Researchers from TrendMicro have recently detected variants of two existing Linux botnet malware types targeting exposed Docker servers; these
are XORDDoS malware and Kaiji DDoS malware. Having Docker servers as their target is a new development for both XORDDoS and Kaiji; XORDDoS is known for targeting Linux hosts on cloud systems, while recently discovered Kaiji first reported affecting internet
of things (IoT) devices. Attackers usually used botnets to perform brute-force attacks after scanning for open Secure Shell (SSH) and Telnet ports.
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