Threats tagged 'malware'
654 threats
Most recently published first
| Severity | CVSS | Threat | Source | Published | Score and star |
|---|---|---|---|---|---|
| –Not rated | – | CIRCL OSINT Feed This entry describes a Maltrail Indicator of Compromise (IOC) dated February 19, 2026, categorized as malware with a medium risk level. The information is sourced from the CIRCL OSINT feed and is labeled as an unsupervised, manual collection of network activity observations. No specific affected versions, exploits in the wild, or patches are noted, and no detailed technical indicators or vulnerabilities are provided. The threat is primarily an OSINT observation without concrete actionable details or known active exploitation. Given the lack of detailed technical data, the threat appears to be of medium severity, reflecting potential but unconfirmed risk. Organizations should remain vigilant for related network anomalies but no immediate critical action is mandated. The threat's global impact is uncertain due to the absence of affected products or sectors. Countries with significant use of network monitoring tools and high cyber threat exposure may be more attentive to such IOC feeds. Overall, this represents a medium-level malware-related network activity observation without direct exploit evidence. | CIRCL OSINT Feed | ||
| –Not rated | – | CIRCL OSINT Feed This entry describes a Maltrail Indicator of Compromise (IOC) dated February 18, 2026, sourced from the CIRCL OSINT feed. It is categorized as malware-related network activity with a medium risk level. No specific affected product versions, exploits in the wild, or patches are identified. The IOC appears to be an observation from open-source intelligence without detailed technical indicators or attack vectors. Given the lack of detailed exploit information and absence of known active exploitation, the threat is assessed as medium severity. Organizations should monitor network traffic for suspicious activity consistent with Maltrail detections and maintain vigilance in threat intelligence updates. The threat is relevant globally due to the generic nature of network-based malware activity but lacks specificity to target particular countries or sectors. Practical mitigation involves enhancing network monitoring, deploying anomaly detection tools, and ensuring timely threat intelligence integration. No direct CVSS score is available, so severity is inferred from available data. | CIRCL OSINT Feed | ||
| –Not rated | – | AlienVault OTX General North Korean threat actor UNC1069 has evolved its tactics to target the cryptocurrency and decentralized finance sectors. In a recent intrusion, they deployed seven unique malware families, including new tools SILENCELIFT, DEEPBREATH, and CHROMEPUSH, designed to capture host and victim data. The attack utilized social engineering involving a compromised Telegram account, fake Zoom meeting, and reported AI-generated video. UNC1069 has shifted from spear-phishing to targeting Web3 industry entities like centralized exchanges, software developers, and venture capital firms. The intrusion demonstrated sophisticated techniques to bypass macOS security features and harvest credentials, browser data, and cryptocurrency information. This marks a significant expansion in UNC1069's capabilities and highlights their focus on financial theft and fueling future social engineering campaigns. | AlienVault OTX General | ||
| –Not rated | – | AlienVault OTX General A supply chain attack targeted the eScan antivirus software, distributing malware through the update server. The attack, detected on January 20, involved a malicious Reload.exe file that initiated a multi-stage infection chain. This malware prevented further antivirus updates, ensured persistence through scheduled tasks, and communicated with control servers to download additional payloads. Attackers gained unauthorized access to a regional update server, deploying a malicious file with a fake digital signature.eScan developers quickly isolated the affected infrastructure and reset access credentials. Users are advised to check for infection signs, use a provided removal utility, and block known malware control server addresses. Kaspersky's security solutions successfully detect the malware used in this attack. | AlienVault OTX General | ||
| High | – | HighGoogle Project Zero Windows 11 25H2 introduced a new Administrator Protection feature designed to replace User Account Control (UAC) with a more secure mechanism for granting administrator privileges. Research identified nine separate vulnerabilities that could bypass this feature to silently gain full administrator privileges. All reported issues have been fixed by Microsoft either before the official release or in subsequent security updates. As of December 2025, Microsoft temporarily disabled Administrator Protection due to an unrelated application compatibility issue. The feature aims to address longstanding weaknesses in UAC, which allowed silent privilege escalation through various bypass techniques. The new mechanism enforces a stronger security boundary between limited and administrator privileges. | Google Project Zero | ||
| –Not rated | – | AlienVault OTX General An analysis of Chinese hosting environments identified over 18,000 active malware command-and-control (C2) servers distributed across 48 infrastructure providers, with China Unicom hosting nearly half. The majority of malicious activity is C2 infrastructure (84%), followed by phishing (13%). Key malware families such as Mozi, ARL, and Cobalt Strike dominate C2 activity, supporting both cybercrime and state-linked operations. High-trust networks like China169 Backbone and CERNET are exploited, revealing persistent abuse patterns and infrastructure reuse across campaigns. | AlienVault OTX General | ||
