Now it’s back and more dangerous than ever.
Some of the changes target business hardware, including LG Supersign TVs and WePresent WiPG-1000 wireless presentation systems.
Mirai can be even more potent if it can take over business hardware and commandeer business networks.
This variant of Miria continues to attack consumer routers, cameras, and other internet-connected devices.
For destructive purposes, the more devices infected, the better.
It targeted routers, DVR systems, IP Cameras and more.
The botnet took over a massive number of devices.
Mirai took over nearly 500,000 devices.
This will bring the victim’s website or service to a crawl or force it off the internet entirely.
The original creators of the Marai botnet software werearrested, pleaded guilty, and given terms of probation.
For a time, Mirai was shut down.
Now there’s another variant of Mirai out there.
Related:What Is a Botnet?
It also tries to use known default login credentials to work into the rig and take it over.
So your three best lines of protection are straight forward.
Botnets like this thrive on unpatched devices, and this Mirai variant is no different.
The exploits targetting the business hardware were identified last September and in 2017.
Related:What is Firmware or Microcode, and How Can I Update My Hardware?
Change your devices' administrator credentials (username and password) as soon as possible.
For other devices you sign into with their default username or passwords, consult the gadget’s manual.
Be sure to change the default credentials whenever you set up a new machine.
If you already set up devices and neglected to change the password, do that now.
This new variant of Mirai targets new combinations of default usernames and passwords.
The best way to check is to start at your manufacturer’s website.
Find the support page for your equipment and look for any notices regarding firmware updates.
Check when the last one was released.
If it’s been years since a firmware update, the manufacturer probably isn’t supporting the unit anymore.
you might find instructions to change the administration credentials on the rig manufacturer’s support website, too.
You don’t want to leave something permanently vulnerable connected to your connection.
Replacing your devices may seem drastic, but if they’re vulnerable, it’s your best option.
Botnets like Mirai aren’t going away.
You have to protect your devices.
And, by protecting your own devices, you’ll be protecting the rest of the internet.
