5.2 Banner Grabbing

Nmap can be used for banner grabbing. Nmap connects to an open TCP port and returns anything sent in a five-second period. Which of the following is the proper nmap command? -nmap -sN --script=banner ip_address -nmap -sV --script=banner ip_address -nmap -sX --script=banner ip_address -nmap -sT --script=banner ip_address

nmap -sV --script=banner ip_address

Information transmitted by the remote host can be captured to expose the application type, application version, and even operating system type and version. Which of the following is a technique hackers use to obtain information about the services running on a target system? -Banner grabbing -Wardriving -Wardialing -Firewalking

Banner grabbing

Which of the following is an online tool that is used to obtain server and web server information? -Telnet -nmap -P0f -Netcraft

Netcraft

Joe wants to use a stealthy Linux tool that analyzes network traffic and returns information about operating systems. Which of the following banner grabbing tools is he most likely to use? -P0f -Netcraft -Telnet -Shodan

P0f

Which of the following best describes telnet? -A tool that connects to an open TCP port and returns anything sent in a five-second period. -An online tool that is used to obtain server and web server information. -A Linux tool that analyzes network traffic and returns information about operating systems. -The tool of choice for banner grabbing that operates on port 23.

The tool of choice for banner grabbing that operates on port 23.