Title:
悪意あるファイルを検出するためのシステムおよび方法
Document Type and Number:
Japanese Patent JP7023259
Kind Code:
B2
Abstract:
Disclosed herein are methods and systems for detecting malicious files. An exemplary method comprises: forming a feature vector based on behavioral data of execution of a file, calculating parameters based on the feature vector using a trained model for calculation of parameters, wherein the parameters comprise: i) a degree of maliciousness that is a probability that the file may be malicious, and ii) a limit degree of safety that is a probability that the file will definitely prove to be malicious, wherein an aggregate of consecutively calculated degrees is described by a predetermined time law, deciding that the file is malicious when the degree of maliciousness and the limit degree of safety satisfy a predetermined criterion, wherein that criterion is a rule for the classification of the file according to an established correlation between the degree of maliciousness and the limit degree of safety.
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Inventors:
Alexander S. Chischakoff
Alexei M. Romanenko
Alexander S. Sheverev
Alexei M. Romanenko
Alexander S. Sheverev
Application Number:
JP2019138879A
Publication Date:
February 21, 2022
Filing Date:
July 29, 2019
Export Citation:
Assignee:
AO Kaspersky Lab
International Classes:
G06F21/56
Domestic Patent References:
| JP2019091411A |
Other References:
RU 2659737 C1,2018年07月03日,pp.1-51
Attorney, Agent or Firm:
Sakai International Patent Office
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