Risk Measurement Method of Collusion Privilege Escalation Attacks for Android Apps Based on Feature Weight and Behavior Determination

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Formula content</td><td class="align_center">Simplified symbols</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Dangerous permissions of the components</td><td class="align_center">AF2 (P1)</td><td class="align_center">q0</td></tr><tr><td class="align_left">Sensitive API calls</td><td class="align_center">AF3</td><td class="align_center">q1</td></tr><tr><td class="align_left">Component Intent communication</td><td class="align_center">AF5</td><td class="align_center">q2</td></tr><tr><td class="align_left">Sensitive data flow acquisition</td><td class="align_center">AF4</td><td class="align_center">q3</td></tr><tr><td class="align_left">Sensitive data transition</td><td class="align_center">AF6</td><td class="align_center">q4</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Symbol simplification of formula (<a href="https://static.hindawi.com/articles/scn/volume-2021/8814844/figures/#EEq17" target="_blank">17</a>).</div>

Security and Communication Networks

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Table 7

Table 7: Risk Measurement Method of Collusion Privilege Escalation Attacks for Android Apps Based on Feature Weight and Behavior Determination 