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Red Cross-Themed Phishing Attacks Distributing DangerAds and AtlasAgent Backdoors

Red Cross-Themed Phishing Attacks Distributing DangerAds and AtlasAgent Backdoors

Sep 27, 2023 Malware / Cyber Attack
A new threat actor known as  AtlasCross  has been observed leveraging Red Cross-themed phishing lures to deliver two previously undocumented backdoors named DangerAds and AtlasAgent. NSFOCUS Security Labs  described  the adversary as having a "high technical level and cautious attack attitude," adding that "the phishing attack activity captured this time is part of the attacker's targeted strike on specific targets and is its main means to achieve in-domain penetration." The attack chains start with a macro-laced Microsoft document that purports to be about a blood donation drive from the American Red Cross that, when launched, runs the malicious macro to set up persistence, exfiltrate system metadata to a remote server (data.vectorse[.]com) that's a sub-domain of a legitimate website belonging to a structural and engineering firm based in the U.S. It also extracts a file named KB4495667.pkg (codenamed DangerAds), which, subsequently acts as a loader to
Researchers Uncover New GPU Side-Channel Vulnerability Leaking Sensitive Data

Researchers Uncover New GPU Side-Channel Vulnerability Leaking Sensitive Data

Sep 27, 2023 Vulnerability / Endpoint Security
A novel side-channel attack called  GPU.zip  renders virtually all modern graphics processing units (GPU) vulnerable to information leakage. "This channel exploits an optimization that is data dependent, software transparent, and present in nearly all modern GPUs: graphical data compression," a group of academics from the University of Texas at Austin, Carnegie Mellon University, University of Washington, and the University of Illinois Urbana-Champaign  said . Graphical data compression  is a feature in integrated GPUs (iGPUs) that allows for saving memory bandwidth and improving performance when rendering frames, compressing visual data losslessly even when it's not requested by software. The study found that the compression, which happens in various vendor-specific and undocumented ways, induces data-dependent  DRAM  traffic and cache occupancy that can be measured using a side-channel. "An attacker can exploit the iGPU-based compression channel to perform cro
10,000 Victims a Day: Infostealer Garden of Low-Hanging Fruit

10,000 Victims a Day: Infostealer Garden of Low-Hanging Fruit

Jul 15, 2024Cyber Crime / Data Protection
Imagine you could gain access to any Fortune 100 company for $10 or less, or even for free. Terrifying thought, isn't it? Or exciting, depending on which side of the cybersecurity barricade you are on. Well, that's basically the state of things today. Welcome to the infostealer garden of low-hanging fruit. Over the last few years, the problem has grown bigger and bigger, and only now are we slowly learning its full destructive potential. In this article, we will describe how the entire cybercriminal ecosystem operates, the ways various threat actors exploit data originating from it, and most importantly, what you can do about it. Let's start with what infostealer malware actually is. As the name suggests, it's malware that... steals data. Depending on the specific type, the information it extracts might differ slightly, but most will try to extract the following: Cryptocurrency wallets Bank account information and saved credit card details Saved passwords from various apps Bro
New Survey Uncovers How Companies Are Confronting Data Security Challenges Head-On

New Survey Uncovers How Companies Are Confronting Data Security Challenges Head-On

Sep 27, 2023 Data Security / Cyber Attack
Data security is in the headlines often, and it's almost never for a positive reason. Major breaches, new ways to hack into an organization's supposedly secure data, and other threats make the news because well, it's scary — and expensive.  Data breaches, ransomware and malware attacks, and other cybercrime might be pricey to prevent, but they are even more costly when they occur, with the  average cost  of a data breach reaching $4.35 million and counting.  Accordingly, companies are investing in solutions that combat these problems and focusing on their Data security and protection more than ever, based on the results of the  WinZip Enterprise survey  of leading industry professionals responsible for implementing and maintaining security at their organizations.  Confidence is Up Among Data Security Pros While the media is reporting on a wide range of security threats, many of those surveyed reported a certain level of confidence in their organization's data security. For instan
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Top 4 Security Risks of GenAI

websiteWizGenAI Security / Technology
Gain a competitive edge and unlock the top 4 major emerging risks within GenAI. This report from Gartner provides insights and recommended actions for security and product leaders.
New ZenRAT Malware Targeting Windows Users via Fake Password Manager Software

New ZenRAT Malware Targeting Windows Users via Fake Password Manager Software

Sep 27, 2023 Malware / Cyber Threat
A new malware strain called ZenRAT has emerged in the wild that's distributed via bogus installation packages of the Bitwarden password manager. "The malware is specifically targeting Windows users and will redirect people using other hosts to a benign web page," enterprise security firm Proofpoint  said  in a technical report. "The malware is a modular remote access trojan (RAT) with information stealing capabilities." ZenRAT is hosted on fake websites pretending to be associated with Bitwarden, although it's uncertain as to how traffic is being directed to the domains. Such malware has been propagated via phishing, malvertising, or SEO poisoning attacks in the past. The payload (Bitwarden-Installer-version-2023-7-1.exe), downloaded from crazygameis[.]com, is a trojanized version of the standard Bitwarden installation package that contains a malicious .NET executable (ApplicationRuntimeMonitor.exe). A noteworthy aspect of the campaign is that users wh
Critical libwebp Vulnerability Under Active Exploitation - Gets Maximum CVSS Score

Critical libwebp Vulnerability Under Active Exploitation - Gets Maximum CVSS Score

