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:
Oct. 24, 2023
Filed:
Nov. 18, 2019
Zscaler, Inc., San Jose, CA (US);
Zscaler, Inc., San Jose, CA (US);
Abstract
Systems and methods include receiving a list of web sites; anonymously browsing to each web site in the list; receiving a response based on the browsing; and analyzing the response to classify each web site as malicious or not based on a plurality of techniques including JavaScript (JS) obfuscation detection based on de-obfuscation. The systems and methods can further include providing a blacklist of web sites classified as malicious. The systems and methods can further include determining the list of web sites periodically based on a plurality of factors. The JS obfuscation detection can be performed by de-obfuscating JS content and utilizing heuristics to determine if the de-obfuscated JS content is malicious, and the heuristics can include a presence of any of a new JS function and a domain in the de-obfuscated JS content.