IoT botnet on steroids
https://www.bleepingcomputer.com/news/security/mikrotik-shares-info-on-securing-routers-hit-by-massive-m-ris-botnet/
Latvian network equipment manufacturer MikroTik has shared details on customers can secure and clean routers enslaved by the massive Mēris DDoS botnet over the summer.
"As far as we have seen, these attacks use the same routers that were compromised in 2018, when MikroTik RouterOS had a vulnerability, that was quickly patched," a MicroTik spokesperson told BleepingComputer.