S0171Felismus

[Felismus](https://attack.mitre.org/software/S0171) is a modular backdoor that has been used by [Sowbug](https://attack.mitre.org/groups/G0054). (Citation: Symantec Sowbug Nov 2017) (Citation: Forcepoint Felismus Mar 2017) Documented platforms: Windows. Attributed to ATT&CK group: Sowbug. Catalogued in ATT&CK 14.1. 3 references curated.