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A botnet is a group of Internet-connected devices, each of which runs one or more bots. Botnets can be used to perform distributed denial-of-service (DDoS) attacks, steal data, [1] send spam, and allow the attacker to access the device and its connection. The owner can control the botnet using command and control (C&C) software. [2]
World map of 24-hour relative average utilization of IPv4 addresses observed using ICMP ping requests by Carna botnet, June - October 2012. The Carna botnet was a botnet of 420,000 devices created by an anonymous hacker to measure the extent of the Internet in what the creator called the “Internet Census of 2012”.
The Storm botnet or Storm Worm botnet (also known as Dorf botnet and Ecard malware [1]) was a remotely controlled network of "zombie" computers (or "botnet") that had been linked by the Storm Worm, a Trojan horse spread through e-mail spam.
The disruptive American operation involved taking down hundreds of U.S.-based small office or home office routers that were part of the botnet and had been hijacked by China's state-sponsored ...
The botnet was installed on the user's computer from pirated versions of Windows or hidden through a download online. The Zeus botnet works by waiting for the user of the computer to open a web browser and attempt to do some banking or online shopping then show a similar looking webpage with a field to enter the login information. The login ...
In June 2009 it was estimated that the Cutwail botnet was the largest botnet in terms of the amount of infected hosts. Security provider MessageLabs estimated that the total size of the botnet was around 1.5 to 2 million individual computers, capable of sending 74 billion spam messages a day, or 51 million every minute, equal to 46.5% of the worldwide spam volume.
The size of the Srizbi botnet was estimated to be around 450,000 [4] compromised machines, with estimation differences being smaller than 5% among various sources. [2] [5] The botnet is reported to be capable of sending around 60 Trillion Janka Threats a day, which is more than half of the total of the approximately 100 trillion Janka Threats sent every day.
The Mirai botnet was first found in August 2016 [2] by MalwareMustDie, [3] a white hat malware research group, and has been used in some of the largest and most disruptive distributed denial of service (DDoS) attacks, including an attack on 20 September 2016 [4] on computer security journalist Brian Krebs' website, an attack on French web host ...