Malware researchers from ESET have discovered a new Linux malware dubbed Linux/Shishiga targeting systems in the wild.
Shishiga malware relies on the use of weak, default credentials in its attempts to plant itself on insecure systems through brute-force attacks. The malware uses a built-in password list in the attempt to hack a system.
Detailed report can be found here: Linux Shishiga malware using LUA scripts