Chinese Fire Ant hackers turn Cisco routers into spying platforms
Summary
Chinese Fire Ant hackers are using Cisco routers as spying platforms by exploiting Generic Routing Encapsulation (GRE) tunnels. Researchers discovered an unexplained GRE tunnel interface on a Cisco IOS XR router, indicating a novel attack vector.
IFF Assessment
FOE
This finding reveals a new technique employed by threat actors to compromise infrastructure, posing a direct threat to defenders.
Defender Context
Threat actors are finding creative ways to leverage legitimate network devices like Cisco routers for malicious purposes. Defenders should be vigilant for unusual GRE tunnel configurations or unexpected network activity on their routing infrastructure.