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Analytic hierarchy process (AHP) is used to calculate the weight of feature in the feature set extracted from the app. App behavior and attack behavior are modeled by process algebra. The weak equivalent and nonequivalent are introduced to determine the behavior of apps, whereas the measurement function is constructed to calculate the app risk measurement value. In an experiment with three known apps, the measurement values are 0.629, 1, and 0.976. These results are consistent with reality, and the effectiveness and feasibility of the proposed method are verified. Through the benchmark and test set experiments, it can be seen that the measurement value of apps that has weak equivalent to attack behavior is distributed between 0.0468 and 1, and the measurement value distribution is reasonable, which verifies the accuracy and rationality of the method.<\/jats:p>","DOI":"10.1155\/2021\/8814844","type":"journal-article","created":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T20:23:02Z","timestamp":1609964582000},"page":"1-18","source":"Crossref","is-referenced-by-count":3,"title":["Risk Measurement Method of Collusion Privilege Escalation Attacks for Android Apps Based on Feature Weight and Behavior Determination"],"prefix":"10.1155","volume":"2021","author":[{"given":"Hui","family":"Li","sequence":"first","affiliation":[{"name":"School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China"},{"name":"School of Business Administration, Hebei Normal University of Science &Technology, Qinhuangdao 066004, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3172-2183","authenticated-orcid":true,"given":"Limin","family":"Shen","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuying","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiayin","family":"Feng","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China"},{"name":"School of Mathematics and Information Science & Technology, Hebei Normal University of Science &Technology, Qinhuangdao 066004, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Honglei","family":"Tan","sequence":"additional","affiliation":[{"name":"School of Continuing Education, Yanshan University, Qinhuangdao 066004, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhiming","family":"Li","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1155\/2020\/8863617"},{"key":"2"},{"key":"3"},{"key":"4"},{"key":"5"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1145\/3301285"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1016\/j.future.2018.09.042"},{"key":"8"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1145\/3136825.3140583"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1145\/3297156.3297181"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1145\/3290480.3290493"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.1155\/2018\/2769417"},{"issue":"11","key":"13","article-title":"DroidPortrait: android malware portrait construction based on multidimensional behavior analysis","volume":"10","author":"X. 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