System and Method Relating to Dynamically Constructed Addresses in Electronic Messages
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United States of America Patent
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N/A
Issued Date -
Feb 23, 2006
app pub date -
Jun 20, 2005
filing date -
Jun 20, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
We show how a spammer can use a programming language inside an electronic message to make a dynamic hyperlink, instead of a standard static hyperlink. She can use this to obfuscate her domain, against antispam methods that extract those domains to compare against a blacklist. Plus, she can create sacrificial messages with 'infinite' loops and intersperse these with her other messages, with obscured dynamic hyperlinks, but lacking infinite loops. We show how to handle both cases, to be able to extract valid hyperlinks from the latter messages and use these in the construction of, or a comparison against, a blacklist.
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