Tag: malware
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Fake ad blocker extension crashes the browser for ClickFix attacks
A malvertising campaign is using a fake ad-blocking Chrome and Edge extension named NexShield that intentionally crashes the browser in preparation for ClickFix attacks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/fake-ad-blocker-extension-crashes-the-browser-for-clickfix-attacks/
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OverAir Software Updates Pose Risks to Vehicles
eSync Alliance Chair Shrikant Acharya on How Standardization Can Prevent Breaches. Over-the-air updates are an irreplaceable part of software-defined vehicles, giving manufacturers a convenient way of remotely fixing and upgrading vehicles. If not appropriately secured, over-the-air updates can become a gateway for data theft, malware injection, vehicle theft and even injury. First seen on govinfosecurity.com…
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New PDFSider Windows malware deployed on Fortune 100 firm’s network
Ransomware attackers targeting a Fortune 100 company in the finance sector used a new malware strain, dubbed PDFSider, to deliver malicious payloads on Windows systems. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-pdfsider-windows-malware-deployed-on-fortune-100-firms-network/
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Broker who sold malware to the FBI set for sentencing
Feras Albashiti faces 10 years after $20,000 in sales to undercover agent exposed ransomware ties First seen on theregister.com Jump to article: www.theregister.com/2026/01/19/iab_sentencing/
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Researchers Uncover PDFSIDER Malware Built for Long-Term, Covert System Access
New malware PDFSIDER enables covert, long-term access to compromised systems via advanced techniques First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/pdfsider-anti-vm-checks-hidden/
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StealC malware control panel flaw leaks details on active attacker
Researchers uncovered an XSS flaw in StealC malware’s control panel, exposing key details about a threat actor using the info stealer. StealC is an infostealer that has been active since at least 2023, sold as Malware-as-a-Service to steal cookies and passwords. In 2025, its operators released StealC v2, but the web panel quickly leaked and…
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Visual Studio Code Abused in Sophisticated Multistage Malware Attacks
A newly analyzed campaign dubbed “Evelyn Stealer” is turning the Visual Studio Code (VSC) extension ecosystem into an attack delivery platform, enabling threat actors to compromise software developers and pivot deeper into enterprise environments. The campaign abuses seemingly legitimate extensions including a “Bitcoin Black” theme and a “Codo AI” coding assistant as the initial lure.…
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Attackers Rerouted Employee Pay Without Breaching IT Systems
An unnamed organization recently discovered that several employees’ paychecks had silently vanished not because of a ransomware attack, data-wiping malware, or a cloud breach, but because an attacker convinced people to do exactly what they wanted. Instead of hacking through firewalls or exploiting zero-days, the threat actor went after the weakest link: operational processes and…
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Spear-Phishing Campaign Leverages Google Ads to Distribute EndRAT Malware
Genians Security Center has published an in-depth analysis of Operation Poseidon, a sophisticated APT campaign attributed to the Konni threat group that exploits legitimate advertising infrastructure to distribute EndRAT malware. This advanced spear-phishing operation demonstrates how threat actors leverage trusted platforms to circumvent traditional security defenses while targeting South Korean financial institutions and human rights…
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Remcos RAT Campaign Uses Trojanized VeraCrypt Installers to Steal Credentials
AhnLab Security Intelligence Center (ASEC) has identified an active Remcos RAT campaign targeting users in South Korea. The malware is being spread through multiple channels. It often masquerades as VeraCrypt utilities or tools used within illegal online gambling ecosystems. Once installed, the RAT can steal login credentials, monitor user activity, and give attackers remote control…
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Cybercriminals Impersonate Malwarebytes to Steal User Credentials