| –Not rated | – | AlienVault OTX General VoidLink is an advanced malware framework designed for Linux systems, focusing on cloud and container environments. It includes custom loaders, implants, rootkits, and modular plugins for long-term access. The framework employs a flexible architecture with a Plugin API inspired by Cobalt Strike. VoidLink uses multiple security mechanisms, including runtime code encryption and adaptive behavior based on the detected environment. Developed by Chinese-affiliated developers, it demonstrates high technical expertise across multiple programming languages. The framework includes cloud-focused capabilities, credential harvesting, and various command-and-control channels. While its intended use remains unclear, VoidLink appears to be positioned for potential commercial use. | AlienVault OTX General | ||
| –Not rated | – | Community Curated This detailed analysis uncovers a trojanized WinRAR installer used in a malware campaign distributing the Winzipper backdoor. The multi-layered unpacking and dynamic analysis reveal how the malware hides behind a legitimate installer to evade detection and establish persistence, with clear IOCs and mitigation advice provided. | Community Curated | ||
| –Not rated | – | Reddit InfoSec News The KMSAuto malware, linked to a Lithuanian suspect recently arrested, infected approximately 2.8 million systems globally. This malware is known for unauthorized activation of Microsoft software products, often bundled with additional malicious payloads. Although no CVSS score is available, the widespread infection and potential for system compromise indicate a medium severity threat. European organizations using unlicensed or pirated Microsoft software are particularly at risk, as KMSAuto targets such environments. The malware can lead to unauthorized access, data integrity issues, and potential lateral movement within networks. Mitigation requires organizations to enforce software licensing compliance, deploy endpoint detection tools capable of identifying KMSAuto variants, and conduct thorough network scans for infections. Countries with high Microsoft software usage and historical malware targeting, such as Germany, France, the UK, Poland, and the Baltic states, are most likely affected. The arrest may disrupt ongoing operations but does not eliminate the threat from existing infections. Defenders should prioritize detection and remediation efforts to reduce impact and prevent further spread. | Reddit InfoSec News | ||
| –Not rated | – | Reddit InfoSec News The EmEditor homepage download button was compromised and served malware to users for a period of four days. This incident involved the official download link being manipulated to deliver malicious payloads, potentially infecting users who attempted to download the software during that timeframe. Although no specific affected versions or malware details were disclosed, the attack represents a supply chain compromise risk. The threat was identified through Reddit InfoSec discussions and reported by hackread.com, but with minimal technical details and no known exploits in the wild. European organizations using EmEditor or downloading it during the affected period could have been exposed to malware infection, risking confidentiality and integrity of their systems. Mitigation requires verifying software integrity, using alternative trusted download sources, and monitoring for suspicious activity. Countries with higher EmEditor usage and strong software development sectors, such as Germany, France, and the UK, are more likely to be impacted. Given the ease of exploitation through a trusted website and the potential for malware infection, the severity is assessed as high despite limited technical details. Defenders should prioritize verifying downloads and enhancing endpoint detection capabilities. | Reddit InfoSec News | ||
| –Not rated | – | Reddit InfoSec News A hacker involved in distributing the KMSAuto malware campaign, which amassed approximately 2.8 million downloads, has been arrested. KMSAuto is a known malware family often disguised as software activation tools, commonly used to illegally activate Microsoft products. The campaign's large scale indicates widespread infection potential, posing risks to confidentiality and system integrity. Although no specific affected versions or exploits in the wild are detailed, the malware's presence on millions of systems suggests significant impact. European organizations are at risk due to the popularity of Microsoft products and the prevalence of software piracy tools like KMSAuto. Mitigation requires targeted detection of KMSAuto variants, user education against unauthorized activation tools, and robust endpoint protection. Countries with high Microsoft usage and historical malware infection rates, such as Germany, France, the UK, Italy, and Spain, are most likely affected. Given the malware's broad reach, ease of distribution, and potential for persistent compromise, the threat severity is assessed as high. Defenders should focus on proactive monitoring, incident response readiness, and user awareness to reduce infection vectors. | Reddit InfoSec News | ||
