Rubeus - S1071 (e33267fe-099f-4af2-8730-63d49f8813b2)
Rubeus is a C# toolset designed for raw Kerberos interaction that has been used since at least 2020, including in ransomware operations.(Citation: GitHub Rubeus March 2023)(Citation: FireEye KEGTAP SINGLEMALT October 2020)(Citation: DFIR Ryuk's Return October 2020)(Citation: DFIR Ryuk 2 Hour Speed Run November 2020)