Katana: a new variant of the Mirai botnet

From prod-blog.avira.com

Avira’s IoT research team has recently identified a new variant of the Mirai botnet. It has been named Katana, after the Japanese sword.

Although the Katana botnet is still in development, it already has modules such as layer 7 DDoS, different encryption keys for each source, fast self-replication, and secure C&C. There are indications that katana may be associated with an  HTTP banking botnet in the future.

We’ve previously looked at how Mirai, an IoT botnet, has evolved since its source code became public. A recent analysis of IoT attacks and malware trends shows that Mirai’s evolution continues. For example, variants of Mirai can be bought, sold, or sourced via YouTube channels, in this case, VegaSec. These, and other changes, enable unskilled attackers to create malicious botnets, resulting in an increase in attacks.

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A Closer Look at the Attempted Ransomware Attack on Tesla

From securityboulevard.com

Cybersecurity is in the news again with the disclosure that Tesla, working in conjunction with the FBI, prevented a ransomware attack from being launched at its Gigafactory in Nevada. The cybercriminals targeted Tesla through one of its employees, whom they allegedly promised to pay $1 million in order to help them infect the company’s system with malware.

While it is fortunate the crime was thwarted by an employee with integrity, it nevertheless underscores how brazen malicious actors have become in their attempt to compromise corporate networks and gain access to sensitive information.

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Ryuk Ransomware Group using Zerologon Vulnerability to Accomplish their Objective Faster

From gbhackers.com

Ryuk ransomware

Ryuk ransomware is known for targeting know for targeting various large organizations worldwide. It is often distributed by other malware such as Emotet or TrickBot.

Ryuk Ransomware initially uncovered in August 2018 since then it infects and compromise various organization and steals millions of dollars from affected victims.

The analysis shows that Ryuk is a result of the custom development of an older commodity malware known as Hermes, believed to have been authored by North Korea’s Stardust Chollima (a.k.a. APT38, believed to be a revenue-generating offshoot of the well-known APT Lazarus Group).

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Remove Hilanfavouris.top (Simple Removal Guide) – Free Instructions

From 2-spyware.com

Hilanfavouris.top

Hilanfavouris.top is yet another rogue website that shows questionable content and tries to trick users into subscribing to push notifications so that it can send annoying unwanted ads directly to your device. These pop-ups redirect to other untrustworthy or possibly malicious webpages.

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New Emotet campaign uses a new ‘Windows Update’ attachment

From securityaffairs.co

After a short interruption, a new Emotet malware campaign was spotted by the experts in October. Threat actors began using new Windows Update attachments in a spam campaign aimed at users worldwide.

The spam campaign uses a new malicious attachment that pretends to be a message from Windows Update and attempts to trick the victims recommending to upgrade Microsoft Word.

The Emotet banking trojan has been active at least since 2014, the botnet is operated by a threat actor tracked as TA542. In the middle-August, the malware was employed in fresh COVID19-themed spam campaign.

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Your Guide to Popular Mac Issues and Fixes

From kalilinuxtutorials.com

Your Guide to Popular Mac Issues and Fixes

Macbooks are durable and reliable. However, if you have had the same Mac for many years, you may start to notice that it is not performing as great as it did when you first bought it.

But does this call for a buying a new replacement? Not necessarily. While spending money on another computer is an option, you can still improve the performance of your current Macbook. Investing in new hardware like RAM or a solid-state drive would help, but even those who have no budget to spare can change things for the better.

Below, you will see the list of the most common Macbook performance issues and solutions to these issues. Read what you can do and get to fixing your Macbook.

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