gibberish added
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Sharktnk
Saturday, October 13, 2012 12:53:51 AM
Re: Da Ghost post# 8888
Post # of 9081
Remember getting spam emails with odd gibberish added at the bottom?
Bayesian poisoning
As Bayesian filtering has become popular as a spam-filtering technique, spammers have started using methods to weaken it. To a rough approximation, Bayesian filters rely on word probabilities. If a message contains many words that are used only in spam, and few that are never used in spam, it is likely to be spam. To weaken Bayesian filters, some spammers, alongside the sales pitch, now include lines of irrelevant, random words, in a technique known as Bayesian poisoning. A variant on this tactic may be borrowed from the Usenet abuser known as "Hipcrime" -- to include passages from books taken from Project Gutenberg, or nonsense sentences generated with "dissociated press" algorithms. Randomly generated phrases can create spoetry (spam poetry) or spam art.
Remember getting spam emails with odd gibberish added
Public Reply | Private Reply | Keep | Last Read Post New Msg Next 10 | Previous | Next
Sharktnk
Saturday, October 13, 2012 12:53:51 AM
Re: Da Ghost post# 8888
Post # of 9081
Remember getting spam emails with odd gibberish added at the bottom?
Bayesian poisoning
As Bayesian filtering has become popular as a spam-filtering technique, spammers have started using methods to weaken it. To a rough approximation, Bayesian filters rely on word probabilities. If a message contains many words that are used only in spam, and few that are never used in spam, it is likely to be spam. To weaken Bayesian filters, some spammers, alongside the sales pitch, now include lines of irrelevant, random words, in a technique known as Bayesian poisoning. A variant on this tactic may be borrowed from the Usenet abuser known as "Hipcrime" -- to include passages from books taken from Project Gutenberg, or nonsense sentences generated with "dissociated press" algorithms. Randomly generated phrases can create spoetry (spam poetry) or spam art.
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