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Threat actors have been observed distributing malicious payloads such as cryptocurrency miner and clipper malware via SourceForge , a popular software hosting service, under the guise of cracked versions of legitimate applications like Microsoft Office. "One such project, officepackage, on the main website sourceforge.net, appears harmless enough, containing Microsoft Office add-ins copied from a legitimate GitHub project," Kaspersky said in a report published today. "The description and contents of officepackage provided below were also taken from GitHub." While every project created on sourceforge.net gets assigned a "<project>.sourceforge.io" domain name, the Russian cybersecurity company found that the domain for officepackage, "officepackage.sourceforge[.]io," displays a long list of Microsoft Office applications and corresponding links to download them in Russian. On top of that, hovering over the download button reveals a seemi...

A recently patched security vulnerability in the 7-Zip archiver tool was exploited in the wild to deliver the SmokeLoader malware. The flaw, CVE-2025-0411 (CVSS score: 7.0), allows remote attackers to circumvent mark-of-the-web ( MotW ) protections and execute arbitrary code in the context of the current user. It was addressed by 7-Zip in November 2024 with version 24.09 . "The vulnerability was actively exploited by Russian cybercrime groups through spear-phishing campaigns, using homoglyph attacks to spoof document extensions and trick users and the Windows Operating System into executing malicious files," Trend Micro security researcher Peter Girnus said . It's suspected that CVE-2025-0411 was likely weaponized to target governmental and non-governmental organizations in Ukraine as part of a cyber espionage campaign set against the backdrop of the ongoing Russo-Ukrainian conflict. MotW is a security feature implemented by Microsoft in Windows to prevent the a...

Russian-speaking users have become the target of a new phishing campaign that leverages an open-source phishing toolkit called Gophish to deliver DarkCrystal RAT (aka DCRat) and a previously undocumented remote access trojan dubbed PowerRAT. "The campaign involves modular infection chains that are either Maldoc or HTML-based infections and require the victim's intervention to trigger the infection chain," Cisco Talos researcher Chetan Raghuprasad said in a Tuesday analysis. The targeting of Russian-speaking users is an assessment derived from the language used in the phishing emails, the lure content in the malicious documents, links masquerade as Yandex Disk ("disk-yandex[.]ru"), and HTML web pages disguised as VK, a social network predominantly used in the country. Gophish refers to an open-source phishing framework that allows organizations to test their phishing defenses by leveraging easy-to-use templates and launch email-based campaigns that can the...

FireEye today released Commando VM , which according to the company, is a "first of its kind Windows-based security distribution for penetration testing and red teaming." When it comes to the best-operating systems for hackers, Kali Linux is always the first choice for penetration testers and ethical hackers. However, Kali is a Linux-based distribution, and using Linux without learning some basics is not everyone's cup of tea as like Windows or macOS operating systems. Moreover, if you are wondering why there is no popular Windows-based operating system for hackers? First, because Windows is not open-source and second, manually installing penetration testing tools on Windows is pretty problematic for most users. To help researchers and cyber security enthusiasts, cybersecurity firm FireEye today released  an automated installer called  Commando VM. But don't get confused with its name. Commando VM is not a pre-configured snapshot of a virtual machine ima...

Cybersecurity researchers have discovered a new phishing campaign that spreads a new fileless variant of known commercial malware called Remcos RAT . Remcos RAT "provides purchases with a wide range of advanced features to remotely control computers belonging to the buyer," Fortinet FortiGuard Labs researcher Xiaopeng Zhang said in an analysis published last week. "However, threat actors have abused Remcos to collect sensitive information from victims and remotely control their computers to perform further malicious acts." The starting point of the attack is a phishing email that uses purchase order-themed lures to convince recipients to open a Microsoft Excel attachment. The malicious Excel document is designed to exploit a known remote code execution flaw in Office ( CVE-2017-0199 , CVSS score: 7.8) to download an HTML Application (HTA) file ("cookienetbookinetcahce.hta") from a remote server ("192.3.220[.]22") and launch it using mshta.e...

