At about of Botnet

BotNet, also called network zombie and botnet is a group of computers that are used to send data such as spam and viruses to other computers on the internet quietly. These actions are carried out by malware without the knowledge of users. These malicious programs consist mainly of viruses, Trojan horses and to. Infected computers are called robots or zombies. Most infected computers are personal internet PC at home that is not adequately protected.

When a PC becomes part of a BotNet, it can be applied almost nothing can be done by the creator of the botnet. Indeed, it becomes a drone that cannot withstand the commands of his master. In this case, the master is the creator of malicious software (malware). Most robots are employed in spreading spam and viruses. Often malware is used for logging keys which can cause mass spoofing. Zombie computers can also be used for denial of service in which many robots simultaneously connect on a particular server, thus exceeding the bandwidth of the server and it crashes.This technique is particularly effective when the Botnet is large and contains thousands of computers .beaucoup advanced malware can same spread via email while malware of small robots do not have this feature.

Robots are programmed in such a way that they are difficult to find and analyze.Normally, they receive instructions from their creators via IRC (Internet Relay channels) .Since April 2008, the Storm BotNet and the Kraken BotNet are larger robots in the world with an estimated 400,000 robots.Other important bots are Rbot and Bobax with an estimated 20,000 robots each.

Thus one day basic, the best way to protect your computer properly is to analyze and update your antivirus and firewall software fréquemment.Les called special sensors 'honeynets' were also created on the internet that these nets mimic the characteristics of computers with security holes in an effort to lure attackers to them and to track down the creators of software malveillants.Il was recently cited by Kaspersky Labs (creators of Kaspersky Anti-virus) robots are more a threat to the internet community as viruses and to.