ViralTopic

BPFDoor variants and ICMP relay persistence

April 3, 2026Rapid7

Rapid7 says it found seven new BPFDoor variants using stateless C2 routing and ICMP relay to bypass security stacks and establish persistence in global telecoms.

discovery of 7 new BPFDoor variants
stateless C2 routing and ICMP relay work to bypass multi-million dollar security stacks
establish persistence in global telecoms
Rapid7
malwaretelecomc2

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