Instead, it lies dormant until called upon to participate in a DDoS attack. Usually, but not always, the original infecting DDoSTool does not attempt to steal data or otherwise harm the host. In the case of a DDoS attack, it can happen that tens of thousands or even millions of bots work simultaneously to send large amounts of network traffic in the direction of the target server. This zombie network of bots ( botnet) communicates with the command and control server (C&C), waiting for commands from the attacker who’s running the botnet. Attackers use what we call a DDoSTool to enslave computers and build their army. This is like having an army of zombie computers to do the attackers’ bidding. How DDoS attacks workīecause DDoS attacks require traffic to come from many sources, they are often conducted using botnets.
Sources can include traditional computers and also Internet-connected devices that have been taken over as part of a botnet. The difference between DoS and DDoS attacks is whether one computer is used in the attack, or the attack is sent from multiple sources.
Websites sometimes “crash” due to an incoming flood of legitimate traffic, like when a highly anticipated product is released, and millions of people visit the site at once trying to buy it. This has the effect of tying up all available resources to deal with these requests, and crashing the web server or distracting it enough that normal users cannot create a connection between their systems and the server. This is DDoS, or Distributed Denial of Service, which is a malicious network attack that involves hackers forcing numerous Internet-connected devices to send network communication requests to one specific service or website with the intention of overwhelming it with false traffic or requests. A huge influx of traffic all at once can tie up all the site’s resources and thereby deny access to legitimate users. This type of attack involves sending large amounts of traffic from multiple sources to a service or website, intending to overwhelm it. DDoS stands for Distributed Denial of Service.
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