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Malicious Google Ads Pushing Fake IP Scanner Software with Hidden Backdoor

Malicious Google Ads Pushing Fake IP Scanner Software with Hidden Backdoor
Apr 18, 2024 Malvertising / Endpoint Security
A new Google malvertising campaign is leveraging a cluster of domains mimicking a legitimate IP scanner software to deliver a previously unknown backdoor dubbed  MadMxShell . "The threat actor registered multiple look-alike domains using a typosquatting technique and leveraged Google Ads to push these domains to the top of search engine results targeting specific search keywords, thereby luring victims to visit these sites," Zscaler ThreatLabz researchers Roy Tay and Sudeep Singh  said . As many as 45 domains are said to have been registered between November 2023 and March 2024, with the sites masquerading as port scanning and IT management software such as Advanced IP Scanner, Angry IP Scanner, IP scanner PRTG, and ManageEngine. While this is  not the first time  threat actors are  banking  on  malvertising techniques  to serve malware via lookalike sites, the development marks the first time the delivery vehicle is being used to propagate a sophisticated Windows backdoo

TA558 Hackers Weaponize Images for Wide-Scale Malware Attacks

TA558 Hackers Weaponize Images for Wide-Scale Malware Attacks
Apr 16, 2024 Threat Intelligence / Endpoint Security
The threat actor tracked as  TA558  has been observed leveraging steganography as an obfuscation technique to deliver a wide range of malware such as Agent Tesla, FormBook, Remcos RAT, LokiBot, GuLoader, Snake Keylogger, and XWorm, among others. "The group made extensive use of steganography by sending VBSs, PowerShell code, as well as RTF documents with an embedded exploit, inside images and text files," Russian cybersecurity company Positive Technologies  said  in a Monday report. The campaign has been codenamed SteganoAmor for its reliance on steganography and the choice of file names such as greatloverstory.vbs and easytolove.vbs. A majority of the attacks have targeted industrial, services, public, electric power, and construction sectors in Latin American countries, although companies located in Russia, Romania, and Turkey have also been singled out. The development comes as TA558 has also been spotted  deploying Venom RAT  via phishing attacks aimed at enterprise

Code Keepers: Mastering Non-Human Identity Management

Code Keepers: Mastering Non-Human Identity Management
Apr 12, 2024DevSecOps / Identity Management
Identities now transcend human boundaries. Within each line of code and every API call lies a non-human identity. These entities act as programmatic access keys, enabling authentication and facilitating interactions among systems and services, which are essential for every API call, database query, or storage account access. As we depend on multi-factor authentication and passwords to safeguard human identities, a pressing question arises: How do we guarantee the security and integrity of these non-human counterparts? How do we authenticate, authorize, and regulate access for entities devoid of life but crucial for the functioning of critical systems? Let's break it down. The challenge Imagine a cloud-native application as a bustling metropolis of tiny neighborhoods known as microservices, all neatly packed into containers. These microservices function akin to diligent worker bees, each diligently performing its designated task, be it processing data, verifying credentials, or

TA547 Phishing Attack Hits German Firms with Rhadamanthys Stealer

TA547 Phishing Attack Hits German Firms with Rhadamanthys Stealer
Apr 11, 2024 Endpoint Security / Ransomware
A threat actor tracked as  TA547  has targeted dozens of German organizations with an information stealer called  Rhadamanthys  as part of an invoice-themed phishing campaign. "This is the first time researchers observed TA547 use Rhadamanthys, an information stealer that is used by multiple cybercriminal threat actors," Proofpoint  said . "Additionally, the actor appeared to use a PowerShell script that researchers suspect was generated by a large language model (LLM)." TA547 is a prolific, financially motivated threat actor that's known to be active since at least November 2017, using email phishing lures to deliver a variety of Android and Windows malware such as ZLoader, Gootkit, DanaBot, Ursnif, and even Adhubllka ransomware. In recent years, the group has  evolved  into an initial access broker (IAB) for ransomware attacks. It has also been observed employing geofencing tricks to restrict payloads to specific regions. The email messages observed as p

WATCH: The SaaS Security Challenge in 90 Seconds

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websiteAdaptive ShieldSaaS Security / Cyber Threat
Discover how you can overcome the SaaS security challenge by securing your entire SaaS stack with SSPM.

Microsoft Fixes 149 Flaws in Huge April Patch Release, Zero-Days Included

Microsoft Fixes 149 Flaws in Huge April Patch Release, Zero-Days Included
Apr 10, 2024 Patch Tuesday / Endpoint Security
Microsoft has released security updates for the month of April 2024 to remediate a record  149 flaws , two of which have come under active exploitation in the wild. Of the 149 flaws, three are rated Critical, 142 are rated Important, three are rated Moderate, and one is rated Low in severity. The update is aside from  21 vulnerabilities  that the company addressed in its Chromium-based Edge browser following the release of the  March 2024 Patch Tuesday fixes . The two shortcomings that have come under active exploitation are below - CVE-2024-26234  (CVSS score: 6.7) - Proxy Driver Spoofing Vulnerability CVE-2024-29988  (CVSS score: 8.8) - SmartScreen Prompt Security Feature Bypass Vulnerability While Microsoft's own advisory provides no information about CVE-2024-26234, cybersecurity firm Sophos said it discovered in December 2023 a malicious executable ("Catalog.exe" or "Catalog Authentication Client Service") that's  signed  by a valid Microsoft Wi

