MalwareSecurity

15 infamous malware attacks: The first and the worst

Emotet first appeared in 2014, but like Zeus, is now a modular program most often used to deliver other forms of malware, with Trickster and Ryuk being two prominent examples. Emotet is so good at what it does that Arne Schoenbohm, head of the German Federal Office for Information Security, calls it the “king of malware.”

10. Mirai botnet (2016)

All the viruses and other malware we’ve been discussing so far have afflicted what we think of as “computers” — the PCs and laptops that we use for work and play. But in the 21st century, there are millions of devices with more computing power than anything that Creeper could have infected. These internet of things (IoT) devices are omnipresent, ignored, and often go unpatched for years.

The Mirai botnet was actually similar to some of the early malware we discussed because it exploited a previously unknown vulnerability and wreaked far more havoc than its creator intended. In this case, the malware found and took over IoT gadgets (mostly CCTV cameras) that hadn’t had their default passwords changed. Paras Jha, the college student who created the Mirai malware, intended to use the botnets he created for DoS attacks that would help settle scores in the obscure world of Minecraft server hosting, but instead he unleashed an attack that focused on a major DNS provider and cut off much of the US east coast from the internet for the better part of a day.

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