Quantitative analysis for privacy leak software with privacy Petri net

  • Authors:
  • Lejun Fan;Yuanzhuo Wang;Xueqi Cheng;Shuyuan Jin

  • Affiliations:
  • Institute of Computing Technology, Beijing, China;Institute of Computing Technology, Beijing, China;Institute of Computing Technology, Beijing, China;Institute of Computing Technology, Beijing, China

  • Venue:
  • Proceedings of the ACM SIGKDD Workshop on Intelligence and Security Informatics
  • Year:
  • 2012

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Abstract

Nowadays, lots of private information are collected and spread without proper protection. privacy leak behavior has been widely discovered in many malwares and suspicious applications. We refer to such software as privacy leak software (PLS). In this paper we present an abstract model called Privacy Petri Net (PPN) for privacy leaks analysis. We build PPN modules of different privacy leak behavior sub procedure and give four indicators: possibility, severity, crypticity and manipulability for quantitative analysis. We apply our approach on real-world PLS and the case study shows that we can not only identifies the tested software as PLS, just like which is reported by AVS as malicious, but also calculate the severity, crypticity and manipulability of it. We can also evaluate the suspicious behavior in the applications which the AVSs simply treat as benign.