Unstructured Supplementary Service Data (USSD) is a protocol used by GSM cellular telephones to communicate with the service provider’s computers. USSD can be used for WAP browsing, prepaid callback service, mobile-money services, location-based content services, menu-based information services, and as part of configuring the phone on the network.
USSD messages are up to 182 alphanumeric characters in length. Unlike Short Message Service (SMS) messages, USSD messages create a real-time connection during a USSD session. The connection remains open, allowing a two-way exchange of a sequence of data. This makes USSD more responsive than services that use SMS.
Some of these codes may lead you to a menu use the option key (far left soft key) to navigate. Some of the
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About 2 months ago I started thinking about creating Android security application. I was looking where the other application are weak, since there are a lot of android device protection and anti malware application available on Google play. Thing I found that most of those application don’t use application permissions as indicator that some other application is malicious. Other thing I also found is that a lot of features, that are quite easy to develop are premium. As I was looking for project to train myself, and help others to train developing android security tools that had not that luck to be employed by some anti virus company, I decided to create open source project. There will be no other
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Mobile malware came not so long ago as PC malware. Mobile malware is almost 20 years younger, but today since almost everyone has mobile device it evolved to quite dangerous tools for attackers. Also mobile manifacturers were doing their job, creating sandbox environement in mobile operating systems, so users can be quite secure. Sandboxes helped a lot to elemenate some of the threats, but not all.
It all started in 2004 with malware called Cabir. Cabir is a worm that was originally developed as a proof of concept by a coder named Vallez who worked as a part of the 29A group of virus writers. Cabir was written to infect Symbian-based devices and spread via Bluetooth as a
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