in this course we will build an advanced mobile android application backdoor attack controlled by a remote desktop applicaiotn using java language, we will explain every details beginning from theoretical part until we reach into expremental part. the mobile application is considered as a motivation quotes from a wisdom men, with a beautiful design in addition it contains a malicious code which allows us a remote connexion with another desktop application (the communication is based in the socket).this mobile application allows the hacker to get: information about device target (hardware).information about network (SIM) device target. show a text message in device target. all list contact from device target. all logs contact from device target. all sms list target. send an sms into specific numbere using device target. call a specific numbere using device target. we will also build a desktop application for hacker side with a graphical user interface, through this last the hacker can manipulate the target phone as he wants. through this program i can get: a report about data targets. save data target into text file. we will build all this things step by step, so subscribe for this course and i will do my best to satisfy you. note: the mobile application works just in android 5.2 and less, because the degree of security in another versions is higher, it requests a permission from the user in each time.