Tag: malware
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Chrome Extension Hijacked to Push ClickFix Malware
A trusted Chrome extension was hijacked to strip browser protections, deploy ClickFix malware, and steal cryptocurrency and user data. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/chrome-extension-hijacked-to-push-clickfix-malware/
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APT37 combines cloud storage and USB implants to infiltrate air-gapped systems
North Korea-linked APT 37 used Zoho WorkDrive and USB malware to breach air-gapped networks in the Ruby Jumper campaign. North Korean group ScarCruft (aka APT37, Reaper, and Group123) deployed new tools in a campaign dubbed Ruby Jumper, using a backdoor that leverages Zoho WorkDrive for C2 and a USB-based implant to breach air-gapped systems. Zscaler ThreatLabz…
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MSHTML Zero-Day in Windows Exploited by APT28 Prior to Feb 2026 Security Update
Microsoft released its Patch Tuesday updates, addressing 59 vulnerabilities, including a critical zero-day flaw in the Windows MSHTML framework. Tracked as CVE-2026-21513, this actively exploited vulnerability allows attackers to bypass security features and execute arbitrary code. APT28 is a well-documented advanced persistent threat group known for sophisticated malware campaigns. Security researchers from Akamai discovered that…
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CISA Alerts on RESURGE Malware Exploiting Ivanti Connect Secure Zero-Days
The Cybersecurity and Infrastructure Security Agency (CISA) has released a Malware Analysis Report (MAR) detailing a new malware family dubbed RESURGE, which is actively exploiting a zero-day vulnerability in Ivanti Connect Secure devices. According to CISA, RESURGE builds upon the functionality of the earlier SPAWNCHIMERA malware strain, introducing new commands designed to enhance persistence and…
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Week in review: Self-spreading npm malware hits developers, Cisco SD-WAN 0-day exploited since 2023
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Identity verification systems are struggling with synthetic fraud Fake and … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/03/01/week-in-review-self-spreading-npm-malware-hits-developers-cisco-sd-wan-0-day-exploited-since-2023/
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QuickLens Chrome extension steals crypto, shows ClickFix attack
A Chrome extension named “QuickLens – Search Screen with Google Lens” has been removed from the Chrome Web Store after it was compromised to push malware and attempt to steal crypto from thousands of users. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/quicklens-chrome-extension-steals-crypto-shows-clickfix-attack/
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Hackers Exploit Windows File Explorer and WebDAV to Distribute Malware
Cybersecurity researchers at Cofense Intelligence have uncovered an ongoing campaign where threat actors abuse Windows File Explorer to distribute malware. By exploiting the legacy WebDAV protocol, attackers are tricking victims into downloading Remote Access Trojans (RATs) while bypassing traditional web browser security controls and some Endpoint Detection and Response (EDR) systems.”‹ WebDAV Exploit WebDAV (Web-based…
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New Menlo Security CEO Eyes Agentic AI Runtime Protection
Former Mandiant Executive Bill Robbins Targets Browser-Based AI Security Growth. New CEO Bill Robbins said Menlo Security will boost growth by focusing on securing agentic AI runtimes through the browser, leveraging its visibility into web sessions to prevent prompt injection, malware and data loss. He also plans to sustain 40% plus revenue growth and drive…
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Aeternum botnet hides commands in Polygon smart contracts
Aeternum botnet uses Polygon blockchain smart contracts for C&C, making its infrastructure harder to detect and disrupt. Qrator Labs researchers uncovered Aeternum, a botnet that runs its command-and-control infrastructure through smart contracts on the Polygon blockchain. By decentralizing its C2, the malware avoids traditional server-based takedowns and becomes far harder to disrupt or shut down,…
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Strengthening Identity Security: Real-World Credential Attack Detection with Seceon aiSIEM
Executive Overview Identity has become the primary attack surface in modern enterprise environments. Threat actors increasingly bypass traditional malware-based techniques and instead exploit compromised credentials to access cloud platforms, email systems, and business-critical applications. Credential abuse now drives ransomware campaigns, business email compromise, data exfiltration, and lateral movement within hybrid environments. Organizations must therefore detect…
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APT37 hackers use new malware to breach air-gapped networks
North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/apt37-hackers-use-new-malware-to-breach-air-gapped-networks/
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‘Resurge’ malware can remain undetected on devices
CISA previously issued an alert about attacks that exploited a vulnerability in Ivanti Connect Secure. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/cisa-resurge-malware-undetected-Ivanti/813373/
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CISA warns that RESURGE malware can be dormant on Ivanti devices
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released new details about RESURGE, a malicious implant used in zero-day attacks exploiting CVE-2025-0282 to breach Ivanti Connect Secure devices. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-warns-that-resurge-malware-can-be-dormant-on-ivanti-devices/
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The Cyber Express Weekly Roundup: Space Security, Malware Regulatory Alerts
In this week’s edition of The Cyber Express weekly roundup, some interesting news and cybersecurity stories share an interesting shift in the cyber domain. Critical developments span space cybersecurity, AI vulnerabilities, mobile malware, and global regulatory enforcement, highlighting how digital threats are becoming more sophisticated and interconnected. First seen on thecyberexpress.com Jump to article: thecyberexpress.com/tce-weekly-roundup-cybersecurity-updates/
