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/1741622321247326504

https://twitter.com/home/status/1741734292781461774

https://twitter.com/home/status/1741750888111186101