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システムの停止や情報漏洩を阻止して損失を最小限に抑えることが最も重要である．そのためには早い段階で攻撃活動を検出し被害の範囲を特定して，攻撃が広がる前に適切な対処を実施する必要がある．著者らは攻撃者が実行したリモート操作と悪用したアカウントを解析して被害範囲を特定する高速なネットワークフォレンジック手法を提案した．本稿では，被害範囲の特定精度を向上させるためのアカウントとリモート操作コマンドの自動ひも付け方式の改良手法を提案する．また，提案手法を実装したプログラムを用いて，MWS Datasets 2018 の攻撃分析を行った結果について述べる．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"1177","bibliographic_titles":[{"bibliographic_title":"コンピュータセキュリティシンポジウム2018論文集"}],"bibliographicPageStart":"1170","bibliographicIssueNumber":"2","bibliographicVolumeNumber":"2018"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":192260,"links":{}}