Android Silent SMS Ping

• Does not require rooted device
• SMS will not be delivered as standard SMS, target user will receive no visual notification about SMS being received

## Description

• Payload looks like this: byte[]{0x0A, 0x06, 0x03, (byte) 0xB0, (byte) 0xAF, (byte) 0x82, 0x03, 0x06, 0x6A, 0x00, 0x05}
• Full SMS PDU looks like this: 03050020 01f61fe0c91246066833682000412 06050423f00000 0a0603b0af8203066a0005
  • Where first segment is SMSC (SMS Center), second is user-defined data SMS, last segment is payload specified in userspace
  • Using this payload, remote mobile station (baseband) will not deliver or correctly process the SMS, will only provide ACK (delivery report)

Links

• 3GPP 23.040 (originally GSM 03.40) https://en.wikipedia.org/wiki/GSM_03.40
• 3GPP 23.038 (originally GSM 03.38) https://en.wikipedia.org/wiki/GSM_03.38

Build

• Compile it yourself and install on Android connected device
  • ./gradle clean installDebug

License

The project is licensed under the GNU General Public License version 3 (or newer)