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- 저자 : 양홍진 (검색결과 66 건)
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양홍진,안영숙,한보식,심경진,송두종,YANG HONG JIN,AHN YOUNG SOOK,HAN BO SIK,SIM KYUNG JIN,SONG DOO JONG 한국천문학회 1999 天文學論叢 Vol.14 No.2
We arranged ancient Korean calendar during Koryo dynasty (A.D. 918-1392) according to Julian calendar. We used two representative history books, Koryo-sa (高麗史) and Koryo-sa Jeolyo (高麗史節要), which contain thea stronomical and the historical records chronologically. We found all 19,727 ganji dates(日辰) and 102 misrecoreded ganji dates in two books. Most of the data are arranged based on those two books, and doubtful data are identified using the eclipse, historical events and lunar phase calculations etc. Although Korea, China, and Japan were using basically the same calendar since ancient times, their calendars show some significant disagreement. We found that arranged chronological tables during Koryo dynasty were, in some cases, different from those of China and Japan.
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고대 천문기록과 정치적 환경과의 상관관계 연구 - 유성과 유성우 기록을 중심으로 -
양홍진,최고은,Yang, Hong-Jin,Choi, Goeun 한국천문학회 2012 天文學論叢 Vol.27 No.5
We study the correlation between distributions of astronomical records and historical events using historical meteor (shower) records. In Korean chronicles, planets and meteor (shower) records are the most abundant astronomical phenomena. And they represent a general tendency of the number distribution of whole astronomical observations. We examine the correlation for the number distribution between meteors (showers) and planets during A.D. 1200-1700 and find that both records have a similar distribution. We classify historical events into three grades according to the social impact, and investigate the correlation between distributions of meteor (shower) records with social events, such as, new king's accession to the throne, foreign invasions, and domestic turmoils. From the statistical analysis, we cannot find any correlation between the meteor (shower) records and the political events. Therefore, we conclude that Korean historical records have not been influenced by the political events. We also examine the correlation between Chinese and Japanese meteor (shower) records and political events for A.D. 1200-1700, respectively, but cannot find any correlations between them.
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Path를 이용한 악성코드 유포지 그룹 탐지에 대한 연구
양홍진,이상진,윤지원 한국디지털포렌식학회 2023 디지털 포렌식 연구 Vol.17 No.4
악성코드 유포지로 악용되는 국내 서버가 증가하고 있다. 공격자는 여러 악성코드 유포지를 미리 확보하고 있다가 악성코드 유포지가 차단되면 다른 악성코드 유포지를 통해 동일 악성코드를 계속 유포한다. 따라서 악성코드 유포지 그룹처럼 관리되는 유포지들을 한꺼번에 신속하게 차단할 방안이 요구되고 있다. 본 논문은 Path를 이용하여 동일 악성코드를 유포하고 있는 사이트 그룹을 탐지하는 방안을 제안한다. 악성코드를 유포하는 30개의 URL을 수집하였고, 해당 URL을 통해 악성코드를 내려받아 샘플화 하였다. 수집한 URL에서 Path를 분리한 후, 국내 IP와 조합하여 동일 악성코드가 탐지되는 웹 서버가 있는지를 실험하였다. 그 결과 각각 1개 이상의 다른 악성코드 유포지가 탐지되었고, 해시값이 다른 악성코드 1개도 탐지되었다. 따라서 본 논문에서 제안하는 악성코드 유포지 그룹 탐지 방안은 선제 대응 조치가 가능하여 추가 피해 예방에 도움이 될 것으로 기대한다. The number of domestic servers used as distribution sites for malicious code is increasing. The attacker has several malicious code distribution sites in advance, and when one malicious code distribution site is blocked, the same malicious code continues to be distributed through other malicious code distribution sites. There is a need for a way to quickly block distribution sites that are managed like a malicious code distribution site group. This paper proposes a method to detect a group of sites distributing the same malicious code using Path. Thirty URLs distributing malicious codes were collected, and malicious codes were downloaded through the URL and sampled. After separating Path from the collected URL, it was combined with domestic IP to test whether there was a web server in which the same malicious code was detected. As a result, more than one different malicious code distribution site was detected, and one malicious code with different hash values was also detected. Therefore, the method for detecting malicious code distribution groups proposed in this paper is expected to help prevent additional damage by enabling preemptive response measures.
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