Malware
Masuta
aka PureMasuta
Masuta is a variant of Mirai that targets IoT devices, primarily routers, using dictionary attacks to target weak credentials.
Masuta, also known as PureMasuta, is a Linux malware family operated by Nexus Zeta.
Background
Masuta is a Mirai offshoot that goes after IoT devices, chiefly routers, leveraging dictionary attacks against weak credentials. A further branch, PureMasuta, exploits the EDB 38722 D-Link HNAP Bug.
Source: Malpedia (Fraunhofer FKIE).