As part of an ongoing effort to highlight active and technically interesting intrusions, a new “Flash Hunting Findings” investigation has uncovered a short but well”‘structured malware campaign impersonating MalwareBytes to deliver infostealers and steal user logins and crypto”‘wallet data. The activity was observed between January 11 and January 15, 2026, and is characterized by consistent…
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Hackers Exploiting PDF24 App to Deploy Stealthy PDFSIDER Backdoor
Resecurity has identified PDFSIDER malware that exploits the legitimate PDF24 App to covertly steal data and allow remote access. Learn how this APT-level campaign targets corporate networks through spear-phishing and encrypted communications. First seen on hackread.com Jump to article: hackread.com/hackers-exploit-pdf24-app-pdfsider-backdoor/
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Python-Bibliotheken für Hugging-Face-Modelle vergiftet
Tags: ai, apple, cve, exploit, intelligence, malware, ml, network, nvidia, rce, remote-code-execution, tool, vulnerabilityPython-Libraries sind mit manipulierten Metadaten in KI-Modellen infiziert und können beim Laden Schadcode ausgeführen.NeMo, Uni2TS und FlexTok, Python-Bibliotheken für Künstliche Intelligenz (KI) und Machine Learning (ML), die in Hugging-Face-Modellen verwendet werden, haben gravierende Schwächen. Wie Forschende von Palo Alto Networks’ Unit 42 herausgefunden haben, können Kriminelle diese nutzen, um Schadcode in Metadaten zu verstecken. Einmal…
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Mastang Panda Uses Venezuela News to Spread LOTUSLITE Malware
Researchers have found a new spying campaign using news about Venezuela to trick US government officials. Learn how the LOTUSLITE virus sneaks into computers to steal secrets. First seen on hackread.com Jump to article: hackread.com/mastang-panda-venezuela-news-lotuslite-malware/
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PDFSIDER Malware Actively Exploited to Evade Antivirus and EDR Defenses
Security researchers have identified a sophisticated backdoor malware variant, PDFSIDER, that leverages DLL side-loading to evade endpoint detection and response (EDR) systems. The threat demonstrates advanced persistent threat (APT) tradecraft, combining evasion mechanisms with encrypted command-and-control capabilities to maintain covert access on compromised systems. PDFSIDER’s infection chain originates through spear-phishing campaigns delivering ZIP archives containing…
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Security Bug in StealC Malware Panel Let Researchers Spy on Threat Actor Operations
Cybersecurity researchers have disclosed a cross-site scripting (XSS) vulnerability in the web-based control panel used by operators of the StealC information stealer, allowing them to gather crucial insights on one of the threat actors using the malware in their operations.”By exploiting it, we were able to collect system fingerprints, monitor active sessions, and in a…
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GhostPoster Malware Targets Chrome Users via 17 Rogue Extensions
A sophisticated malware campaign has compromised users of Chrome, Firefox, and Edge by deploying 17 malicious extensions that employ advanced steganography techniques to evade detection. Collectively downloaded more than 840,000 times, the GhostPoster operation represents one of the most technically mature and persistent browser extension threats documented to date. The GhostPoster campaign leverages an uncommon…
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GootLoader uses malformed ZIP files to bypass security controls
GootLoader malware uses malformed ZIP files made of hundreds of concatenated archives to evade detection. GootLoader is used by ransomware actors for initial access, then handed off to others. Built to evade detection, it accounted for 11% of bypassing malware in the past years. GootLoader runs on an access-a-as-a-service model, it is used by different groups to…
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GootLoader uses malformed ZIP files to bypass security controls
GootLoader malware uses malformed ZIP files made of hundreds of concatenated archives to evade detection. GootLoader is used by ransomware actors for initial access, then handed off to others. Built to evade detection, it accounted for 11% of bypassing malware in the past years. GootLoader runs on an access-a-as-a-service model, it is used by different groups to…
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 80
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Gogs 0-Day Exploited in the Wild SHADOW#REACTOR Text-Only Staging, .NET Reactor, and In-Memory Remcos RAT Deployment >>Untrustworthy Fund<<: targeted UAC-0190 cyberattacks against SOU using PLUGGYAPE (CERT-UA#19092) Hiding in Plain Sight: Deconstructing the Multi-Actor […]…
