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:
May. 18, 2021
Filed:
Oct. 02, 2017
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
NIPPON TELEGRAPH AND TELEPHONE Corporation, Tokyo, JP;
Abstract
An attack code detection apparatus includes a preprocessing unit that analyzes in advance a library file for learning used in an ROP (Return Oriented Programming) chain, and obtains sets including the addresses of ROP gadgets, which represent pieces of code in the library file, and increment values of the stack pointer at the time of execution of the ROP gadgets; and a detecting unit that refers to the obtaining result of the preprocessing unit, that verifies, regarding an unknown data series representing the examination target, whether or not the ROP chain is valid in which the ROP gadgets are correctly linked, and that detects whether or not the unknown data series representing the examination target is a malicious data series.