Cybercrime, Sysrv-hello looks for vulnerabilities in Windows or Linux for cryptomining Alibaba Cloud cybersecurity experts: The botnet uses a single binary to extract and sneak automatically… Cybercrime, Sysrv-hello looks for vulnerabilities in Windows or Linux for cryptomining 27 April 2021 Francesco Bussoletti Cyber, Defence and Security Alibaba Cloud cybersecurity experts: The botnet uses a single binary to extract and sneak automatically malware onto other devices.