We uncovered an updated Bashlite malware designed to add infected internet-of-things devices to a distributed-denial-of-service (DDoS) botnet. Based on the Metasploit module it exploits, the malware targets devices with the WeMo Universal Plug and Play (UPnP) application programming interface (API).
This updated iteration of Bashlite is notable. For one, its arrival method is unique in that it doesnt rely on specific vulnerabilities (e.g., security flaws assigned with CVEs). It instead abuses a publicly available remote-code-execution (RCE) Metasploit module. It now also sports additional DDoS-related commands, and added new ones that gave the malware cryptocurrency mining and backdoor capabilities. It can also deliver malware that removes competing botnet malware.
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