8/3/2019 39 42 Hacking

1/27

8/3/2019 39 42 Hacking

2/27

The process of attempting to gain, or

successfully gaining, unauthorized access to

computer resources for the purpose of help or

secure system is called hacking.

8/3/2019 39 42 Hacking

3/27

1966 ROBERT MORRIS Introduces theconcept of safe hacking.

1969 Development in the fild of hacking.

1990 Electronic frontier foundation wasfounded.

1995 Marc Andreesson and Eric Bina of the

National Center for SupercomputingApplications release Mosaic, the first WWWbrowser that can show graphics

8/3/2019 39 42 Hacking

4/27

Hacker is not cyber criminal but he is the very intelligent

person who is use his knowledge in constructive manner to

secure system & never damage data.

Hacking is technique in which any one can access any ones

computer with out his permission. the person who is doing

this type of work is called hacker.

He know all about the operating system & different holes in

the system.

8/3/2019 39 42 Hacking

5/27

Person who enter into others system and violates

the system , damage the data , create havoc is called

cracker.

Cracker is cyber criminal.

They can be easily identified because their action aremalicious .

8/3/2019 39 42 Hacking

6/27

Crackers exist because human nature is just so,frequently driven by a desire to destroy instead of

create.

They are use for different purpose like for profit ,some company use them for disable the competitor

company , for cracks credit card number.

8/3/2019 39 42 Hacking

7/27

They write programs tocheck the integrity ofother programs.

when a hacker creates a

program that canautomatically check thesecurity structure

They always doconstructive work.

Crackers rarely writetheir own programs.Instead, they beg,borrow, or steal tools

from others. They use these tools

not to improve Internetsecurity, but to subvertit.

Cracker creates nothingbut destroy much.

8/3/2019 39 42 Hacking

8/27

SUN

UNIX

MICROSOFT

8/3/2019 39 42 Hacking

9/27

It is fairly common to see crackers using either

SolarisX86 or SCO as a platform.

This is because even though these products are

license ware, they can easily be obtained.

8/3/2019 39 42 Hacking

10/27

UNIX platforms are popular because they

generally require a low overhead.

we can run Linux or FreeBSD on a paltry 386

and gain good performance.

This is reasonable.

8/3/2019 39 42 Hacking

11/27

The Microsoft platform supports many

security tools that can be used to attack

remote machine.

It has advanced tools for networking as well.

8/3/2019 39 42 Hacking

12/27

Just for fun

Show off

Hack other systems secretly Notify many people their thought

Steal important information

Destroy enemys computer network duringthe war

Profit--Someone pays a cracker to bring you

down or to get your proprietary data.

8/3/2019 39 42 Hacking

13/27

Access to computer should be unlimited and

free.

All information should be free.

Hackers should be judged by their hacking,

not bogus criteria such as degrees, age, race,

or position.

You can create art and beauty on a computer.

Computers can change your life for the better.

8/3/2019 39 42 Hacking

14/27

There are many types of hacking like

PASSWORD HACKING SOFTWARE HACKING

NET HACKING

8/3/2019 39 42 Hacking

15/27

TWO TYPES

1. BRUTE FORCE

In that case hacker try out all the combination of

all keyboard letters . It has grater success but ittakes long time.

2. DICTIONARY BASED

In that they are use predefine password .it is

unsuccessful method.

8/3/2019 39 42 Hacking

16/27

In that hacker changes the look & excution

way of that software.

Change the demo version into full version by

decode the source code.

8/3/2019 39 42 Hacking

17/27

IP Address is the address of your computer in

the internet.

It is UNIQ

LIKE 192.168.23.45

8/3/2019 39 42 Hacking

18/27

It is not physical port but it is logical port in your computer.

It is just like hole into the system . Through hacker can enterin to system.

There are thousands of port into computer.

The particular service is running on particular port. LIKE

Port 21: FTP

Port 23: Telnet (Default)

Port 25: MailPort 70: Gopher

Port 80: HTTP

8/3/2019 39 42 Hacking

19/27

THERE ARE MANY TOOLS ARE AVILABLE

SCANNERS

TELNET FTP

LAN WATCH

8/3/2019 39 42 Hacking

20/27

It is not a photo scanner but it is a program thatautomatically detects security weaknesses in aremote or local host.

Port scanner are use in hacking.

It can give the whole list of open port on that systemand which service is running on that.

It can use almost all OS.

EX. SATAN,NMAP

8/3/2019 39 42 Hacking

21/27

TELNET IS ALTIMATE HACKING TOOL

IT IS TERMINAL EMULATION PROGRAM THAT

ALLOW US TO CONNECT TO REMOTE SYSTEM

YOU HAVE TO FOLLOW THIS STEP TO USE

TELNET

COMMAND:

C:\WINDOWS\TELNET [IP ADDRESS] PORT

8/3/2019 39 42 Hacking

22/27

FTP IS ONE TYPE OF PROTOCOL BUT SOME TIME IT IS

USE AS HACKING TOOL

PORT 21 FOR THE FTP

FOR CONNECTING FTP WE NEED SOME FTP S/WKNOWN AS FTP CLIENT

FOR CONNECTING FTP SERVER YOU HAVE TO

HAMMERING THAT SERVER COMMAND:

C:\WINDOWS\FTP [IP ADDRESS]:PORT

8/3/2019 39 42 Hacking

23/27

LAN WATCH IS A SOFTWARE WHICH NOT

ATTACK AND NOT DAMAGE REMOTE

NETWORK

BUT IT KEEP WATCH ON THE REMOTE

NETWORK & GIVE ALL THE INFORMATION

WHAT IS GOING ON THAT NETWORK

8/3/2019 39 42 Hacking

24/27

THERE ARE MANY TYPES OF ATTACKS

SPOOFING ATTACK

TELNET BASED ATTACK

DOS (Daniel of service) ATTACK PING OF DEATH

DISTRIBUTED DOS ATTACK

MAILBOMBS

8/3/2019 39 42 Hacking

25/27

SOME EXELLENT SOFTWARE CAN PROVIDE

YOU BEST SECURITY

LIKE

TROJAN

FIREWALL

8/3/2019 39 42 Hacking

26/27

WINDOWS TROJANS ARE SMALL ASPECT OF

WINDOWS SECURUTY

TROJAN IS UNOTHORIZED PROGRAM

CONTAINED WITHIN A LEGIMATE PROGRAM

THIS PROGRAM PERFORMS FUNCTION

UNKNOWN BY USER

8/3/2019 39 42 Hacking

27/27

FIREWALL IS ANY DEVICE USED TO PREVENT

OUTSIDERS FROM GAINING ACCESS TO YOUR

NETWORK

TYPES OF FIREWALLS

PACKET FILTER

APPLICATION PROXY

PACKET INSPECTION