S0274Calisto

[Calisto](https://attack.mitre.org/software/S0274) is a macOS Trojan that opens a backdoor on the compromised machine. [Calisto](https://attack.mitre.org/software/S0274) is believed to have first been developed in 2016. (Citation: Securelist Calisto July 2018) (Citation: Symantec Calisto July 2018) Documented platforms: macOS. Catalogued in ATT&CK 14.1. 3 references curated.