Linux Systems Under Attack By New RedXOR Malware

Researchers have discovered a new backdoor targeting Linux systems, which they link back to the Winnti threat group. The backdoor is called RedXOR – in part because its network data-encoding scheme is based on the XOR encryption algorithm, and in part because its samples were found on an old...

Emulation of Kernel Mode Rootkits With Speakeasy

In August 2020, we released a blog post about how the Speakeasy emulation framework can be used to emulate user mode malware such as shellcode. If you haven’t had a chance, give the post a read today. In addition to user mode emulation, Speakeasy also supports emulation of kernel mode Windows...

Researchers Disclose Undocumented Chinese Malware Used in Recent Attacks

Cybersecurity researchers have disclosed a series of attacks by a threat actor of Chinese origin that has targeted organizations in Russia and Hong Kong with malware — including a previously undocumented backdoor. Attributing the campaign to Winnti or APT41, Positive Technologies dated the first...

Researchers Disclose Undocumented Chinese Malware Used in Recent Attacks

Cybersecurity researchers have disclosed a series of attacks by a threat actor of Chinese origin that has targeted organizations in Russia and Hong Kong with malware — including a previously undocumented backdoor. Attributing the campaign to Winnti or APT41, Positive Technologies dated the first...

Major Gaming Companies Hit with Ransomware Linked to APT27

A recent slew of related ransomware attacks on top videogame companies has been associated with the notorious Chinese-linked APT27 threat group, suggesting that the advanced persistent threat APT is swapping up its historically espionage centralized tactics to adopt ransomware, a new report says...

Chinese Antivirus Firm Was Part of APT41 ‘Supply Chain’ Attack

The U.S. Justice Department this week indicted seven Chinese nationals for a decade-long hacking spree that targeted more than 100 high-tech and online gaming companies. The government alleges the men used malware-laced phishing emails and "supply chain" attacks to steal data from companies and...

Black Hat 2020: Linux Spyware Stack Ties Together 5 Chinese APTs

A stack of Linux backdoor malware used for espionage, compiled dynamically and customizable to specific targets, is being used as a shared resource by five different Chinese-language APT groups, according to researchers. According to an analysis from BlackBerry released at Black Hat 2020 on...

Winnti hacking group hits gaming firms with new backdoor malware

By Deeba Ahmed Winnti hacking group previously targeted GRAVITY gaming firm in South Korea. This is a post from HackRead.com Read the original post: Winnti hacking group hits gaming firms with new backdoor malware...

Threat Analysis: Active C2 Discovery Using Protocol Emulation Part2 (Winnti 4.0)

Summary The VMware Carbon Black Threat Analysis Unit TAU previously released a blog post documenting the Winnti version 4.0 malware. The new command and control C2 protocol that was implemented in one of the 4.0 samples was completely different from the existing understanding of the 3.0 protocol...

A week in security (January 27 – February 2)

Last week on Malwarebytes Labs, we looked at the strengths and weaknesses of the Zero Trust model, gave you the low-down on spear phishing, and took a delve into the world of securing the managed service provider MSP. Other cybersecurity news UN compromised via Sharepoint hack: An extraordinary...

Stealthy Microsoft SQL Server Backdoor Malware Spotted in the Wild

Cybersecurity researchers claim to have discovered a previously undocumented backdoor specifically designed for Microsoft SQL servers that could allow a remote attacker to control an already compromised system stealthily. Dubbed Skip-2.0 , the backdoor malware is a post-exploitation tool that run...

Stealthy Microsoft SQL Server Backdoor Malware Spotted in the Wild

Cybersecurity researchers claim to have discovered a previously undocumented backdoor specifically designed for Microsoft SQL servers that could allow a remote attacker to control an already compromised system stealthily. Dubbed Skip-2.0, the backdoor malware is a post-exploitation tool that runs...

CB TAU Threat Intelligence Notification: Winnti Malware 4.0

Winnti is a family of malware used by multiple Chinese threat actors like APT41. Carbon Black’s Threat Analysis Unit TAU is providing this technical analysis, YARA rules, IOCs and product rules for the research community. Behavioral Summary Winnti malware is installed manually with stolen...

Report Reveals TeamViewer Was Breached By Chinese Hackers In 2016

The German software company behind TeamViewer, one of the most popular software in the world that allows users to access and share their desktops remotely, was reportedly compromised in 2016, the German newspaper Der Spiegel revealed today. TeamViewer is popular remote-support software that allow...

Report Reveals TeamViewer Was Breached By Chinese Hackers In 2016

The German software company behind TeamViewer, one of the most popular software in the world that allows users to access and share their desktops remotely, was reportedly compromised in 2016, the German newspaper Der Spiegel revealed today. TeamViewer is popular remote-support software that allow...

This Week in Security News

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. Below you’ll find a quick recap of topics followed by links to news articles and/or our blog posts providing additional insight. Be sure to check back...

Detecting threat actors in recent German industrial attacks with Windows Defender ATP

When a Germany-based industrial conglomerate disclosed in December 2016 that it was breached early that year, the breach was revealed to be a professionally run industrial espionage attack. According to the German press, the intruders used the Winnti family of malware as their main implant, givin...

Researchers uncovered new malware used by Chinese cyber criminals

Trend Micro researchers have uncovered a new backdoor pieces of malware from the Winnti family, which are mainly used by a Chinese cyber criminal group to target South East Asian organizations from the video gaming sector. Winnti malware used by hackers to hijack control of web users systems usin...

Researchers uncovered new malware used by Chinese cyber criminals

Trend Micro researchers have uncovered a new backdoor pieces of malware from the Winnti family, which are mainly used by a Chinese cyber criminal group to target South East Asian organizations from the video gaming sector. Winnti malware used by hackers to hijack control of web users systems usin...

Stolen Winnti Certificates Used in Watering Hole Attack Against Tibet Orphans Site

The assault against Free Tibet and Uyghur supporters is unrelenting as another watering hole attack has been uncovered, this time against a caregiver site supporting Tibetan refugee children. The non-governmental organization NGO Tibetan Homes Foundation site remains compromised and is hosting a...