Internet of Things malware Mirai has led to large-scale network瘫痪

In October of this year, Dyn, a US domain name service provider, was attacked by a large-scale DDoS, resulting in a large number of well-known websites being inaccessible. In this attack, hackers used a lot of IoT devices, and the tools they used were malware Mirai. Prior to this, hackers have used Mirai to launch several cyber attacks.

Mirai is a malware developed specifically for the Internet of Things. It automatically looks for IoT devices and turns them into part of a botnet. After Dyn was attacked, IoT attacks showed an upward trend. In the past few weeks, Mirai has caused Deutsche Telekom's 900,000 subscribers to be disconnected from the Internet, infecting 2,400 TalkTalk routers in the UK. The researchers also found that Sony's 80 types of cameras may be infected with Mirai malware.

(Image courtesy of rambusblog)

In September of this year, the hacker codenamed "Anna-senpai" opened up Mirai's code. Mirai itself has nothing new, but its flexibility and adaptability are outstanding. As a result, hackers have developed different types of Mirai software to attack IoT devices.

"The reason for this increase is that the Internet of Things is a highly open and unprotected zone," Chris Carlson, vice president of products at Qualys, a network security company, told Wired. "The attack on the Internet of Things has become a new gold rush. ."

Compared to viruses on PCs, IoT malware is very invisible. It is difficult for ordinary users to find out that their IoT devices have been attacked, and even if they find out, they cannot handle them because most IoT devices lack an interactive interface.

(Image courtesy of hacker news)

Mirai is not the only Internet of Things malware, but it has become the primary tool for hackers to attack the Internet of Things. Rick Holland, vice president of strategy at Cyber ​​Security's Digital Shadows, said the researchers found that the Mirai community is growing and that the technology exchange within the community is also active.

A report released by the US ICIT (Key Infrastructure Technology Institute) pointed out that Mirai brought a renaissance of IoT attacks. “Who knows what happened before the end of the year,” Rick Holland said. “Mirai will definitely not disappear in the short term.”

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