trojen.docx - INFORMATION AND NETWORK SECURITY LAB PROJECT...

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INFORMATION AND NETWORK SECURITY LAB PROJECT REPORT On Trojan Horse Submitted to: Er. Meenakshi Mittal. School of Engineering and Technology . Submitted by: Manpreet kaur 15mtcsnt13 M.tech(CST)
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Introduction to Trojan horse A Trojan horse is a program that appears to have some useful or benign purpose, but really masks some hidden malicious functionality. A Trojan horse or Trojan is a type of malware that is often disguised as legitimate software. Trojans can be employed by cyber-thieves and hackers trying to gain access to users' systems. Users are typically tricked by some form of social engineering into loading and executing Trojans on their systems. Once activated, Trojans can enable cyber- criminals to spy on you, steal your sensitive data, and gain backdoor access to your system. These actions can include: Deleting data Blocking data Modifying data Copying data Disrupting the performance of computers or computer networks Types of Trojan horse: 1. The Remote Administration Trojan Horse Virus This type of Trojan horse virus gives hacker behind the malware the possibility to gain control over the infected system. Often the remote administration Trojan horse virus functions without being identified. It can help the hacker to perform different functions including altering the registry, uploading or downloading of files, interrupting different types of communications between the infected computer and other machines. 2. The File Serving Trojan Horse Virus Trojan horse viruses from this category are able to create a file server on the infected machine. Usually this server is configured as an FTP server and with its help the intruder will be able to control network connections, upload and download various files. These Trojan horse viruses are rather small in size, sometimes not more than 10Kb, which makes it difficult to detect them. They are often attached to emails or hidden in other files that users may download from the Internet. Regularly these Trojan viruses spread with the help of funny forwarded messages that a user receives from friends. Trojan horse viruses may also be hidden in small downloadable games. 3. Distributed Denial of Service Attack Trojan Horse Virus A lot of computers can be tricked intro installing the Distributed Denial of Service Trojan so that the hacker can gain control over one, several or all computers through a client that is connected with a master server. Using the primary computer within one huge zombie network of machines,
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hackers are able to sent attacks at particular targets, including companies and websites. They
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