Cybersecurity researchers have discovered two new extensions on Microsoft Visual Studio Code (VS Code) Marketplace that are designed to infect developer machines with stealer malware. The VS Code extensions masquerade as a premium dark theme and an artificial intelligence (AI)-powered coding assistant, but, in actuality, harbor covert functionality to download additional payloads, take screenshots, and siphon data. The captured information is then sent to an attacker-controlled server. "Your code. Your emails. Your Slack DMs. Whatever's on your screen, they're seeing it too," Koi Security's Idan Dardikman said . "And that's just the start. It also steals your WiFi passwords, reads your clipboard, and hijacks your browser sessions." The names of the extensions are below - BigBlack.bitcoin-black (16 installs) - Removed by Microsoft on December 5, 2025  BigBlack.codo-ai (25 installs) - Removed by Microsoft on December 8, 2025 Microsoft's l...

Cybersecurity researchers have flagged a new malicious extension in the Open VSX registry that harbors a remote access trojan called SleepyDuck . According to Secure Annex's John Tuckner, the extension in question, juan-bianco.solidity-vlang (version 0.0.7), was first published on October 31, 2025, as a completely benign library that was subsequently updated to version 0.0.8 on November 1 to include new malicious capabilities after reaching 14,000 downloads. "The malware includes sandbox evasion techniques and utilizes an Ethereum contract to update its command and control address in case the original address is taken down," Tuckner added . Campaigns distributing rogue extensions targeting Solidity developers have been repeatedly detected across both the Visual Studio Extension Marketplace and Open VSX. In July 2025, Kaspersky disclosed that a Russian developer lost $500,000 in cryptocurrency assets after installing one such extension through Cursor. In the latest...

Last week's cyber news in 2025 was not about one big incident. It was about many small cracks opening at the same time. Tools people trust every day behave in unexpected ways. Old flaws resurfaced. New ones were used almost immediately. A common theme ran through it all in 2025. Attackers moved faster than fixes. Access meant for work, updates, or support kept getting abused. And damage did not stop when an incident was "over" — it continued to surface months or even years later. This weekly recap brings those stories together in one place. No overload, no noise. Read on to see what shaped the threat landscape in the final stretch of 2025 and what deserves your attention now. ⚡ Threat of the Week MongoDB Vulnerability Comes Under Attack — A newly disclosed security vulnerability in MongoDB has come under active exploitation in the wild, with over 87,000 potentially susceptible instances identified across the world. The vulnerability in question is CVE-2025-14847 (CVSS score: 8.7)...

If you use a smartphone, browse the web, or unzip files on your computer, you are in the crosshairs this week. Hackers are currently exploiting critical flaws in the daily software we all rely on—and in some cases, they started attacking before a fix was even ready. Below, we list the urgent updates you need to install right now to stop these active threats. ⚡ Threat of the Week Apple and Google Release Fixes for Actively Exploited Flaws — Apple released security updates for iOS, iPadOS, macOS, tvOS, watchOS, visionOS, and Safari web browser to address two zero-days that the company said have been exploited in highly targeted attacks. CVE-2025-14174 has been described as a memory corruption issue, while the second, CVE-2025-43529, is a use-after-free bug. They can both be exploited using maliciously crafted web content to execute arbitrary code. CVE-2025-14174 was also addressed by Google in its Chrome browser since it resides in its open-source Almost Native Graphics Layer Engi...

An emerging ransomware strain has been discovered incorporating capabilities to encrypt files as well as permanently erase them, a development that has been described as a "rare dual-threat." "The ransomware features a 'wipe mode,' which permanently erases files, rendering recovery impossible even if the ransom is paid," Trend Micro researchers Maristel Policarpio, Sarah Pearl Camiling, and Sophia Nilette Robles said in a report published last week. The ransomware-as-a-service (RaaS) operation in question is named Anubis, which became active in December 2024, claiming victims across healthcare, hospitality, and construction sectors in Australia, Canada, Peru, and the U.S. Analysis of early, trial samples of the ransomware suggests that the developers initially named it Sphinx, before tweaking the brand name in the final version. It's worth noting that the e-crime crew has no ties to an Android banking trojan and a Python-based backdoor of the s...

