This analysis examines Infostealer malware trends during December 2025, focusing on distribution methods, volume, and disguising techniques. Key findings include the prevalence of ACRStealer, LummaC2, and Stealc Infostealers, with malware primarily distributed through SEO poisoning and compromised legitimate websites. The report highlights two significant trends: the abuse of Python scripts for malware distribution and the emergence of cryptocurrency-stealing malware using Tor. Distribution methods evolved from direct blog posts to leveraging legitimate websites and forums. The analysis also notes a shift in malware execution methods, with 65.8% distributed as EXE files and 34.2% using DLL Sideloading techniques. The report emphasizes the importance of vigilance against these evolving threats and provides detailed insights into the malware's behavior and infrastructure.
We've known that social engineering would get AI wings. Now, at the beginning of 2026, we are learning just how high those wings can soar. The post Cyber Insights 2026: Social Engineering appeared first on SecurityWeek .
The critical issue impacts Bluetooth audio accessories with improper Google Fast Pair implementations. The post WhisperPair Attack Leaves Millions of Audio Accessories Open to Hijacking appeared first on SecurityWeek .
China has more than 5,000 cybersecurity companies and all the top 20 firms are working with the government. The post Cybersecurity Firms React to China’s Reported Software Ban appeared first on SecurityWeek .
Researchers have disclosed technical details on a new AMD processor attack that allows remote code execution inside confidential VMs. The post New ‘StackWarp’ Attack Threatens Confidential VMs on AMD Processors appeared first on SecurityWeek .
CastleLoader is a sophisticated malware loader designed to deliver and install malicious components, primarily targeting government entities and critical infrastructure. It employs a multi-stage execution chain involving Inno Setup, AutoIt, and process hollowing to evade detection. The loader delivers information stealers and RATs, enabling credential theft and persistent access. The analysis reveals its stealthy nature, relying on memory-only payloads and API resolution via hashing. The malware's configuration, including C2 infrastructure, was extracted through reverse engineering, providing high-confidence indicators of compromise for detection and analysis.
The attack bypassed Copilot’s data leak protections and allowed for session exfiltration even after the Copilot chat was closed. The post New ‘Reprompt’ Attack Silently Siphons Microsoft Copilot Data appeared first on SecurityWeek .
A targeted malware campaign against U.S.government entities has been observed, utilizing a politically themed ZIP archive containing a loader executable and a malicious DLL. The DLL functions as a backdoor named LOTUSLITE, communicating with a hard-coded command-and-control server. The campaign demonstrates minimal technical sophistication but shows deliberate victim selection and use of geopolitical lures. Attribution analysis suggests moderate-confidence overlap with Mustang Panda tradecraft, including delivery style, loader-DLL separation, and infrastructure usage. The backdoor supports basic remote tasking and data exfiltration, indicating an espionage-focused capability. This activity reflects a trend of targeted spear phishing using geopolitical themes and reliable execution techniques like DLL sideloading.
Hackers stole patients’ personal, treatment, and health insurance information from the organization’s IT systems. The post Central Maine Healthcare Data Breach Impacts 145,000 Individuals appeared first on SecurityWeek .
Hackers stole the personal and reservation information of people with a Eurail pass and those who made a seat reservation with the company. The post Traveler Information Stolen in Eurail Data Breach appeared first on SecurityWeek .
CVE-2025-70892 is a critical SQL Injection vulnerability in Phpgurukul Cyber Cafe Management System v1.0, specifically in the user management module's add-users.php endpoint. The flaw arises from improper validation of the username parameter, allowing unauthenticated remote attackers to execute arbitrary SQL commands. This vulnerability has a CVSS score of 9.8, indicating a critical risk with high impact on confidentiality, integrity, and availability. Although no known exploits are currently in the wild, exploitation could lead to full database compromise, data leakage, or system disruption. European organizations using this system, especially cyber cafes or small businesses managing user access, are at risk. Mitigation requires immediate input validation, parameterized queries, and restricting database permissions. Countries with higher adoption of cyber cafe management solutions and significant small business sectors, such as Germany, France, Italy, Spain, and the UK, are likely most affected.
CVE-2025-65349 is a stored Cross-Site Scripting (XSS) vulnerability found in the web management interface of the Each Italy Wireless Mini Router WIRELESS-N 300M v28K. MiniRouter.20190211. The vulnerability arises from improper sanitization of the repeater AP SSID value, which is reflected on the /index.htm page, allowing attackers to inject and execute arbitrary scripts. Exploitation requires the attacker to have low privileges and some user interaction, but it can lead to partial compromise of confidentiality and integrity. The CVSS score is 5.4 (medium severity), indicating moderate risk. No known exploits are currently in the wild, and no patches have been published yet. European organizations using this router model should be cautious, especially in countries with higher deployment of this hardware.
RedVDS enables threat actors to set up servers that can be used for phishing, BEC attacks, account takeover, and fraud. The post RedVDS Cybercrime Service Disrupted by Microsoft and Law Enforcement appeared first on SecurityWeek .
