Which of the following attacks installs a key logger on the victim's system in an attempt to collect usernames and passwords?

A. IP spoofing attack
B. Denial-of-service attack
C. Rogue code attack
D. Emanation eavesdropping attack

Answer: C
Explanation: In a rouge code attack, the victim without his knowledge installs a key logger that collects sensitive information, such as username and passwords.