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:
Sep. 15, 2020
Filed:
Mar. 28, 2018
Electronics and Telecommunications Research Institute, Daejeon, KR;
Sung-Jin Kim, Daejeon, KR;
Hyunyi Yi, Incheon, KR;
Seong-Joong Kim, Daejeon, KR;
Woomin Hwang, Daejeon, KR;
Byung-Joon Kim, Daejeon, KR;
Chulwoo Lee, Daejeon, KR;
Hyoung-Chun Kim, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
An apparatus and method for collecting an audit trail in a virtual machine boot process, the audit-trail-collecting apparatus including an event detection unit for detecting a software interrupt event, a register state information extraction unit for extracting state information of a CPU register corresponding to a detection time of the software interrupt event, a monitoring unit for monitoring a change in a vector value corresponding to the software interrupt event in an interrupt vector table, a threat occurrence detection unit for detecting a threat occurrence in a virtual machine boot process based on at least one of the CPU register state information and a monitored result, and an audit trail collection unit for storing an audit trail corresponding to at least one of the CPU register state information and the monitored result when the threat occurrence is detected in the virtual machine boot process.