| –Not rated | – | Reddit InfoSec News A fake domain impersonating MAS Windows activation services is being used to distribute PowerShell-based malware. This threat involves social engineering where users seeking Windows activation tools are redirected to malicious domains hosting malware. The malware leverages PowerShell scripts, which can execute with high privileges and evade detection. Although no known exploits in the wild are reported yet, the high severity rating reflects the potential for widespread impact. European organizations using Windows systems are at risk, especially those with less stringent endpoint protections. Attackers may target users attempting to bypass legitimate activation, increasing infection vectors. Mitigation requires blocking access to known fake activation domains, monitoring PowerShell execution, and educating users about the risks of unauthorized activation tools. Countries with high Windows usage and significant enterprise sectors, such as Germany, France, and the UK, are more likely to be affected. The threat is assessed as high severity due to ease of exploitation, potential for privilege escalation, and impact on system integrity and availability. Defenders should prioritize detection of suspicious PowerShell activity and domain filtering to prevent infection. | Reddit InfoSec News | ||
| –Not rated | – | Reddit NetSec A recently analyzed multi-stage macOS infostealer malware has been identified, highlighting a complex attack targeting macOS users. This malware operates in multiple stages to evade detection and exfiltrate sensitive information from infected systems. Although no known exploits are currently active in the wild, the threat poses a medium severity risk due to its potential to compromise confidentiality. European organizations using macOS devices should be aware of this threat, especially those in sectors with high-value data. Mitigation requires enhanced endpoint monitoring, restricting execution of unknown binaries, and user education on phishing and suspicious downloads. Countries with significant macOS market share and advanced tech sectors, such as Germany, the UK, France, and the Nordics, are more likely to be targeted. Given the malware’s complexity and potential impact on data confidentiality without requiring user interaction post-infection, the suggested severity is medium. Defenders should prioritize detection capabilities for multi-stage macOS malware and implement strict application control policies. | Reddit NetSec | ||
| –Not rated | – | Reddit InfoSec News The MacSync malware dropper is a newly identified threat targeting macOS systems that can bypass the native Gatekeeper security mechanism designed to prevent unauthorized software execution. This evasion allows the malware to install and execute without triggering macOS's built-in protections, increasing the risk of compromise. Although no known exploits are currently observed in the wild, the malware's ability to circumvent Gatekeeper represents a significant escalation in macOS threat capabilities. European organizations using macOS devices, especially in sectors with high-value data, face increased risks of data theft, espionage, or system disruption. Mitigation requires enhanced endpoint security measures beyond Gatekeeper, including application whitelisting, behavior monitoring, and user education on suspicious downloads. Countries with higher macOS adoption and critical infrastructure sectors, such as Germany, the UK, France, and the Nordics, are more likely to be targeted. Given the malware's stealth and potential impact on confidentiality and integrity without requiring user interaction post-infection, the threat severity is assessed as high. Defenders should prioritize detection and containment strategies tailored to macOS environments to mitigate this emerging risk. | Reddit InfoSec News | ||
| –Not rated | – | Reddit NetSec This information describes an update to a publicly available STIX feed used for sharing cyber threat intelligence indicators. The update improves the feed's structure by implementing proper STIX 2.1 object hierarchies, including IPv4Address SCOs with deterministic UUIDs and relationships linking indicators to malware families. This enhancement facilitates better integration and deduplication when used alongside multiple threat feeds, improving the accuracy and usability of threat intelligence platforms like OpenCTI. There is no direct security vulnerability or exploit described, and no known active exploitation in the wild. The update is a technical improvement to a threat intelligence feed rather than a new malware or attack vector. European organizations relying on threat intelligence feeds can benefit from more precise and interoperable data, but this does not represent a direct threat. The suggested severity is low since this is an intelligence feed improvement without direct impact on confidentiality, integrity, or availability. | Reddit NetSec | ||
| –Not rated | – | Reddit InfoSec News Frogblight is a medium-severity Android malware campaign distributing fake court and aid-related applications to deceive users. It targets Android users by masquerading as legitimate legal or aid service apps, aiming to trick victims into installing malicious software. The malware's primary goal is likely to steal sensitive information or gain unauthorized access to devices. There are no known exploits in the wild yet, and technical details are limited, with minimal discussion and indicators available. European organizations and users could be impacted due to the widespread use of Android devices and the relevance of legal and aid services. Mitigation requires targeted user awareness campaigns, strict app vetting, and enhanced mobile security controls. Countries with high Android usage and significant legal or social aid infrastructure, such as Germany, France, Italy, Spain, and the UK, are more likely to be affected. Given the medium severity, the malware poses a moderate risk, primarily impacting confidentiality and potentially device integrity without requiring user interaction beyond installation. Defenders should focus on detecting fake apps, monitoring unusual app behaviors, and educating users about verifying app authenticity. | Reddit InfoSec News | ||
