Malware botnets spread through Cacti, Realtek flaws Numerous malware botnet attacks since January have sought to spread Moobot and ShellBot malware through the exploitation of a critical Cacti command critical injection bug, tracked as CVE-2022-46169, and a critical Realtek Jungle SDK remote code execution flaw, tracked as CVE-2021-35394, BleepingComputer reports.