Contents• Introduction to hacking• Types of hackers• Classification of hackers• Steps performed by a hacker• IP address ranges• Tracing of IP address• Email Protocol• Proxy Servers• Security• Conclusion
Introduction to HackingHacking: An art as well as a skill depending on a person’s knowledge and skill. Hacking Positive Negative Ethical Hacking: Penetration testing focusing on securing and protecting IT systems.
Types of Hackers • White Hat Hacker • Black Hat Hacker • Grey Hat Hacker
White Hat Hacker• Perform Ethical Hacking• Have knowledge of hacking and hacker toolset• Locate security weaknesses and implement countermeasures• Also known as Penetration Tester• Focus on securing and protecting IT systems
Black Hat Hacker• Perform unethical hacking• Are criminal hackers or crackers• Use their skills for illegal or malicious purposes• Focus on Security Cracking and Data Stealing
Grey Hat Hacker• Sometimes acts legally and sometimes not• Do not hack for personal gain• Do not have malicious intentions• May occasionally commit crimes• Are hybrid between White Hat and Black Hat Hackers
Classification of hackers • Have ability to find unique vulnerabilityCoders • Have deep understanding of OSI Layer Model and TCP/IP Stacks • Have experience with osAdmin • Exploit existing vulnerabilities Script • Use scripts and programs developed by othersKiddies • Can cause serious problems
Steps Performed by a Hacker Reconnais sance Clearing Scanning tracks Maintaining Gaining access access
Reconnaissance• Google• Samspade• Email tracker and visual route Scanning• War dialing and pingers• Port scanning• Enumeration
Password Cracking• Dictionary Cracking• Brute Force Cracking• Hybrid Cracking• Social Engineering• Metasploit• Man in the middle attack
IP ADDRESS RANGESclasses rangesClass-a 0000.0.0.0 to 127.255.255.255Class-b 220.127.116.11 to 18.104.22.168Class-c 192.0.0.0 to 22.214.171.124Class-d 126.96.36.199 to 188.8.131.52Class-e 240.0.0.0 to 255.255.255
TRACING OF IP ADDRESS Click on email msg. Show original Copy the header from written path. Open www. What is my ip address.com Click on Trace email Paste it to the header section Click on getsoures. get IP address and location .
SECURITY THREATS• Denial of service• Interception• Manipulation• Masquerading• Repudiation
Proxy Server • Intermediary between a workstation user and the internet • Hackers use the proxy server on the internet to make their identity invisible to the target. LAN PC 2nd PCInternet Proxy Server Router/Switch Wireless connection
Types of proxies: ProxyTransparent Anonymous Elite Simple Distorting
SECURITY• Confidentiality• Integrity• Availability• Use antivirus.• Proper logout after use of email id.• Don’t open spam.• Password protected admin account.
CONCLUSION• “To catch a thief think like a thief similarly To catch a hacker think like a hacker”.