https://www.bleepingcomputer.com/news/security/prowli-malware-operation-infected-over-40-000-servers-modems-and-iot-devices/

Cyber-criminals have managed to assemble a gigantic botnet of over 40,000 infected web servers, modems, and other IoT devices, which they used for cryptocurrency mining, and for redirecting users to malicious sites.

Named Prowli and discovered by the GuardiCore security team, this botnet is a diverse operation that relies on vulnerabilities and credentials brute-force attacks to infect and take over devices.