Method and system for adaptive rule-based content scanners

  • US 20050108554A1
  • Filed: 08/30/2004
  • Published: 05/19/2005
  • Est. Priority Date: 11/06/1997
  • Status: Active Grant
First Claim
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1. A method for scanning content, comprising:

  • identifying tokens within an incoming byte stream, the tokens being lexical constructs for a specific language;

    identifying patterns of tokens;

    generating a parse tree from the identified patterns of tokens; and

    identifying the presence of potential exploits within the parse tree, wherein said identifying tokens, identifying patterns of tokens, and identifying the presence of potential exploits are based upon a set of rules for the specific language.

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