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ScarCruft Uses Zoho WorkDrive and USB Malware to Breach Air-Gapped Networks
The North Korean threat actor known as ScarCruft has been attributed to a fresh set of tools, including a backdoor that uses Zoho WorkDrive for command-and-control (C2) communications to fetch more payloads and an implant that uses removable media to relay commands and breach air-gapped networks.The campaign, codenamed Ruby Jumper by Zscaler ThreatLabz, involves the…
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Dohdoor Malware Targets U.S. Schools and Healthcare with Multi-Stage Attack
A new backdoor dubbed Dohdoor is actively targeting schools and health care organizations in the United States through a stealthy multi-stage attack chain. UAT-10027 focuses on education and health care entities in the U.S., sectors that handle highly sensitive personal and medical data but often have limited security budgets and legacy systems. Cisco Talos assesses with low…
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Microsoft Defender Discovers Trojanized Gaming Utility Campaign Stealing Data with RATs
Microsoft Defender researchers have uncovered a new campaign that abuses trojanized gaming utilities to deliver multi”‘stage malware with remote access, data theft, and payload delivery capabilities. Attackers are masquerading as popular tools such as Xeno.exe and RobloxPlayerBeta.exe, tricking gamers into launching the malicious chain via downloads shared through web browsers and chat platforms. Once a…
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North Korean APT37 Unleashes Novel Malware to Target Air-Gapped Systems
North Korean threat group APT37 is using a new multi”‘stage toolset to jump air”‘gaps and conduct deep surveillance by abusing removable media, Ruby, and cloud services in a campaign Zscaler ThreatLabz tracks as “Ruby Jumper.””‹ The campaign’s main goal is to move data and commands between internet”‘connected and air”‘gapped systems while deploying powerful surveillance backdoors.…
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Preventing Breaches MFA on Remote Access to Linux, Unix, and Infrastructure Systems
Most breaches don’t start with malware or zero-day exploits. They start with a login. An attacker gets hold of a password, maybe through phishing, reuse, or a leaked credential dump. They test it against a remote system. An SSH prompt appears. The credentials work. From there, everything unfolds quietly privilege escalation, lateral movement, persistence. By the time anyone notices, the damage is already done. ……
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Emulating the Systematic LokiLocker Ransomware
AttackIQ has released a new attack graph that emulates the behaviors of LokiLocker ransomware, a .NET based strain active since at least mid-August 2021. The malware combines defense evasion and impact techniques, including disabling Task Manager and Windows Firewall, as well as deleting Volume Shadow Copies to hinder detection and prevent restoration. First seen on…
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China-linked hackers breached dozens of telecoms, government agencies
The cyberattacks used a clever technique: malware that hid in plain sight on Google Sheets. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/china-cyberattacks-telecommunications-google-sheets/813082/
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How to report suspicious activity to Spamhaus (with all the right info!)
Cybercriminals never rest but anyone can play a role in stopping them. Sharing malicious activity is one of the most important ways we can strengthen safety on the internet. Spamhaus Threat Intel Community brings individuals and organizations together to share threat data and block spam, phishing, and malware campaigns worldwide. Find out how you can…
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Phishing”‘Led Agent Tesla Campaign Uses Process Hollowing and Anti”‘Analysis to Evade Detection
Agent Tesla continues to cement its status as one of the most persistent remote access trojans (RATs) in the global threat landscape. Known for its data”‘stealing capabilities and extensive distribution network, this malware remains a weapon of choice for low”‘skilled cybercriminals seeking sophisticated results. The latest variant follows a multi”‘stage delivery sequence involving several fileless…
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What is Polymorphic Malware?
Malware continues to evolve, becoming more sophisticated and harder to detect. One of the most challenging types is polymorphic malware, malicious software that constantly changes its code to evade detection by traditional security systems. In a world where cyber threats are growing in scale and complexity, understanding how polymorphic malware works and how to… First…
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Hacker kompromittieren immer schneller
Tags: access, ai, crowdstrike, cyberattack, cybercrime, hacker, LLM, malware, north-korea, threat, toolDer Einsatz von KI-Tools macht Cyberangriffe nicht nur schneller, sondern erhöht auch die Taktzahl.Crowdstrike hat die aktuelle Ausgabe seines Global Threat Report veröffentlicht mit mehreren bemerkenswerten Erkenntnissen.So benötigte ein Angreifer im Jahr 2025 im Schnitt nur noch 29 Minuten, um sich vollständigen Zugriff auf ein Netzwerk zu verschaffen. Damit läuft die Kompromittierung rund 65 Prozent…
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Malicious Ads Bypass Google Ads Screening via New Campaign Platform Exploit
A sophisticated cloaking platform called 1Campaign, designed to help attackers run malicious Google Ads campaigns while evading detection. The service acts as a full”‘service infrastructure for malvertising, filtering out researchers and automated scanners to keep phishing and cryptocurrency drainer sites online for extended periods. Operated by a developer using the alias DuppyMeister, 1Campaign has been…
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New Dohdoor malware campaign targets education and health care
Cisco Talos discovered an ongoing malicious campaign since at least as early as December 2025 by a threat actor we track as “UAT-10027,” delivering a previously undisclosed backdoor dubbed “Dohdoor.” First seen on blog.talosintelligence.com Jump to article: blog.talosintelligence.com/new-dohdoor-malware-campaign/