Q1 2026 Malware Statistics Report for Linux SSH Servers

Analysis of attacks against Linux SSH servers during Q1 2026 reveals P2PInfect worm as the dominant threat, representing 70.3% of all attack sources. DDoS botnets including Mirai, XMRig, Prometei, and CoinMiner were identified as primary threats. A notable campaign involved installing V2Ray proxy tools on compromised systems, attributed to a suspected Chinese threat actor. Attackers employed SSH brute-force techniques to gain access, executed reconnaissance commands to assess system information, and deployed V2Ray for proxy node operations. The campaign targeted poorly secured SSH servers with weak credentials, emphasizing the need for strong password policies, access controls, and network monitoring to detect unusual outbound connections and proxy-related activities.

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