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.

Date of Patent:
Dec. 29, 2020

Filed:

Feb. 22, 2017
Applicant:

Nippon Telegraph and Telephone Corporation, Chiyoda-ku, JP;

Inventors:

Toshinori Usui, Musashino, JP;

Makoto Iwamura, Musashino, JP;

Takeshi Yada, Musashino, JP;

Tomonori Ikuse, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/56 (2013.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
G06F 21/566 (2013.01); G06F 21/562 (2013.01); H04L 63/1416 (2013.01); G06F 2221/033 (2013.01);
Abstract

An attack code detection device includes a learning unit configured to generate a model that learns, using a known labeled malicious document file including an ROP code, as learning data, a feature of a byte sequence being a component of a document file, and a feature of a byte sequence being a component of an ROP code, a detection unit configured to detect the ROP code included in an inspection target unknown document file, based on the model, and a malignancy determination unit configured to determine, based on a detection result, whether the inspection target unknown document file is a malicious data series that executes attack using ROP.


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