Sep 27, 2023 Zero Day / Vulnerability
Google has assigned a new CVE identifier for a critical security flaw in the libwebp image library for rendering images in the  WebP format  that has come under active exploitation in the wild. Tracked as  CVE-2023-5129 , the issue has been given the maximum severity score of 10.0 on the CVSS rating system. It has been described as an issue rooted in the  Huffman coding algorithm  - With a specially crafted WebP lossless file, libwebp may write data out of bounds to the heap. The ReadHuffmanCodes() function allocates the HuffmanCode buffer with a size that comes from an array of precomputed sizes: kTableSize. The color_cache_bits value defines which size to use. The kTableSize array only takes into account sizes for 8-bit first-level table lookups but not second-level table lookups. libwebp allows codes that are up to 15-bit (MAX_ALLOWED_CODE_LENGTH). When BuildHuffmanTable() attempts to fill the second-level tables it may write data out-of-bounds. The OOB write to the undersized ar
Microsoft is Rolling out Support for Passkeys in Windows 11

Microsoft is Rolling out Support for Passkeys in Windows 11

Sep 26, 2023 Endpoint Security / Password
Microsoft is officially rolling out support for passkeys in Windows 11 today as part of a  major update  to the desktop operating system. The feature allows users to login to websites and applications without having to provide a username and password, instead relying on their device PIN or biometric information to complete the step. Based on  FIDO standards , Passkeys were  first announced  in May 2022 as a replacement for passwords in a manner that's both strong and phishing-resistant. It has since been adopted by  Apple ,  Google , and a number of other services in recent months. While the tech giant added passkey management in the Windows Insider program back in June 2023, the development marks the feature's general availability. "Passkeys are the cross-platform future of secure sign-in management," David Weston, vice president of enterprise and OS Security,  said . "A passkey creates a unique, unguessable cryptographic credential that is securely stored
ShadowSyndicate: A New Cybercrime Group Linked to 7 Ransomware Families

ShadowSyndicate: A New Cybercrime Group Linked to 7 Ransomware Families

Sep 26, 2023 Cybercrime / Malware
Cybersecurity experts have shed light on a new cybercrime group known as  ShadowSyndicate  (formerly Infra Storm) that may have leveraged as many as seven different ransomware families over the past year. "ShadowSyndicate is a threat actor that works with various ransomware groups and affiliates of ransomware programs," Group-IB and Bridewell  said  in a joint technical report. The actor, active since July 16, 2022, has linked to ransomware activity related to Quantum, Nokoyawa, BlackCat, Royal, Cl0p, Cactus, and Play strains, while also deploying off-the-shelf post-exploitation tools like  Cobalt Strike  and  Sliver  as well as loaders such as  IcedID  and  Matanbuchus . The findings are based on a distinct SSH fingerprint (1ca4cbac895fc3bd12417b77fc6ed31d) discovered on 85 servers, 52 of which have been used as command-and-control (C2) for Cobalt Strike. Among those servers are eight different Cobalt Strike license keys (or watermarks). A majority of the servers (23) a
Essential Guide to Cybersecurity Compliance

Essential Guide to Cybersecurity Compliance

Sep 26, 2023 Compliance / Penetration Testing
SOC 2, ISO, HIPAA, Cyber Essentials – all the security frameworks and certifications today are an acronym soup that can make even a compliance expert's head spin. If you're embarking on your compliance journey, read on to discover the differences between standards, which is best for your business, and how vulnerability management can aid compliance. What is cybersecurity compliance? Cybersecurity compliance means you have met a set of agreed rules regarding the way you protect sensitive information and customer data. These rules can be set by law, regulatory authorities, trade associations or industry groups.  For example, the GDPR is set by the EU with a wide range of cybersecurity requirements that every organization within its scope must comply with, while ISO 27001 is a voluntary (but internationally recognized) set of best practices for information security management. Customers increasingly expect the assurance that compliance brings, because breaches and data disclosure will
Xenomorph Banking Trojan: A New Variant Targeting 35+ U.S. Financial Institutions

Xenomorph Banking Trojan: A New Variant Targeting 35+ U.S. Financial Institutions

Sep 26, 2023 Mobile Security / Malware
An updated version of an  Android banking trojan  called  Xenomorph  has set its sights on more than 35 financial institutions in the U.S. The campaign, according to Dutch security firm ThreatFabric, leverages phishing web pages that are designed to entice victims into installing malicious Android apps that target a broader list of apps than its predecessors. Some of the other targeted prominent countries targeted comprise Spain, Canada, Italy, and Belgium. "This new list adds dozens of new overlays for institutions from the United States, Portugal, and multiple crypto wallets, following a trend that has been consistent amongst all banking malware families in the last year," the company  said  in an analysis published Monday. Xenomorph is a variant of another banker malware called Alien which  first emerged  in 2022. Later that year, the financial malware was propagated via a new dropper dubbed  BugDrop , which bypassed security features in Android 13. A subsequent iter
Threat Report: High Tech Industry targeted the most with 46% of attack traffic tagged by NLX

Threat Report: High Tech Industry targeted the most with 46% of attack traffic tagged by NLX

Sep 26, 2023 Cyber Threat / DDoS Protection
How To Use This Report Enhance situational awareness of techniques used by threat actors Identify potential attacks targeting your industry Gain insights to help improve and accelerate your organization's threat response Summary of Findings The Network Effect Threat Report offers insights based on unique data from  Fastly's Next-Gen WAF  from Q2 2023 (April 1, 2023 to June 30, 2023). This report looks at traffic originating from IP addresses tagged by Fastly's Network Learning Exchange (NLX), our collective threat intelligence feed that anonymously shares attack source IP addresses across all Next-Gen WAF customer networks. Before diving deeper into the attack observations, here are five key takeaways that we found most significant in our research, covering global traffic across multiple industries, including High Tech, Financial Services, Commerce, Education, and Media and entertainment. Multi-customer attacks: 69% of IPs tagged by NLX targeted multiple customers, and 6
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