| –Not rated | – | Reddit NetSec A newly discovered Rust-based DDoS botnet exploits exposed Docker APIs on port 2375 to recruit compromised hosts. The malware uses asynchronous Rust libraries and obfuscation techniques to evade detection, with no antivirus engines initially detecting it. Its command-and-control (C2) protocol is weakly secured, lacking encryption and using predictable nonces and hardcoded credentials. The botnet infrastructure is centralized on a single server, which serves both malware distribution and C2 functions. The researcher developed a honeypot that impersonates infected bots to monitor ongoing DDoS targets in real time. This threat highlights the risks of exposed Docker APIs and the challenges traditional detection tools face with modern Rust-based malware. European organizations running Docker with exposed APIs are at risk of compromise and subsequent participation in DDoS attacks. Mitigation requires immediate restriction of Docker API exposure, network segmentation, and deployment of custom detection rules based on provided YARA and Snort signatures. Countries with high Docker adoption and significant internet infrastructure are most likely affected. The threat is assessed as medium severity due to moderate impact and exploitation complexity but notable evasion capabilities. | Reddit NetSec | ||
| –Not rated | – | Reddit InfoSec News A China-aligned threat group has been observed leveraging Windows Group Policy to deploy espionage malware. This technique allows the attacker to distribute malicious payloads across multiple systems within a network efficiently. The malware is designed for espionage, targeting sensitive information and potentially compromising confidentiality and integrity. The attack does not currently have known exploits in the wild but is considered high severity due to the sophistication and potential impact. European organizations using Windows Active Directory environments are at risk, especially those in sectors with strategic importance or geopolitical interest to China. Mitigation requires strict Group Policy management, enhanced monitoring of policy changes, and network segmentation. Countries with significant Windows enterprise deployments and geopolitical relevance, such as Germany, France, and the UK, are most likely to be affected. The threat is assessed as high severity given the potential for widespread impact, ease of exploitation within compromised networks, and the critical nature of the targeted data. Defenders should prioritize detection of unauthorized Group Policy modifications and implement robust endpoint security controls. | Reddit InfoSec News | ||
| –Not rated | – | Reddit InfoSec News A new variant of the BeaverTail malware has been linked to the Lazarus Group, a well-known North Korean state-sponsored threat actor. This malware is reportedly high severity and represents an evolution in the group’s toolset. While no known exploits are currently active in the wild, the association with Lazarus indicates a potentially sophisticated and targeted threat. The malware's technical specifics are limited, but its emergence signals ongoing cyber espionage and possibly financially motivated attacks. European organizations, especially those in critical infrastructure and finance, could be targeted due to their strategic value. Mitigation requires enhanced monitoring for indicators of compromise, network segmentation, and threat intelligence sharing. Countries with significant financial sectors and technology industries, such as Germany, France, and the UK, are likely to be most affected. Given the high impact potential and ease of exploitation typical of Lazarus campaigns, the suggested severity is high. Defenders should prioritize detection and response capabilities tailored to advanced persistent threats linked to nation-state actors. | Reddit InfoSec News | ||
| –Not rated | – | Reddit InfoSec News The Kimsuky threat actor is distributing the DocSwap Android malware through QR code phishing campaigns that impersonate legitimate delivery applications. This malware targets Android devices by tricking users into scanning malicious QR codes, leading to the installation of the malware under the guise of a delivery app. Once installed, DocSwap can potentially exfiltrate sensitive data and perform unauthorized actions on the infected device. The campaign leverages social engineering via QR codes, which are increasingly used in contactless interactions, making it a significant risk vector. European organizations, particularly those with employees or customers using Android devices and relying on delivery services, may be targeted. The threat is rated as high severity due to the malware’s capabilities and the ease of exploitation through user interaction. Mitigation requires targeted user awareness about QR code risks, deployment of mobile threat defense solutions, and strict app installation policies. Countries with high Android usage and significant logistics or delivery sectors, such as Germany, France, and the UK, are more likely to be affected. Given the lack of a CVSS score, the threat is assessed as high severity based on its impact and exploitation method. | Reddit InfoSec News |
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