{"links":{},"id":2009649,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02009649","sets":["1164:4088:1771221559804:1777431367596"]},"path":["1777431367596"],"owner":"80578","recid":"2009649","title":["動的解析を用いたAndroidアプリのユーザデータ取得実装言語の分析"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2026-05-21"},"_buckets":{"deposit":"37df84cf-7652-4a68-837d-4afda2941e95"},"_deposit":{"id":"2009649","pid":{"type":"depid","value":"2009649","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"動的解析を用いたAndroidアプリのユーザデータ取得実装言語の分析","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"動的解析を用いたAndroidアプリのユーザデータ取得実装言語の分析","subitem_title_language":"ja"},{"subitem_title":"Understanding the Implementation Languages of User Data Access in Android Apps through Dynamic Analysis","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"CSEC","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2026-05-21","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"岡山大学"},{"subitem_text_value":"岡山大学"},{"subitem_text_value":"岡山大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Okayama 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/2009649/files/IPSJ-IOT26073004.pdf","label":"IPSJ-IOT26073004.pdf"},"date":[{"dateType":"Available","dateValue":"2028-05-21"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT26073004.pdf","filesize":[{"value":"1.4 MB"}],"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":"98e7057e-bfcf-4b2d-9260-364ffec9f9c9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2026 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"亀田,龍征"}]},{"creatorNames":[{"creatorName":"稲吉,弘樹"}]},{"creatorNames":[{"creatorName":"門田,暁人"}]}]},"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":"Androidアプリによるユーザデータの取得・利用は，ユーザプライバシーの観点から重要な問題であり，その把握のためにアプリ本体の解析が広く行われている．しかし，Androidアプリは単一言語ではなく，Java/Kotlinに加えて，JavaScriptやNativeコード（C/C++）などが混在する構造を持っており，このことが解析を困難にしている．各実行基盤に対しては，これまでに解析手法やツールの開発が進められてきた．一方で，既存の解析ではJava/Kotlinコードに主眼が置かれる場合が依然として多く，そのような解析ではユーザデータ利用の一部を見落とす可能性がある．そこで本研究では，国内のGoogle Playから取得した約6,000個のアプリを対象として，Fridaを用いた動的解析により，どの実行基盤でどの種類のユーザデータ取得が実装されているかを実証的に分析した．特にネットワーク情報の取得において，JavaScriptを起点とした呼び出しが多く確認された．検出アプリ数はJavaの約2倍であり，この結果はJava中心の解析の限界を示した．さらに，利用されているSDKやアプリケーションコードの傾向，および言語ごとに取得されやすいデータ種別の違いを明らかにした．","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":"2026-05-21","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"2026-IOT-73"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"created":"2026-05-14T07:16:23.720832+00:00","updated":"2026-05-14T07:16:28.329735+00:00"}