Building packet length covert channel over mobile VoIP traffics

摘要

Mobile VoIP (Voice over Internet Protocol) has shown its widely prevalence and laid the feasibility for concealed communication. VoIP contains continuous and huge amount of data transmission during communication which provides attractive chance for constructing high throughput covert channels. Moreover, the redundancy and the specialties of mobile VoIP traffics enable the construction of stealthy and robust covert channel.