Parent class: TrojWare

Trojans are malicious programs that perform actions which are not authorized by the user: they delete, block, modify or copy data, and they disrupt the performance of computers or computer networks. Unlike viruses and worms, the threats that fall into this category are unable to make copies of themselves or self-replicate. Trojans are classified according to the type of action they perform on an infected computer.

Class: Trojan-DDoS

This type of malicious program is designed to conduct a DoS attack from an infected computer on a pre-defined address. Essentially, a DoS attack involves sending numerous requests to the victim machine; this leads to a denial of service if the computer under attack does not have sufficient resources to process all the incoming requests. In order to conduct a successful DoS attack, malicious users often infect a number of computers with this type of Trojan in advance (for example, as part of a mass spam mailing.) As a result, all the infected computers will attack the victim machine.

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Platform: Win32

Win32 is an API on Windows NT-based operating systems (Windows XP, Windows 7, etc.) that supports execution of 32-bit applications. One of the most widespread programming platforms in the world.


Technical Details

This program attacks a remote host through a third computer (Distributed DoS-attack). The server part of this program sends itself via any method to a "victim" computer. When run on a "victim" server, the program waits to connect to the client part. The malefactor uses the client part to locate the IP address host, which he then attacks. At the malefactor's command, the server part on the "victim" computer sends an IP 60,000-byte packet to the indicated address. If the attacked computer contains a mistake in the riding-crop IP, the result crashes the system. In this way, the malefactor remains unnoticed, because it attacks a "victim" computer.

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