The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2023
Filed:
Feb. 04, 2021
Mcafee, Llc, San Jose, CA (US);
Qiang Liu, Fremont, CA (US);
Chong Xu, Sunnyvale, CA (US);
Praveen Kumar Amritaluru, Chennai, IN;
Mayank Bhatnagar, Bangalore, IN;
McAfee, LLC, San Jose, CA (US);
Abstract
Mechanisms for analyzing a structured file for malicious content are provided, comprising: parsing the structured file into a plurality of portions; selecting a selected portion of the portions; checking the selected portion to determine if at least one pre-condition is met; and in response to determining that the at least one pre-condition is met: decoding the selected portion to form a decoded portion; and checking the decoded portion to determine if it is malicious. In some embodiments: the at least one pre-condition can be changed; the structured file is a MICROSOFT OFFICE XML file; the selected portion is a file; the at least one pre-condition checks at least one attribute of the selected portion; decoding the selected portion comprises decompressing the selected portion; and/or checking the decoded portion to determine if it is malicious comprises checking whether a previously decoded portion of the structure file meets at least one condition.