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Tuesday, June 22, 2021

Silex is the malware that affects IoT devices

Thousands of devices hit in just a few hours, with the spread of malware that goes on and on: targeting the Internet of Things.

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Aakash Molpariya
Aakash started in Nov 2018 as a writer at Revyuh.com. Since joining, as writer, he is mainly responsible for Software, Science, programming, system administration and the Technology ecosystem, but due to his versatility he is used for everything possible. He writes about topics ranging from AI to hardware to games, stands in front of and behind the camera, creates creative product images and much more. He is a trained IT systems engineer and has studied computer science. By the way, he is enthusiastic about his own small projects in game development, hardware-handicraft, digital art, gaming and music. Email: aakash (at) revyuh (dot) com

A new threat endangers the devices attributable to the Internet of Things: discovered by researcher Larry Cashdollar of Akamai, it takes the name of Silex and due to its way of acting it brings to mind the BrickerBot malware operating between April and December of 2017 The experts at work to monitor the situation speak of thousands of products already affected, with the propagation destined to continue in the coming days.

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Silex, a malware for the Internet of Things

Silex eliminates everything contained in the device memory, deletes the firewall filters and removes the network configurations. Following the compromise, the only way to restore the correct functioning is the one that passes from a new manual installation of the firmware, operation for obvious reasons not within the reach of the less savvy. Some might think of a hardware problem and throw the device in the trash. Thus Cashdollar explains the operation of the malware .

Use known credentials for IoT devices, in order to authenticate and compromise the system. It does this by writing random data from / dev / random on each storage unit identified.

The origin of Silex seems to have been identified on a server located in the territory of Iran . According to Ankit Anubhav of NewSky Security, who conducted a first survey in collaboration with the editorial staff of the ZDNet site, the person in charge is a 14-year-old known under the pseudonym  Light Leafon, already author of the HITO botnet always addressed to the IoT field and recently the protagonist of the ‘ streaming interview below.

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The creator of the malware does not hide and claims to have started the project almost  as a joke, evolving it in collaboration with a colleague named Skiddy to become an initiative that now engages him full time, providing for the inclusion of additional features capable of to make it even more destructive. As long as someone does not put an end to his work.

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