Why Botnet Detection And Removal Is So Important

The widespread use of internet connection today has given birth to a new threat for the service providers and also to the subscribers they actually serve. Botnet is now a big platform to launch attacks and commit fraud. A proper understanding and knowledge of Botnets will definitely help in coordinating and developing innovative technologies to fight against this severe security threat. Today botnets are one of the most common security problems faced by organizations. Botnet detection and removal is difficult, but with right use of techniques it can be stopped. The adaptive and dynamic capabilities of botnets allow them to simply circumvent the traditional means for mitigation and detection.

What is Botnet?

Botnet is a kind of malware which hides in the computer system and transfers large levels of pings to a particular server. The botnet purpose is just to DDoS a system server to build a site inaccessible, and some botnet is used for sending spam emails. It doesn't harm the host PC, but consumes a huge bandwidth amount. There are different botnets which are:

Cutwail Conficker Bredolab Zeus Mariposa

If the internet speed is slow, then you should scan your PC for botnet. According to the studies it has been proved that computers connected with net can get botnet. Due to the failure of signature and port based technologies; the providers are forced for adopting new approaches for addressing the growing threat.

Botnets Exposed

A proper knowledge of how actually botnets operate is important to formulate and deliver effective protection to the providers and the subscribers. Botnets start when a botmaster begins downloading of a bot program, as well as exploit code. Bot programs like IRC bot, SG bot and Ago bot are available easily on the net. Mainly exploits for the MS windows OS are selected. By plugging the code in the bot software, botmaster builds a weapon that can infect and control several systems and majority will be belonging to the residential subscribers. After the selection and combination of exploit and bot, the botmaster sets up control planes. The common technique involves the use of IRC servers for controlling the botnet, but other options are also available. Control plane is moved often for avoiding detection. Using the selected exploit code, the botmaster takes control on computer systems and once the big army is built, the botmaster starts attacks. Botnet detection and removal is not so easy because they are dynamic and even ever evolving threat.

Botnet Detection

By now there are different ways of detecting botnets have been attempted and they are given below:

Honey pot and net Detection based on IRC Traffic analysis detection Anomaly activities DNS tacking

Botnets are effective tools for attack. Intelligent techniques which are based on the behavioral analysis provide effective means for botnet detection and removal. By detecting different activities, there are chances to identify the bots and apply policies to remove the spread of this infection. In this way, service providers can remove damaging and spam sources of DOS attacks.

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