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Title:
APPARATUS FOR DETECTING MALICIOUS DNS SERVER AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/085839
Kind Code:
A1
Abstract:
The present invention relates to a method for detecting a malicious DNS server, performed by a server detection apparatus, the method comprising the steps of: transmitting, to each of at least one DNS server candidate, at least one domain address which has been verified in advance; receiving, from the at least one DNS server candidate, at least one IP address related to the transmitted at least one domain address; determining at least one DNS server to be verified, on the basis of the received at least one IP address; and determining a malicious DNS server from among the at least one DNS server to be verified, by comparing the received at least one IP address with at least one normal IP address.

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Inventors:
KANG BYUNG TAK (KR)
CHOI HWA JAE (KR)
Application Number:
PCT/KR2020/015672
Publication Date:
April 28, 2022
Filing Date:
November 10, 2020
Export Citation:
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Assignee:
AI SPERA INC (KR)
International Classes:
G06F21/56
Foreign References:
KR20160027842A2016-03-10
KR20180005359A2018-01-16
KR20180118399A2018-10-31
US20160150004A12016-05-26
US20080147837A12008-06-19
Attorney, Agent or Firm:
BLT PATENT & LAW FIRM (KR)
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