From PDFs to Payload: Bogus Adobe Acrobat Reader Installers Distribute Byakugan Malware

From PDFs to Payload: Bogus Adobe Acrobat Reader Installers Distribute Byakugan Malware
Apr 05, 2024 Malware / Endpoint Security
Bogus installers for Adobe Acrobat Reader are being used to  distribute  a new multi-functional malware dubbed  Byakugan . The starting point of the attack is a PDF file written in Portuguese that, when opened, shows a blurred image and asks the victim to click on a link to download the Reader application to view the content. According to Fortinet FortiGuard Labs, clicking the URL leads to the delivery of an installer ("Reader_Install_Setup.exe") that activates the infection sequence. Details of the campaign were  first disclosed  by the AhnLab Security Intelligence Center (ASEC) last month. The attack chain leverages techniques like DLL hijacking and Windows User Access Control (UAC) bypass to load a malicious dynamic-link library (DLL) file named "BluetoothDiagnosticUtil.dll," which, in turn, loads unleashes the final payload. It also deploys a legitimate installer for a PDF reader like Wondershare PDFelement. The binary is equipped to gather and exfiltrate s

Detecting Windows-based Malware Through Better Visibility

Detecting Windows-based Malware Through Better Visibility
Apr 01, 2024 Malware Detection / Endpoint Security
Despite a plethora of available security solutions, more and more organizations fall victim to Ransomware and other threats. These continued threats aren't just an inconvenience that hurt businesses and end users - they damage the economy, endanger lives, destroy businesses and put national security at risk. But if that wasn't enough – North Korea appears to be  using revenue from cyber attacks to funds its nuclear weapons program . Small and mid-size businesses are increasingly caught in the dragnet of ongoing malware attacks - often due to underfunded IT departments. Exacerbating the problem are complex enterprise security solutions that are often out of reach for many companies - especially when multiple products are seemingly needed to establish a solid defense. Volume-based products that incentivize users to collect less data in order to conserve funds work backward, dampening the anticipated benefits. But what if you could detect many malware attacks holistically with

Implementing Zero Trust Controls for Compliance

Implementing Zero Trust Controls for Compliance
Mar 22, 2024 Data Protection / Zero-Day Attack
The  ThreatLocker® Zero Trust Endpoint Protection Platform  implements a strict deny-by-default, allow-by-exception security posture to give organizations the ability to set policy-based controls within their environment and mitigate countless cyber threats, including zero-days, unseen network footholds, and malware attacks as a direct result of user error. With the capabilities of the ThreatLocker® Zero Trust Endpoint Protection Platform implemented into their cybersecurity strategy, organizations in any industry around the world can check off the requirements of most compliance frameworks and sleep better at night knowing they are protected from the most devastating of cyberattacks, such as ransomware. ThreatLocker has shared a  free downloadable asset  to equip IT professionals with cybersecurity compliance best practices. This article aims to elaborate on, and provide a basic over of, the asset. Complexities Across Compliance Frameworks Cybersecurity compliance frameworks exis

How to Accelerate Vendor Risk Assessments in the Age of SaaS Sprawl

How to Accelerate Vendor Risk Assessments in the Age of SaaS Sprawl
Mar 21, 2024 SaaS Security / Endpoint Security
In today's digital-first business environment dominated by SaaS applications, organizations increasingly depend on third-party vendors for essential cloud services and software solutions. As more vendors and services are added to the mix, the complexity and potential vulnerabilities within the  SaaS supply chain  snowball quickly. That's why effective vendor risk management (VRM) is a critical strategy in identifying, assessing, and mitigating risks to protect organizational assets and data integrity. Meanwhile, common approaches to vendor risk assessments are too slow and static for the modern world of SaaS. Most organizations have simply adapted their legacy evaluation techniques for on-premise software to apply to SaaS providers. This not only creates massive bottlenecks, but also causes organizations to inadvertently accept far too much risk. To effectively adapt to the realities of modern work, two major aspects need to change: the timeline of initial assessment must shorte

Magnet Goblin Hacker Group Leveraging 1-Day Exploits to Deploy Nerbian RAT

Magnet Goblin Hacker Group Leveraging 1-Day Exploits to Deploy Nerbian RAT
Mar 11, 2024 Zero-Day / Endpoint Security
A financially motivated threat actor called  Magnet Goblin  is swiftly adopting one-day security vulnerabilities into its arsenal in order to opportunistically breach edge devices and public-facing services and deploy malware on compromised hosts. "Threat actor group Magnet Goblin's hallmark is its ability to swiftly leverage newly disclosed vulnerabilities, particularly targeting public-facing servers and edge devices," Check Point  said . "In some cases, the deployment of the exploits is within 1 day after a [proof-of-concept] is published, significantly increasing the threat level posed by this actor." Attacks mounted by the adversary have leveraged unpatched Ivanti Connect Secure VPN, Magento, Qlik Sense, and possibly Apache ActiveMQ servers as an initial infection vector to gain unauthorized access. The group is said to be active since at least January 2022. A successful exploitation is followed by the deployment of a cross-platform remote access trojan (RAT) dubbed Nerbian
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