Which of the following can be used as a Trojan vector to infect an information system? Each correct answer represents a complete solution. Choose all that apply.

NetBIOS remote installation allows an attacker to push and execute malicious software on remote systems over a network share, making it a valid Trojan delivery mechanism.

Fake executables are the classic Trojan vector - a malicious payload disguised as a legitimate program that a user willingly runs.

Spyware and adware are frequently bundled with or used to download Trojan payloads, serving as secondary infection vehicles once they are installed.

ActiveX controls, VBScript, and JavaScript executed in a browser context can download and run Trojan payloads without explicit user consent, exploiting browser trust models.