PingRAT: secretly passes C2 traffic through firewalls using ICMP payloads

https://securityonline.info/pingrat-secretly-passes-c2-traffic-through-firewalls-using-icmp-payloads/

https://twitter.com/home/status/1741460858255933760

https://twitter.com/home/status/1741469798549033229

https://twitter.com/home/status/1741514377428083176