Deep Panda deploys new rootkit “Fire Chili” by exploiting Log4shell in VMware horizon

THREAT LEVEL: Red For a detailed advisory, download the pdf file here Deep Panda, a Chinese APT group, took advantage of the well-known Log4Shell vulnerability in VMware Horizon servers to deploy a backdoor, rootkit, and steal sensitive data. This threat actor is primarily targeting firms in the...

Sharpen Your IR Capabilities With Rapid7’s Detection and Response Workshop

You’re tasked with protecting your environment, and you’ve invested significant time and resources into deploying and configuring your tools — but how do you know if the security controls you’ve put into place are effective? The challenge continues to grow as attacker tactics, techniques, and...

A week in security (March 28 – April 3)

Last week on Malwarebytes Labs: New UAC-0056 activity: There’s a Go Elephant in the room Globant suffers network breach due to LAPSUS$ compromise Update now! Apple patches two zero-day vulnerabilities that may have been actively exploited Hive ransomware impacts California non-profit health...

MITRE Engenuity ATT&CK Tests

Trend Micro Vision One achieved a protection score of 100% in this year’s evaluation, proving once again that it is an invaluable tool that provides higher confidence detections for security operations teams...

An In-Depth Look at ICS Vulnerabilities Part 2

In part two of our three-part series, we continue to analyze vulnerabilities using MITRE ATT&CK. We also look into the sectors affected and their risk levels...

Authentication Bypass Vulnerability in Zyxel Firmware

THREAT LEVEL: Amber For a detailed advisory, download the pdf file here A severe vulnerability CVE-2022-0342 has been discovered in the firmware of some of Zyxels business-grade firewall and VPN products, potentially allowing attackers administrator-level access to affected devices. This...

Actively exploited vulnerability affects Trend Micro Apex Central

THREAT LEVEL: Amber For a detailed advisory, download the pdf file here Trend Micro Apex Central on-premise and as a Service has a zero-day vulnerability. This arbitrary file upload vulnerability if successfully exploited, could allow an unauthenticated remote attacker to upload any file, resulti...

Two Vulnerabilities affecting Apple macOS exploited-in-the-wild

THREAT LEVEL: Red For a detailed advisory, download the pdf file here Two zero-day vulnerabilities were discovered in macOS Monterey versions prior to 12.3.1. These new issues bring the total number of zero-day vulnerabilities discovered in the Apple ecosystem to four. CVE-2022-22674 is an...

Results Overview: 2022 MITRE ATT&CK Evaluation – Wizard Spider and Sandworm Edition

Threat actor groups like Wizard Spider and Sandworm have been wreaking havoc over the past few years – developing and deploying cybercrime tools like Conti, Trickbot, and Ryuk ransomware. Most recently, Sandworm suspected to be a Russian cyber-military unit unleashed cyberattacks against Ukranian...

Qualys Multi-Vector EDR Excels in 2022 MITRE ATT&CK Evaluation

MITRE evaluated Qualys Multi-Vector EDR against competing alternatives, and the results are in. This blog reviews the basics of MITRE ATT&CK evaluation, how our EDR solution performed, and how to interpret the ratings. MITRE Engenuity has released the results of round 4 of its ATT&CK Evaluations...

Microsoft protects against human-operated ransomware across the full attack chain in the 2022 MITRE Engenuity ATT&CK® Evaluations

For the fourth year in a row, the independent MITRE Engenuity Adversarial Tactics, Techniques, and Common Knowledge ATT&CK® Evaluations demonstrated Microsoft’s strong detection and protection capabilities thanks to our multi-platform extended detection and response XDR defenses. The ever-evolvin...

Microsoft protects against human-operated ransomware across the full attack chain in the 2022 MITRE Engenuity ATT&CK® Evaluations

For the fourth year in a row, the independent MITRE Engenuity Adversarial Tactics, Techniques, and Common Knowledge ATT&CK® Evaluations demonstrated Microsoft’s strong detection and protection capabilities thanks to our multi-platform extended detection and response XDR defenses. The ever-evolvin...

MITRE Engenuity ATT&CK Evaluation: InsightIDR Drives Strong Signal-to-Noise

Rapid7 is very excited to share the results of our participation in MITRE Engenuity’s latest ATT&CK Evaluation, which examines how adversaries abuse data encryption to exploit organizations. With this evaluation, our customers and the broader security community get a deeper understanding of how...

New PlugX variant “Talisman” used by famous Chinese APT

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here PlugX is a well-known malware family with samples dating back to as early as 2008. A Chinese state-backed threat actor, RedFoxtrot group, is discovered to use a new variant of the PlugX malware, Talisman. The threat actor grou...

Sophos Firewall RCE vulnerability actively exploited

THREAT LEVEL: Amber For a detailed advisory, download the pdf file here A security researcher has discovered an authentication bypass vulnerability that resides in the User Portal and Webadmin areas of Sophos Firewall. Attackers are actively exploiting this vulnerability to attack enterprises in...

DOS Vulnerability discovered in SonicWall Next-Generation Firewall

THREAT LEVEL: Amber For a detailed advisory, download the pdf file here SonicWall, a manufacturer of security hardware discovered a flaw in their SonicOS security operating system that allows denial of service DoS attacks and could lead to remote code execution RCE. The identified vulnerability...

Prolific threat actor TA551 using new malware IcedID

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here TA551 is a financially motivated threat group that has been active at least since 2018. The gang primarily targeted English, German, Italian, and Japanese speakers through email-based malware distribution activities. IcedID, a...

An In-Depth Look at ICS Vulnerabilities Part 1

In this blog series our team examined various ICS vulnerabilities using the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT&CK for ICS...

Joomla! 4.1.0 Zip Slip File Overwrite / Path Traversal

------------------------------------------------- Joomla! getTarInfo$this-data; 114. 115. for $i = 0, $n = \count$this-metadata; $i metadata$i'type'; 118. 119. if $type == 'file' || $type == 'unix file' 120. 121. $buffer = $this-metadata$i'data'; 122. $path = Path::clean$destination . '/'...

Muhstik botnet adds another vulnerability exploit to its arsenal

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Muhstik malware has begun attacking Redis Servers by exploiting a recently reported vulnerability, CVE-2022-0543. This flaw can be found in several Redis Debian packages. The attack began on March 11, 2022, and was carried out...