Chapter 3 Ethical Hacking

kali > iconfig

queries active network connections

dig

offers a way to gather DNS information about a target domain

kali > dhclient eth0

requests a dynamic IP from the DHCP server

useful for slipping in as a legit device on Lan

kali > iwconfig

gathers information like adapters IP address, MAC address, and what modes it is in.

kali >ifconfig eth0

changes IP address

kali> iconfig eth0 netmask

changes network mask and broadcoast adress

kali> ifconfig eth0 down

kali> ifconfig eth0 hw ether

kali>ifconfig etc0 up

commands to spoof a MAC address

kali> dig hackers-arise.com ns

displays information on a domain nameserver

kali> hackers-arise.com mx

displays information on a domain mail exchange server

kali > echo “nameserver 8.8.8.8”> / ect/resolv.conf

echoes the string nameserver 8.8.8.8 and redirects it to the file etc/resolv.comf replacing the current content

find information on your active network interfaces

kali > ifconfig

change the IP address on eth0 to 192.168.1.1

kali > ifconfig eth0 192.168.1.1 netmask 255.255.255.0 up

change the hardware address on eth0

ifconfig eth0 down

ifconfig eth0 hw ether

ifconfig eth0 up

check if any avaliable wireless interfaces are active

kali> iwconfig

find the nameserver and email server of your favorite website

kali > .com ns

kali > .com mx