Elizabeth is investigating a network breach at her company. She discovers a program that was able to execute code within the address space of another process by using the target process to load a specific library. What best describes this attack?

In a DLL injection, the malware attempts to inject code into the running process of a library in memory. This is a rather advanced attack. A logic bomb executes its misdeed when some condition is met. Session hijacking is taking over an authenticated session. Buffer overflows are done by sending more data to a variable than it can hold.