The Equation group is a sophisticated cyberespionage group that uses a variety of attack tools and malware, including DOUBLEFANTASY, EQUATIONDRUG, GRAYFISH, and Fanny. They use a range of exploits to infect victims, and their implants use a variety of C&C infrastructure. The group targets a range of victims, and their malware uses a variety of encryption algorithms. The most sophisticated thing about the Equation group is their ability to remain undetected for long periods of time. It is not yet clear who is behind the group.