Transportation and logistics companies in North America are the target of a new phishing campaign that delivers a variety of information stealers and remote access trojans (RATs). The activity cluster, per Proofpoint, makes use of compromised legitimate email accounts belonging to transportation and shipping companies so as to inject malicious content into existing email conversations. As many as 15 breached email accounts have been identified as used as part of the campaign. It's currently not clear how these accounts are infiltrated in the first place or who is behind the attacks. "Activity which occurred from May to July 2024 predominately delivered Lumma Stealer, StealC, or NetSupport," the enterprise security firm said in an analysis published Tuesday. "In August 2024, the threat actor changed tactics by employing new infrastructure and a new delivery technique, as well as adding payloads to deliver DanaBot and Arechclient2." The attack chains invol...

Malicious actors have backdoored the installer associated with courtroom video recording software developed by Justice AV Solutions (JAVS) to deliver malware that's associated with a known implant called RustDoor. The software supply chain attack, tracked as CVE-2024-4978 (CVSS score: 8.7), impacts JAVS Viewer v8.3.7, a component of the  JAVS Suite 8  that allows users to create, manage, publish, and view digital recordings of courtroom proceedings, business meetings, and city council sessions. Cybersecurity firm Rapid7  said  it commenced an investigation earlier this month after discovering a malicious executable called "fffmpeg.exe" (note the three Fs) in the Windows installation folder of the software, tracing it to a binary named "JAVS Viewer Setup 8.3.7.250-1.exe" that was downloaded from the official JAVS site on March 5, 2024. "Analysis of the installer JAVS Viewer Setup 8.3.7.250-1.exe showed that it was signed with an unexpected Authenticode ...

An unofficial security patch has been made available for a new Windows zero-day vulnerability in the Microsoft Support Diagnostic Tool (MSDT), even as the Follina flaw continues to be exploited in the wild. The issue — referenced as  DogWalk  — relates to a path traversal flaw that can be exploited to stash a malicious executable file to the Windows Startup folder when a potential target opens a specially crafted ".diagcab" archive file that contains a diagnostics configuration file. The idea is that the payload would get executed the next time the victim logs in to the system after a restart. The vulnerability affects all Windows versions, starting from Windows 7 and Server Server 2008 to the latest releases. DogWalk was originally  disclosed  by security researcher Imre Rad in January 2020 after Microsoft, having acknowledged the problem, deemed it as not a security issue. "There are a number of file types that can execute code in such a way but aren't techni...

Cybersecurity company CrowdStrike is alerting of a phishing campaign that exploits its own branding to distribute a cryptocurrency miner that's disguised as an employee CRM application as part of a supposed recruitment process. "The attack begins with a phishing email impersonating CrowdStrike recruitment, directing recipients to a malicious website," the company said . "Victims are prompted to download and run a fake application, which serves as a downloader for the cryptominer XMRig." The Texas-based company said it discovered the malicious campaign on January 7, 2025, and that it's "aware of scams involving false offers of employment with CrowdStrike." The phishing email lures recipients by claiming that they have been shortlisted for the next stage of the hiring process for a junior developer role, and that they need to join a call with the recruitment team by downloading a customer relationship management (CRM) tool provided in the embedd...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday disclosed that ransomware actors are targeting unpatched SimpleHelp Remote Monitoring and Management (RMM) instances to compromise customers of an unnamed utility billing software provider. "This incident reflects a broader pattern of ransomware actors targeting organizations through unpatched versions of SimpleHelp RMM since January 2025," the agency said in an advisory. Earlier this year, SimpleHelp disclosed a set of flaws (CVE-2024-57727, CVE-2024-57728, and CVE-2024-57726) that could result in information disclosure, privilege escalation, and remote code execution. The vulnerabilities have since come under repeated exploitation in the wild, including by ransomware groups like DragonForce, to breach targets of interest. Last month, Sophos revealed that a Managed Service Provider's SimpleHelp deployed was accessed by the threat actor using these flaws, and then leveraged it to pivot t...