The Study And Experimentation Of Anti-tracking Technology Based On Mobile Botnets

With the rapid development of the Internet,hackers start to use botnets to engage in illegal activities,leading to the proliferation of bots.Botnets have become one of the great threats to Internet security.In recent years,with the background of fast-growing mobile network and devices,mobile botnets begin to rise.Botnet masters use some malicious software to take control of the mobile devices.Use them to send spam messages,steal user privacy and even launch DDoS attacks with the advantage of high-speed mobile network.In this situation,we must strengthen research on mobile botnet and its anti-tracking characteristics against the rapid spreading of botnets to mobile devices.In this thesis,we studied the mobile botnet and its anti-tracking characteristics to establish an anti-tracking subsystem based on mobile botnet.We also provided a variety of anti-tracking strategies to keep the botnet from being tracked.Combining with the traditional PC botnet,we provided a variety of anti-reconnaissance,anti-break strategies aimed at the Android platform.Between the botnet master and mobile nodes,we added a layer of trusted relay agents to increasing concealment of the master side.In the process of multi-party interaction,we encrypted and signed the contents of the communication with asymmetric encryption to ensure the security of communications and do the authentication for control commands as well.We also provided the Android packets masquerading strategy,which enables IP masquerading and loose source routing within Android system,improving the bots'anti-tracking capabilities.After mobile bots collect privacy information,they use GZip compression technology to reduce network traffic.At last we proposed a hybrid P2P communication architecture based on Chord,which completed the communication between the bot nodes to obtain control commands.Through evaluation we can find that,this P2P network based on this communication architecture have effectively reduced the communication traffic and command lookup hops,while greatly increases the robustness of the botnet.