network scanner

September 23, 2015

THREAT RESEARCH

SYNful Knock Scanner

3 min read

This post was authored by William McVey. Update 9/23: We updated the tool to version 1.0.1 Talos is constantly researching the ways in which threat actors are evolving to exploit systems. Recently, a piece of persistent malware coined as “SYNful Knock” was discovered on Cisco routers. While this malware attack is not a vulnerability, as […]