Title:
MALICIOUS COMMUNICATION LOG DETECTION DEVICE, MALICIOUS COMMUNICATION LOG DETECTION METHOD, MALICIOUS COMMUNICATION LOG DETECTION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/221667
Kind Code:
A1
Abstract:
The malicious communication log detection device 10 compresses a first character string, which indicates a characteristic of a known malicious or benign communication log, and a second character string, which is a combination of the first character string and a character string characterizing a communication log to be checked. In addition, the malicious communication log detection device 10 calculates a score for determining whether the communication log to be checked is malicious or benign on the basis of the data size of the compressed first character string and the data size of the compressed second character string. In addition, the malicious communication log detection device 10 determines, on the basis of the calculated score and predetermined parameters, whether the communication log to be checked is malicious or benign.
Inventors:
OKANO YASUSHI (JP)
Application Number:
PCT/JP2017/020515
Publication Date:
December 28, 2017
Filing Date:
June 01, 2017
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06F21/55; G06F17/30
Domestic Patent References:
| WO2008055156A2 | 2008-05-08 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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