Objectives of Hacking and Cracking What is Hacking? Difference between Hacking and cracking Types of Hackers Types of Hacking Techniques Preventive measures Some Cracking Examples
HACKING Authorized or Unauthorized attempts to bypass the security mechanisms of an information systems or network In simple words Hacking means finding out weaknesses in a computer or computer network
Why do people hack ? Just for fun Hack other systems secretly Notify many people their thought Steal important information Destroy enemy’s computer network
Literal Definitions Hacker : Someone who uses hacks. Cracker : some one who destructs things. Hacks : A different approach with some significant advantage over the current approach
Pretexting: Pretexting is the act of creating and using an invented scenario to persuade a target to release information (e.g. date of birth, Social Security Number, last bill amt.) Phishing: Phishing is an e-mail fraud method in which the perpetrator sends out email in an attempt to gather personal and financial information from recipients. Phishers attempt to fraudulently acquire sensitive information, such as usernames, passwords and credit card details .Ebay and PayPal are two of the most targeted companies, and online banks are also common targets
Language of hackers1 -> i or l || -> n3 -> e |/| -> m4 -> a s -> z7 -> t z -> s9 -> g f -> ph0 -> o$ -> s ph -> f| -> i or l x -> ck ck -> x
Example:1 d1d n0t h4ck th1s p4g3, 1t w4s l1k3 th1swh3|| 1 h4ck3d 1nI did not hack this page, it was like thiswhen I hacked in.
World famous hackers Stephen Wozniac Tsutomu Shimomura
Preventive measures Install a strong anti-virus Always run a anti-virus check before you download a program or a file from the internet. Avoid disclosing personal details like phone number, credit card details to strangers. A good firewall (Sygate personal) A good spy ware / Trojan buster. Use of genuine software
How to become HackerThe best approach is to gain as muchknowledge about stuff as you can.Good command over C / C++ / Perl willdefinitely help.But above all you need a good logicalbrain.
Some Examples of CrackingWindows Cracking 1).BIOS Password Breaking 2).Windows LogonPassword Breaking
Bios password breakingWe can break BIOS password in any one of the following ways:Trying default passwordHardware approach
Trying default passwords some default BIOS passwords Lkwpeter AMI cmos j262 Award AMI!SW1 AWARD_SW bios AMI? SW1 AWARD_PW BIOS password Biostar setup hewittrand„j262‟ opens most version of Award bios; it works about 80 per cent of the time
Hardware approach If the default passwords did not work, then try to reset the Bios to its default settings so that it asks for no password at all. Procedure for hardware approach is as follows First, we have to open the computer and then look for a round lithium battery, it probably looks like a silver coin. So, remove the battery and after 30 seconds or so put it back.
Window log on password breaking To hack windows login password, reboot and wait for the message: When we see the boot menu on the screen, press F2 or F12 before “Starting Windows 9x…” . The boot menu will come up. Select option to boot into DOS . C:>cd windows C:windows>ren *.pwl *.xyz // RENAME Or delete them by typing C:windows>del *.pwl *.xyz //DELETE
Easy and Simple approach On many computers a series of keystrokes may crash the password program. keep pressing ESC 15 to 20 times . This will result in the crashing of the password program and the computer will continue booting .BY BOOTING We can break into a computer by using live tools like conboot live cd which are readly available on internet .The live cd can be used to make a bootable pen drive and then we can break into any computer.