NBC.com infected its visitors with malicious software (malware) The Citadel Trojan is used for banking fraud and cyber-espionage. The attacks were carried out by the Redkit Exploit Kit. An hour later the attack pages were swapped, which means cyber criminals still have access to NBCs pages. The attack also served an unknown malware binary, connecting to various websites: http://www.nbc.com/assets/core/js/s_wrapper.js. The Citadel malware communicates with the following server, which is already sinkholed.”]
Source: https://hitmanpro.wordpress.com/2013/02/21/nbc-com-hacked-serving-up-citadel-malware/