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Detection of exploits in files

  • US 20090013408A1
  • Filed: 07/06/2007
  • Published: 01/08/2009
  • Est. Priority Date: 07/06/2007
  • Status: Abandoned Application
First Claim
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1. A method of scanning computer files for exploits, the method comprising:

  • maintaining a database of validation rules, in respect of each of a plurality of file formats comprising data fields having a predetermined structure, the validation rules specifying valid structure and/or content for the data fields of the respective file format;

    determining the file format of respective files; and

    performing, on respective files, a validation process comprising parsing the file to determine the structure and content of its data fields and validating the structure and/or content of the data fields of the file against the validation rules stored in the database in respect of the determined file format of the file, a determination that a file contains an exploit being made in response to the structure and/or content of the data fields of the file failing to be validated.

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