01 Ethical Hacking Introduction

List of Content

1. Network Hacking
2. Gaining Access
3. Post Exploitation
4. Website Hacking

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1. Setting up the Lab

• Download VirtualBox and VirtualBox Extension Pack
• Download Kali Linux
• Install and enter Kali linux
  • Default Username: root
  • Default Password: toor

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2. Linux Command

Reference and Descriptions

Command	Description	Example
ls	List information about file(s)	ls -la
cd	change directory	cd /opt/test
pwd	Print Working Directory	pwd
touch	Change file timestamps or Create a new file	touch desc.txt
mkdir	Display a calendar	mkdir -p /opt/test/img
cat	Concatenate files and print on the standard output	cat desc.txt
more	Display output one screen at a time	more desc.txt
tail	Output the last part of files	tail -100 desc.txt
cp	Copy one or more files to another location	cp desc.txt /mnt/ cp -r test /mnt/
mv	Move or rename files or directories	mv desc.txt /mnt/
rm	Remove files	rm -rf test
find	Search for files that meet a desired criteria	find /opt -name '*.txt'
ln	Make links between files	ln -s /opt/test ./link2test
ifconfig	display current network configuration information	ifconfig
netstat	display network connections	netstat -a
ps	Process status	ps -ef ps-ef | grep java
du	Estimate file space usage	du -h /opt/test
df	Display free disk space	df -h
top	List processes running on the system	top
kill	Stop a process from running	kill -s 9 27810
tar	Tape Archiver	Compress: tar -zcvf test.tar.gz ./test Unzip: tar -zxvf test.tar.gz
chown	Change the user and group ownership of files	chown nginx:nginx desc.txt chown -R nginx:nginx test
chmod	Change the access permissions of files and directories	chmod u+x test.sh chmod u+x -R test
vim / vi	Text Editor	vim desc.txt vi hello.txt
shutdown	shutdown your computer	shutdown -h now shutdown -r -t 60
man	Help manual	man ls
apt-get update	Update the list of programs your can install
apt-get install	Install the program you want	apt-get install terminator

Use --help as any Command option for help

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3. Network Hacking

• Pre-connection Attacks
• Gaining Access
• Post-connection Attacks

Why change the MAC adrress

1. Increase anonymity
2. Impersonate other devices
3. Bypass filters

How to change the MAC adrress

1. use ifconfigto list all the network interfaces available
2. the MAC address is afterether
3. use ifconfig [devicename] downto turn down the device you want to change
4. use ifconfig [devicename] [option] [value]to turn down the option you want to change

eg: ifconfig wlan hw ether 00:11:22:33:44:55

5. use ifconfig [devicename] upto turn on