Towards Automated Android App Collusion Detection
  Android OS supports multiple communication methods between apps. This opens the possibility to carry out threats in a collaborative fashion, c.f. the Soundcomber example from 2011. In this paper we provide a concise definition of collusion and report on a number of automated detection approaches, developed in co-operation with Intel Security. 
Irina Mariuca Asavoae, Jorge Blasco, Thomas M. Chen, Harsha Kumara   Kalutarage, Igor Muttik, Hoang Nga Nguyen, Markus Rogge...
cs.SE cs.CR