A bot herder can cause zombie computers to send emails, files, messages, and other types of data. Send data: Many botnets are used in mass-email campaigns, such as spam botnets that blast out spam emails. Spy on victims: With system-level access, the bot herder can see what anyone using the zombie computer is doing. Read/write system data: A hacker can not only read the system-level data on a zombie computer, but alter it and write new data as well.Ĭollect personal data: The bot herder can sift through the files on the zombie computer and harvest sensitive personal data, including passwords and financial information. Here’s what a bot herder in control of a botnet can do with a zombie computer: They can use this access to pilfer data from the computer, monitor it while in use, or control its actions.
The three stages of botnet creation and use: infection, expansion, attack.Īfter infecting a computer or other device, a hacker obtains admin-level access to its operating system (OS) and files. This technique is especially powerful when the bot herder uses a zero-day vulnerability that can’t yet be countered.Īctivate the botnet: When the new botnet has reached a sufficient size, the bot herder can use the combined power of all the infected devices for anything from devastating DDoS attacks to cryptomining. Some botnet malware can automatically spread itself by scanning networks for vulnerable devices and infecting them when found. Grow the botnet: Zombie computers in the botnet can be used by the bot herder to infect additional devices. The hacker may infect victims via Trojan malware (which disguises itself as something harmless), by infecting websites with malvertising ads that can attack visitors, by exploiting security vulnerabilities, or with phishing attacks that trick victims into installing the malware.
BOTNETS AS A DDOS ATTACK TOOL DOWNLOAD
The botnet download and installation is often accomplished via malware or with social engineering tricks. Infect victims: The bot herder must get their botnet malware onto the computers of their victims. To create and use a botnet, a hacker needs to complete a three-stage attack: infecting victims’ devices, growing the botnet, and finally, activating the botnet. Almost any internet-connected device can form part of a botnet, from computers and routers to smart IoT (Internet of Things) devices like TVs and thermostats - the 2016 Mirai botnet predominantly affected IoT devices. How do botnets work?Įvery device in a botnet is linked through the internet to the bot herder, who controls all the computers and uses them to commit a wide range of cybercrimes. Some botnets include hundreds or even thousands of computers, making them one of the biggest online threats today. The meaning of botnet is “ro bot network,” and the computers in a botnet are known as bots or zombie computers.
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