Security expert Dancho Danchev profiled hacking for hire services offered in the underground, providing an indication of their prices. The price depends on the type of attack, a persistent DDoS attack costs $50 for a single day, $300 for a week, and $1000 for a month. Cyber crooks who sale the service can maximize their earnings, the clients could find the best compromise between costs and efficiency of the offensive. The offer of hacking tools for mobile seems to be one of the most interesting trend, it has been observed a rapid growth for tools that allow the Smartphone hacking.”]
Source: https://securityaffairs.co/wordpress/22323/cyber-crime/profiling-hacking-hire-services.html