Miori has recently reappeared bearing a notable difference in the way it communicates with its C&C server. This Miori variant departs from the usual binary-based protocol and uses a text-based protocol to communicate with its C&C.
Read More We discovered a new variant of Mirai that uses a total of 13 different exploits, almost all of which have been used in previous Mirai-related attacks. Typical of Mirai variants, it has backdoor and distributed denial-of-service (DDoS) capabilities. However, this case stands out as the first to have used all 13 exploits together in a single campaign
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We found a new Mirai variant we’ve called Yowai and Gafgyt variant Hakai abusing a ThinkPHP flaw for propagation and DDoS attacks.
Read More We analyzed another Mirai variant called “Miori,” which is being spread through a Remote Code Execution (RCE) vulnerability in the PHP framework, ThinkPHP. Aside from Miori, several known Mirai variants like IZ1H9 and APEP were also spotted using the same RCE exploit for their arrival method. The aforementioned variants all use factory default credentials via Telnet to brute force their way in and spread to other devices.
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Recently, we found a new exploit using port 5555 after detecting two suspicious spikes in activity on July 9-10 and July 15. In this scenario, the activity involves the command line utility called Android Debug Bridge (ADB), a part of the Android SDK that handles communication between devices that also allows developers to run and debug apps on Android devices.
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