TROJAN HORSE BY- NIKHIL CHABUKSWAR TE C 33506 Bansilal Ramnath Agarwal Charitable Trusts Vishwakarma Institute of Information Technology Pune 411048. Department of Computer Eng.

CONTENTS What is Trojan ? Tasks Of Trojan How Trojan Work Attaching a Trojan storage Locations And Various Trojans Algorithm How can you be infected Aim of attacker Trojan Examples Preventive measure

WHAT IS TROJAN ?

HOW DO TROJAN WORKS ? Nothing But a Server Client Program Uses TCP/IP protocol as well as UDP protocol It is only be send to the target system by user interaction only.

TASKS OF THE TROJAN erasing or overwriting data on a computer corrupting files in a subtle way spreading other malware, such as viruses. In this case the Trojan horse is called a 'dropper'. To launch DDoS attacks or send Spam. logging keystrokes to steal information such as passwords and credit card numbers (known as a key logger) phish for bank or other account details, which can be used for criminal activities. Shutting down the windows and rebooting of windows etc.

HOW TO ATTACH THE TROJAN? Without Changing the File size Generally Attached with game or email

WHERE THEY LIVE. Autostart Folder The Autostart folder is located in C:WindowsStart MenuProgramsstartup and as its name suggests, automatically starts everything placed there. Win.ini Windows system file using load=Trojan.exe and run=Trojan.exe to execute the Trojan

ALGORITHM Trojan horse attack, used a quantum cryptographic key algorithm with EPR pairs. With Quantum cryptography we can create a communication chancel where it is impossible to eavesdrop without disturbing the transmission.

TROJAN VARIATIONS Remote Access Trojans Password Sending Trojans Denial Of Service (DoS) Attack Trojans Keyloggers

HOW CAN YOU BE INFECTED Via Email (Attachments) Physical Access Visiting Untrusted websites Peer to peer download system Installing the untrusted software's.

WHAT IS ATTACKER LOOKING FOR ? Credit Card Information (often used for domain registration, shopping with your credit card) Any accounting data (E-mail passwords, Dial-Up passwords, WebServices passwords, etc.) Email Addresses (Might be used for spamming, as explained above) Work Projects (Steal your presentations and work related papers) Children's names/pictures, Ages (paedophile attacker?!) School work (steal your papers and publish them with his/her name on it)

SOME WELL KNOWN TROJAN NetBus Beast SubSeven BOXP

NETBUS TROJAN:-

SERVER SETUP FOR NETBUS

CONNECTION PROCESS.

CONSEQUENCES OF A TROJAN HORSE It will cause your computer to run slow All of your personal data can be stolen or corrupted. When you open a program it will continue to open programs on its own.

HOW TO PREVENT Anti-Virus (AV) Scanners Anti-Trojan Software E.g Trojan Elite, Trojan Killer. Clean Yourself Online Scanning Services

CONCLUSION In this seminar we have learned what is Trojan and all the functionality and aspects of the Trojan horse.

REFERENCES 1. Hacking tools & techniques and Incident handling, NIIT by prentice-hall INDIA(2005) 2. Denial of Service Attacks (2001). Retrieved May 20, 2004, from http://www.cert.org/tech_tips/denial_of_service.html. 3. http://www.windowsecurity.com/Trojan_horse