Zscalers ThreatLabZ research team recently analyzed a Linux-based malware family, tracked as DreamBus Botnet. The bot is a variant of SystemdMiner, which is composed of a series of Executable and Linkable Format (ELF) binaries and Unix shell scripts. The malware has a modular structure and its worm-like behavior that is highly effective, it is able to spread to systems that are not directly exposed to the internet by scanning for vulnerable systems.”]
Source: https://securityaffairs.co/wordpress/113832/malware/dreambus-botnet-linux-servers.html