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:
Jun. 24, 2025
Filed:
Aug. 19, 2020
Nec Corporation, Tokyo, JP;
Yusuke Shimada, Tokyo, JP;
Takayuki Sasaki, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A program analysis device including: code block extraction means for extracting code blocks having specific qualities from code blocks included in binary data of a program; backdoor score calculation means for calculating, for each code block extracted by the code block extraction means, based on the contents of operations in each code block, a backdoor score, which is a score indicating the possibility of each code block being a backdoor code or a score indicating the degree of impact of each code block on a system when it is executed; and output means for outputting the code blocks extracted by the code block extraction means and the backdoor score calculated for each of the extracted code blocks by the backdoor score calculation means.