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Experts analyzed attacks against poorly managed Linux SSH servers


"Researchers at AhnLab Security Emergency Response Center (ASEC) are warning about attacks targeting poorly managed Linux SSH servers, primarily focused on installing DDoS bots and CoinMiners.  In the reconnaissance phase, the threat actors perform IP scanning to look for servers with the SSH service, or port 22 activated, then launch a brute force or dictionary attack to obtain the ID and password.  Threat actors can also install malware to scan, perform brute force attacks, and sell breached IP and account credentials on the dark web.  Common malware used in attacks against poorly managed Linux SSH servers include ShellBot [1][2], Tsunami [3], ChinaZ DDoS Bot [4], and XMRig CoinMiner [5]. "

* Read the full article on securityaffairs.


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