A POP3 client contacts the POP3 server:

A remote user tries to login to a secure network using Telnet, but accidently types in an invalid user name or password. Which responses would NOT be preferred by an experienced Security Manager? (multiple answer)

You are writing an antivirus bypassing Trojan using C++ code wrapped into chess.c to create an executable file chess.exe. This Trojan when executed on the victim machine, scans the entire system (c:) for data with the following text "Credit Card" and "password". It then zips all the scanned files and sends an email to a predefined hotmail address.

You want to make this Trojan persistent so that it survives computer reboots. Which registry entry will you add a key to make it persistent?

John wants to try a new hacking tool on his Linux System. As the application comes from a site in his untrusted zone, John wants to ensure that the downloaded tool has not been Trojaned. Which of the following options would indicate the best course of action for John?

A file integrity program such as Tripwire protects against Trojan horse attacks by:

Sniffing is considered an active attack.

Which of the following Netcat commands would be used to perform a UDP scan of the lower 1024 ports?

John wishes to install a new application onto his Windows 2000 server.

He wants to ensure that any application he uses has not been Trojaned.

What can he do to help ensure this?

In Linux, the three most common commands that hackers usually attempt to Trojan are:

You suspect that your Windows machine has been compromised with a Trojan virus. When you run anti-virus software it does not pick of the Trojan. Next you run netstat command to look for open ports and you notice a strange port 6666 open.

What is the next step you would do?