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Showing posts from June, 2016

Creating Fake SMS with Android

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I was curious about how challenging it would be to create fake SMS messages, so I decided to make a small research. I came across a straightforward app that allows users to create fake SMS messages. The app's interface is user-friendly, letting you set the message type, date, and time. However, to use this app, you need to set it as the default messaging application. At this point, I was confident that it was possible to achieve this without root permissions. Initial Exploration My first approach was to send a fake intent to simulate a new SMS arrival. Despite my efforts, this method didn’t work. Many sources suggested using the android.provider.Telephony.SMS_DELIVER intent action, which is the system intent action for broadcasting SMS. However, starting from Android 4.4 (KitKat), only the default messaging app can receive this intent, and broadcasting it is restricted to system applications. Additionally, permissions for reading and writing SMS are restricted to the default messa