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PDFSIDER Malware – Exploitation of DLL Side-Loading for AV and EDR Evasion
First seen on resecurity.com Jump to article: www.resecurity.com/blog/article/pdfsider-malware-exploitation-of-dll-side-loading-for-av-and-edr-evasion
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News alert: AppGuard reopens insider program as AI-enhanced malware outpaces detection defenses
MCLEAN, Va., Jan.15, 2026, CyberNewswire, A new Top 10 Cybersecurity Innovators profile by AppGuard has been released, spotlighting growing concerns over AI-enhanced malware. AI makes malware even more difficult to detect. Worse, they use AI to assess, adapt, and… (more”¦) First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/01/news-alert-appguard-reopens-insider-program-as-ai-enhanced-malware-outpaces-detection-defenses/
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Verkauft, vernetzt, verwundbar: So landen Ihre Daten im Darknet
Dank Phishing, Malware oder Datenpannen bei Dritten geraten sensible Informationen schneller in falsche Hände, als vielen bewusst ist. Was Cyberkriminelle mit Ihren Daten tun, wie Sie den Schaden begrenzen können und worauf es beim Schutz Ihrer digitalen Identität jetzt ankommt. First seen on welivesecurity.com Jump to article: www.welivesecurity.com/de/privatsphare/verkauft-vernetzt-verwundbar-so-landen-ihre-daten-im-darknet/
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Gootloader now uses 1,000-part ZIP archives for stealthy delivery
The Gootloader malware, typically used for initial access, is now using a malformed ZIP archive designed to evade detection by concatenating up to 1,000 archives. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/gootloader-now-uses-1-000-part-zip-archives-for-stealthy-delivery/
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AsyncRAT Malware Infests Orgs via Python & Cloudflare
The phishing campaign shows how attackers continue to weaponize legitimate cloud services and open source tools to evade detection and gain trust. First seen on darkreading.com Jump to article: www.darkreading.com/endpoint-security/attackers-abuse-python-cloudflare-deliver-asyncrat
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Check Point Research: VoidLink Shows Cloud-Native Linux Malware Evolving
Check Point researchers say VoidLink shows how cloud-native Linux malware is evolving with stealthy, modular persistence. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/check-point-research-voidlink-shows-cloud-native-linux-malware-evolving/
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From typos to takeovers: Inside the industrialization of npm supply chain attacks
Tags: access, application-security, attack, automation, backdoor, blockchain, breach, control, credentials, cybersecurity, github, gitlab, malicious, malware, phishing, radius, risk, supply-chain, threat, update, wormFrom typo traps to legitimate backdoors: For years, typosquatting defined the npm threat model. Attackers published packages with names just close enough to popular libraries, such as “lodsash,” “expres,” “reacts,” and waited for automation or human error to do the rest. The impact was usually limited, and remediation straightforward.That model began to break in 2025.Instead…
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Sophisticated VoidLink malware framework targets Linux cloud servers
Cloud reconnaissance and adaptability: The malware was designed to detect whether it’s being executed on various cloud platforms such as AWS, GCP, Azure, Alibaba, and Tencent and then to start leveraging those vendors’ management APIs. The code suggests the developers plan to add detections for Huawei, DigitalOcean, and Vultr in the future.The malware collects extensive…
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Iran’s partial internet shutdown may be a windfall for cybersecurity intel
only available launchpads. A connection from the Ministry of Agriculture might not be a farmer. It’s likely a tunnel for a state actor who needs an exit node.”Ranjbar said the removal of the traffic from millions of routine Iranian business and residential users allows a powerful visibility into Iranian government traffic patterns, thereby allowing SOCs…
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New Linux malware targets the cloud, steals creds, and then vanishes
Cloud-native, 37 plugins “¦ an attacker’s dream First seen on theregister.com Jump to article: www.theregister.com/2026/01/14/voidlink_linux_malware/