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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] The word "botnet" is a portmanteau of the words "robot" and "network". The term is usually used ...
One example of the malicious use of bots is the coordination and operation of an automated attack on networked computers, such as a denial-of-service attack by a botnet. Internet bots or web bots can also be used to commit click fraud and more recently have appeared around MMORPG games as computer game bots.
Zombie computers often coordinate together in a botnet controlled by the hacker, and are used for activities such as spreading e-mail spam and launching distributed denial-of-service attacks (DDoS attacks) against web servers. Most victims are unaware that their computers have become zombies.
Torpig, also known as Anserin or Sinowal is a type of botnet spread through systems compromised by the Mebroot rootkit by a variety of trojan horses for the purpose of collecting sensitive personal and corporate data such as bank account and credit card information.
The operation, conducted jointly by the U.S. Department of Justice and the FBI, weeded out malicious Chinese software from a network or "botnet" of hundreds of compromised U.S. routers, both ...
Tinba also injects itself into other system processes, in an attempt to convert the host machine into a zombie, an unwilling member in a botnet. In order to maintain connection in the botnet, Tinba is coded with four domains, so if one goes down or loses communication, the Trojan can look for one of the others immediately. [6]
Wray said China's hackers operated a series of botnets - constellations of compromised personal computers and servers around the globe - to conceal their malicious cyber activities.
The Kelihos botnet is a so-called peer-to-peer botnet, where individual botnet nodes are capable of acting as command-and-control servers for the entire botnet. In traditional non-peer-to-peer botnets, all the nodes receive their instructions and "work" from a limited set of servers – if these servers are removed or taken down, the botnet will no longer receive instructions and will ...