SYNful Attacks Cisco Routers
http://blogs.cisco.com/security/synful-knock This is an attack that is successful only if you do not change default passwords on Cisco Routers. But… see below. In Mid September: { Today, Mandiant/FireEye published an article describing an example of this type of attack. This involved a router “implant” that they dubbed SYNful Knock, reported to have been found in 14 routers … Read more