Viral manifestations of undercover short messages

The virus has no obvious performance characteristics, and users can only detect it when they find that the SMS tariff is abnormal or the soft firewall of mobile phone killing prompts networking.

Virus hazard:

The direct harm of the virus is to consume the user's short message fee, and the potential harm is to steal the user's personal information, including but not limited to trade secrets, bank account passwords, personal privacy and so on.