GROK?
"NSA whistleblower Edward Snowden in 2014 revealed the NSA’s use of a tool or malware named "GROK" for keystroke logging. The Intercept article, titled "How the NSA Plans to Infect ‘Millions’ of Computers with Malware," detailed the NSA’s use of various hacking tools, including GROK, as part of its surveillance operations"
