S0412ZxShell

[ZxShell](https://attack.mitre.org/software/S0412) is a remote administration tool and backdoor that can be downloaded from the Internet, particularly from Chinese hacker websites. It has been used since at least 2004.(Citation: FireEye APT41 Aug 2019)(Citation: Talos ZxShell Oct 2014) Documented platforms: Windows. Catalogued in ATT&CK 14.1. 3 references curated.