{"updated":"2025-01-20T04:04:45.626969+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00182460","sets":["1164:4088:9073:9199"]},"path":["9199"],"owner":"11","recid":"182460","title":["SMTP認証ログ解析によるアカウント情報漏洩検知"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-06-17"},"_buckets":{"deposit":"3a0d5952-3c11-4de6-9a15-d273a16ed77a"},"_deposit":{"id":"182460","pid":{"type":"depid","value":"182460","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"SMTP認証ログ解析によるアカウント情報漏洩検知","author_link":["397519"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"SMTP認証ログ解析によるアカウント情報漏洩検知"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"システム運用","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2017-06-17","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"岐阜大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Gifu University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/182460/files/IPSJ-IOT17038010.pdf","label":"IPSJ-IOT17038010.pdf"},"date":[{"dateType":"Available","dateValue":"2019-06-17"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT17038010.pdf","filesize":[{"value":"983.3 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"43"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"2bdd4509-0265-45c1-87d3-4b6a79f691c1","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2017 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"田中, 昌二"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12326962","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8787","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"ユーザ ID やパスワードなどのアカウント情報が外部に漏洩した場合，該当利用者の保有情報が漏洩するにとどまらず，漏洩したアカウントによってサービスが外部への攻撃に利用されるおそれがある．そうしたアカウントハイジャック攻撃の代表的な例に，漏洩アカウントのユーザを送信者としたフィッシングメールなど不正メールの送信がある．そこで，本研究では，SMTP 認証ログのリアルタイム解析し，アカウント単位でクライアント IP アドレスの割り当て国の統計を取ることによって，内部アカウントからの不正メール送信を検知する手法を提案する．さらに，本稿では，検知 / 通報システムの構築，およびその効果について述べる．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告インターネットと運用技術（IOT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2017-06-17","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"10","bibliographicVolumeNumber":"2017-IOT-38"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:50:04.470477+00:00","id":182460,"links":{}}