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

Table 6

Symbol simplification of formula (14).

	Formula content	Simplified symbols
Dangerous permissions of the application	AppP1 (P1)	p0
Dangerous permissions of the components	ComP1	p1
Sensitive API calls	API
Component Intent communication	Intent	p2
Sensitive data flow acquisition	Flow	p3
Sensitive data transition	Transition	p4