Hacking its types and the art of exploitation
- 1. HACKING The Art Of Exploitation
- 2. What is Hacking Hacking refers to the activities which are done to intrude someone else’s personal information so as to use it for malicious,unwanted purpose OR Hacking is a term which refer to the activities aimed to exploiting security amind to exploiting security flaws to obtain personal information for gaining access to secured network
- 3. Overview of Hacking ● Hack ➔ The rapid crafting of a new program or the making of changes to existing,usually complicated software ● Hacker ➔ The Person who hacks ● Cracker ➔ System destroyer
- 4. Contents ● Who is hacker ● History of Hacking ● Types of Hacking ● Hacking accidents ● Why do hacker hack ? ● What hacker do after hacking ? ● What do hacker know ?
- 5. Who is hacker ? ● Hack ○ Cut with repeated irregular blows ○ Examine something very minutely ● Hacker ○ The person who hacks ● Cracker ○ System intruder/destroyer ● Hacker means cracker now days ○ Meaning has been changed
- 6. What is Hacker A Hacker is someone who likes to tinker with electronics computer system.Hacker like to explore and learn how computer system work,finding ways to make them do what they do better,or do things they weren’t intended to do Hcakers
- 7. History of Hacking ● 1960-1970 ○ Good hack especially clever program code ● 1970-1990 ○ Breaking in to computer became very easy ● 1990-present ○ www.developed & internet grow exponentially ○ Hacking can be writing a program for enjoyment ○ Hacking can also be done to perform reverse engineering of software where source code is lost
- 8. Types of Hacking Interruption Interception Modification Fabrication
- 9. Hacking Accidents ● Internet Worm ○ Robert T.Morris made an internet worm.It spread through the internet and crashed about 6000 system ● IP Spoof ○ Kevin Mitnick was caught by TSutomu Shimomura who was security expert.Kelvin uses the IP Spoof attack in this accident ○ Internet Worm ● Cuckoo’s Egg ○ Clifford stoll caught the hacker who are the German hacker applied by KGB
- 10. Why do Hacker Hack? ● Just for fun ● Show off ● Hack other system secretly ● Notify many people their thought ● Steal important information ● Destroy enemy's computer network during the war
- 11. What do the Hacker do after hacking ● Patch security hole ○ The other hacker can’t intrude ● Clear logs and hide themselves ● Install rootkit(backdoor) ○ The hacker who hacked the system can use the system later ○ It consist trojan ls,ps and so on ● Install irc related program ○ identd ,irc,bitchx.eggdrop.bnc ● Install exploit porgram ● Install denial of service program ● Use all installed programs silently
- 12. What do Hacker Know ● Know how to intrude the system ● Know to crash the system ● Know where the hacking program are
- 13. How can protect the system ? ● Patch security hole often ● Encrypted important data ○ Ex:- pgp.ssh ● Do not run unused daemon Remove unused demon ● Remove unused setuid/setuid program ● Setup loghost ● Use switch hub ● Setup firewall ○ Ex ipchains ● Setup IDS ○ Ex:- snort
- 14. How can protect the system ? ● Backup the system often
- 15. What should do after hacked ● Shutdown the system ● Separate the system from network ● Restore the system with the backup ● Connect the system to the network ● It can be good to call the police
- 16. Thank You If you have any question please don't feel hesitate to ask! Shubham Choudhary