Malicious Domain in SolarWinds Hack Turned into ‘Killswitch’
Krebs on Security 2020-12-16
Summary:
A key malicious domain name used to control potentially thousands of computer systems compromised via the months-long breach at network monitoring software vendor SolarWinds was commandeered by security experts and used as a "killswitch" designed to turn the sprawling cybercrime operation against itself, KrebsOnSecurity has learned.