Last updated on April 19, 2022
What is a botnet?
A botnet is a network of infected computers that are controlled by a malicious actor. The computers in a botnet are known as bots and are often used to carry out cyberattacks, such as distributed denial of service (DDoS) attacks, spamming, and click fraud.
How do botnets work?
Botnets work by infecting computers with malware that allows the attacker to take control of the machine. The attacker then uses the bot to carry out malicious activities, such as launching DDoS attacks or sending spam emails. The botnet can be controlled using a variety of methods, including IRC, HTTP, and DNS.
How do botnets spread?
Botnets spread by infecting computers with malware. The malware can be spread through a variety of methods, including email attachments, malicious websites, and infected files. Once a computer is infected, the attacker can take control of the machine and add it to the botnet.
What are the different types of botnets?
There are a variety of different types of botnets, including IRC botnets, HTTP botnets, and DNS botnets. Each type of botnet has its own method of control and is used for different purposes.
- IRC botnet: A network of infected computers that are controlled using the Internet Relay Chat (IRC) protocol. IRC botnets are often used to launch DDoS attacks and send spam emails.
- HTTP botnet: A network of infected computers that are controlled using the Hypertext Transfer Protocol (HTTP). HTTP botnets are often used to launch DDoS attacks and click fraud.
- DNS botnet: A network of infected computers that are controlled using the Domain Name System (DNS). DNS botnets are often used to launch DDoS attacks.
What are the different types of botnet attacks?
There are a variety of different types of botnet attacks, including DDoS attacks, spamming, and click fraud.
- DDoS attack: A type of attack that is designed to take down a website or server by flooding it with traffic from infected computers. DDoS attacks are often launched by botnets.
- Spamming: An act of sending unsolicited emails, often for commercial purposes. Botnets are often used to send spam emails.
- Click fraud: A type of fraud that is committed by clicking on ads with the intention of generating revenue for the attacker. Botnets are often used to commit click fraud.
Impacts of Botnet
Cybercriminals try to control and infect thousands, even millions of computers. They try to act as the master of this bot network or “zombie network” that can deliver a DDoS attack “Distributed Denial of Service”, spam campaign, and other types of attacks. In numerous cases, the cybercriminals establish a vast network of computer/zombie machines and sell access to the zombie networks to various other criminals. Spammers can take this network on rent or become a part of a spam campaign. A botnet can be legal because a computer can be a part of legal networking for distributed computing and research studies.
Tips to Prevent Botnet
If you want to protect your computer against Trojans and various other threats, you should install reliable anti-malware software on the computer. Keep this software up-to-date and stay away from malicious websites.