> Commercial RAT Used by Malicious Hackers

Win-Spy is a commercial off-the-shelf (COTS) stealth monitoring tool. "Start Spying on any PC or Phone within the Next 5 minutes," says its website. With such products generally available, why should hackers go to the trouble of developing their own RATs? Indeed, according to a FireEye analysis following an attempted intrusion on a US financial institution, they don't.