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Cyper security & Ethical hacking
- 1. Cyper Security & Ethical Hacking
- 2. Penetrate Testing Password Security
- 3. Vulnerability is some flaw in our environment that a malicious attacker could use to cause damage in your organization. Vulnerabilities could exist in numerous areas in our environments, including our system design, business operations, installed softwares, and network configurations.
- 4. •Input validation errors, such as: • Format string attacks • SQL injection • E-mail injection • Directory traversal • Cross-site scripting in web applications •Race conditions, such as: • Time-of-check-to-time-of-use bugs • Sym link races •Privilege-confusion bugs, such as: • Cross-site request forgery in web applications • Click jacking • FTP bounce attack
- 5. In 1988 a "worm program" written by a college student shut down about 10 percent of computers connected to the Internet. This was the beginning of the era of cyber attacks. Today we have about 10,000 incidents of cyber attacks which are reported and the number grows. Computer Crime – The Beginning
- 6. In February, Kevin Mitnick is arrested for a second time. He is charged with stealing 20,000 credit card numbers. He eventually spends four years in jail and on his release his parole conditions demand that he avoid contact with computers and mobile phones. On November 15, Christopher Pile becomes the first person to be jailed for writing and distributing a computer virus. Mr Pile, who called himself the Black Baron, was sentenced to 18 months in jail. The US General Accounting Office reveals that US Defense Department computers sustained 250,000 attacks in 1995. Computer Crime - 1995
- 7. Some of the sites which have been compromised U.S. Department of Commerce NASA CIA Greenpeace Motorola UNICEF Church of Christ … Some sites which have been rendered ineffective Yahoo Microsoft Amazon … Why Security?
- 8. Hackers White hat : Black hat Grey hat A white hat hackers breaks security for non-malicious reasons, perhaps to test their own security system or while working for a security company which makes security software. The term "white hat" in Internet slang refers to an ethical hacker. A "black hat" hacker is a hacker who "violates computer security for little reason beyond maliciousness or for personal gain" A grey hat hacker is a combination of a black hat and a white hat hacker.
- 9. Scanning Gaining Access Maintaining Access Covering Tracks Clearing Logs Placing Backdoor Hackers Steps
- 10. Types of hacking Normal data transfer Interruption Interception Modification Fabrication
- 11. How to translate the hackers’ language (2) Ex) 1 d1d n0t h4ck th1s p4g3, 1t w4s l1k3 th1s wh3n 1 h4ck3d 1n I did not hack this page, it was like this when I hacked in
- 12. Reverse Engineering Integrated Circuit’s Binary Software’s Source Code Reverse engineering, also called back engineering, is the process of extracting knowledge or design information from anything man-made
- 13. An exploit (using something to one’s own knowledge) is a piece of software, a chunk of data, or a sequence of commands that takes advantage of a bug, glitch or vulnerability in order to cause unintended or unanticipated behavior to occur on computer software, hardware, or something electronic What is Exploit :
- 14. Exploit Writing dSploit is a penetration testing suite developed for the Android operating system
- 15. Password hashed and stored Salt added to randomize password & stored on system Password attacks launched to crack encrypted password Password Security Hash Function Hashed Password Salt Compare Password Client Password Server Stored Password Hashed Password Allow/Deny Access
- 16. Spam Phishing Virus Key Loggers(Hardware , Software) Password
- 17. I. Mail.Anonymizer.name II. FakEmailer.net III. FakEmailer.info IV. Deadfake.com Email Servers
- 18. Example PHP Coding For Mail Phishing
- 19. SQL Injection SQL injection takes advantage of the syntax of SQL to inject commands that can read or modify a database, or compromise the meaning of the original query.
- 20. SELECT UserList.Username FROM UserList WHERE UserList.Username = 'Username' AND UserList.Password = 'Password' SELECT UserList.Username FROM UserList WHERE UserList.Username = 'Username' AND UserList.Password = 'Password' AND ‘1’ = ‘1’ Example SQL Code: Injected Code:
- 21. Wireless Hacking Wireless hacking is made by the Getting the control the Wireless Networks.Wireless Hacking is made by the Password attacks,Modem dialing via proxy servers
- 22. • Wired Equivalent Privacy (WEP) • Wi-Fi Protected Access (WPA/WPA2) Wireless Security Standards
- 24. • Netstumbler • inSSIDer • Kismet • Wireshark • Analysers of AirMagnet • Airopeek • KisMac Wireless Hacking Softwares
- 25. Definition: Attacker spoofs the address of another machine and inserts itself between the attacked machine and the spoofed machine to intercept replies IP Spoofing – Source Routing Replies sent back to 10.10.20.30 Spoofed Address 10.10.20.30 Attacker 10.10.50.50 John 10.10.5.5 From Address: 10.10.20.30 To Address: 10.10.5.5 • The path a packet may change can vary over time • To ensure that he stays in the loop the attacker uses source routing to ensure that the packet passes through certain nodes on the network Attacker intercepts packets as they go to 10.10.20.30 Server Hacking
- 26. Definition: Attack through which a person can render a system unusable or significantly slow down the system for legitimate users by overloading the system so that no one else can use it. Types: 1. Crashing the system or network – Send the victim data or packets which will cause system to crash or reboot. 2. Exhausting the resources by flooding the system or network with information – Since all resources are exhausted others are denied access to the resources 3. Distributed DOS attacks are coordinated denial of service attacks involving several people and/or machines to launch attacks Denial of Service (DOS) Attack
- 27. Types: 1. Ping of Death 2. SSPing 3. Land 4. Smurf 5. SYN Flood 6. CPU Hog 7. Win Nuke 8. RPC Locator 9. Jolt2 10. Bubonic 11. Microsoft Incomplete TCP/IP Packet Vulnerability 12. HP Openview Node Manager SNMP DOS Vulneability 13. Netscreen Firewall DOS Vulnerability 14. Checkpoint Firewall DOS Vulnerability Denial of Service (DOS) Attack
- 28. Threats A threat is an agent that may want to or definitely can result in harm to the target organization. Threats include organized crime, spyware, malware, adware companies, and disgruntled internal employees who start attacking their employer. Worms and viruses also characterize a threat as they could possibly cause harm in your organization even without a human directing them to do so by infecting machines and causing damage automatically. Threats are usually referred to as “attackers” or “bad guys”.
- 29. Virus
- 31. Worms So big Autorun.inf Photos.exe ILOVEYOU Bootstrap.com Windows.exe
- 32. •Netbus Advance System Care(by Carl-Fredrik Neikter) •Subseven or Sub7(by Mobman) •Back Orifice (Sir Dystic) •Beast •Zeus •Flashback Trojan (Trojan BackDoor.Flashback) •ZeroAccess •Koobface •Vundo Trojans
- 33. • Chat • Email Attachments • Website Downloads • Physical Drives • Network Shares Trojan Attacks
- 34. Attacker can monitor the session periodically inject commands into session launch passive and active attacks from the session Session Hijacking Bob telnets to Server Bob authenticates to Server Bob Attacker Server Die! Hi! I am Bob
- 38. Firewall & Honey bots
- 39. Steganography