Threats Tagged 'lkm'
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Threats Tagged 'lkm'
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Elastic Security Labs analyzes VoidLink, a sophisticated Linux malware framework combining Loadable Kernel Modules (LKMs) and eBPF for persistence. The rootkit, developed by a Chinese-speaking threat actor, evolved through four generations, targeting kernels from CentOS 7 to Ubuntu 22.04. VoidLink employs advanced techniques like delayed initialization, runtime key rotation, and a hybrid LKM-eBPF architecture for comprehensive stealth. Notable features include an ICMP-based covert channel, process protection, and memfd-aware boot loading. Evidence suggests AI-assisted development, lowering the barrier for kernel-level rootkit creation. Detection strategies and defensive recommendations are provided to counter this emerging threat. Join the discussion | AlienVault OTX General | 03/26/2026, 11:59:44 UTC Added: 03/26/2026, 18:04:40 UTC |
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