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:
Feb. 25, 2020
Filed:
Jul. 07, 2017
Nec Laboratories America, Inc., Princeton, NJ (US);
Nec Corporation, Tokyo, JP;
Kangkook Jee, Princeton, NJ (US);
Zhichun Li, Princeton, NJ (US);
Guofei Jiang, Princeton, NJ (US);
Lauri Korts-Parn, Tokyo, JP;
Zhenyu Wu, Plainsboro, NJ (US);
Yixin Sun, Princeton, NJ (US);
Junghwan Rhee, Princeton, NJ (US);
NEC Corporation, , JP;
Abstract
A system and computer-implemented method are provided for host level detection of malicious Domain Name System (DNS) activities in a network environment having multiple end-hosts. The system includes a set of DNS resolver agents configured to (i) gather DNS activities from each of the multiple end-hosts by recording DNS queries and DNS responses corresponding to the DNS queries, and (ii) associate the DNS activities with Program Identifiers (PIDs) that identify programs that issued the DNS queries. The system further includes a backend server configured to detect one or more of the malicious DNS activities based on the gathered DNS activities and the PIDs.