Cisco Systems users now have a way to check if their network routers might have been infected by the recently disclosed SYNful Knock malware. The company yesterday released a new Python script that organizations can use to scan their networks for potentially infected routers. The free tool works by looking for routers on the network that answer to the malwares specific knock, William McVey, technical lead at Cisco’s Talos Threat Intelligence group said in a blog post. The tool can be used to detect hosts compromised with currently known versions of the malware.”]