Malicious code used to press-gang IoT connected devices into a botnet was leaked online over the weekend.The Mirai malware is a DDoS Trojan and targets Linux systems and, in particular, IoT devices. A botnet formed using the malware was used to blast junk traffic at the website of security researcher Brian Krebs last month in one of the largest such attacks ever recorded.The powerful zombie network that spawned a 620Gbps DDoS was created by relying on factory default or hard-coded usernames and passwords to compromise embedded devices. The availability of the Mirai source code makes it much easier for other hackers to take advantage of insecure routers, IP cameras, digital video recorders and other IoT devices to launch similar attacks.Security blogger Hacker Fantastic, who has put together an informative early analysis of the malware, summed up the feelings of several security researchers who have looked at the code. “If all it took to create biggest recorded DDoS attack in history was a telnet scanner and 36 weak credentials the net has a huge IoT problem,” he said on Twitter.

Source: Source code unleashed for junk-blasting Internet of Things botnet • The Register

Find the code here