S0691Neoichor

[Neoichor](https://attack.mitre.org/software/S0691) is C2 malware used by [Ke3chang](https://attack.mitre.org/groups/G0004) since at least 2019; similar malware families used by the group include Leeson and Numbldea.(Citation: Microsoft NICKEL December 2021) Documented platforms: Windows. Attributed to ATT&CK group: Ke3chang. Catalogued in ATT&CK 14.1. 2 references curated.