Buckeye: Espionage Outfit Used Equation Group Tools Prior to Shadow Brokers Leak

Windows zero day was exploited by Buckeye alongside Equation Group tools during 2016 attacks. Exploit and tools continued to be used after Buckeye’s apparent disappearance in 2017.
Source: Symantec
Buckeye: Espionage Outfit Used Equation Group Tools Prior to Shadow Brokers Leak