Tag: malicious
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Malicious sites use JavaScript to build malware in browser memory
A massive malvertising campaign is using fake Solana, Luno, and TradingView webpages with malicious JavaScript that instructs browsers to assemble malware directly in memory. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/malicious-sites-use-javascript-to-build-malware-in-browser-memory/
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Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available
Security firms ThreatBook and Imperva say attackers are targeting a critical flaw in Fastjson, Alibaba’s JSON library for Java. In affected Spring Boot applications, a malicious JSON request can execute code without authentication, with the privileges of the Java process.Tracked as CVE-2026-16723, the vulnerability carries an Alibaba-assigned CVSS score of 9.0. The confirmed chain requires…
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Russian Espionage Hackers Hit Zimbra With Half-Click Attacks
Tags: attack, cyberespionage, cybersecurity, data, email, espionage, hacker, malicious, russia, update, vulnerabilityViewing Malicious Email in Vulnerable Webmail Client Triggers Data-Stealing Attack. Russian cyberespionage hackers are targeting a vulnerability in Zimbra Collaboration Suite – a patch is available – that enables them to execute a malicious, data- and email-stealing script simply if a user of a vulnerable client opens their email, warn Western cybersecurity agencies. First seen…
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Slopsquatting, Phantom Domains, and HalluSquatting Are the Same AI Attack
Slopsquatting, phantom squatting, and HalluSquatting all exploit the same late-binding attack pattern, where AI coding agents trust hallucinated package, repo, or domain names. ActiveState explains how pre-fetch verification and governed dependency management can help stop these attacks before malicious code enters the pipeline. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/slopsquatting-phantom-domains-and-hallusquatting-are-the-same-ai-attack/
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Hotel Wi-Fi DNS Poisoning Attacks Hijack Microsoft 365 Accounts Without Phishing
Adversaries are silently hijacking Microsoft 365 accounts by compromising hotel and conference-center Wi-Fi gateways and poisoning DNS no phishing emails, malicious attachments, or endpoint malware required. ReliaQuest assesses that the tradecraft closely mirrors prior APT28-linked router campaigns, extending them into captive-portal infrastructure used by traveling corporate staff. Since at least June 2026, threat actors have…
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Fake Notepad++ Plugin Delivers MATCHBOIL.V2 in UAC-0099 Attacks
The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new campaign that involves the use of a malicious program that’s dressed up as a Notepad++ plugin to compromise Windows systems.The activity has been attributed by the agency to a threat cluster it tracks as UAC-0099, a Russia-aligned group that has previously observed…
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Hackers Weaponize Notepad++ Plugins to Silently Infect Windows Systems
CERT-UA has issued a warning regarding the UAC-0099 threat cluster, which has revised its malware delivery method by exploiting the legitimate Notepad++ application to load a malicious DLL disguised as a plugin. This campaign, observed since mid-summer 2026, introduces two newly identified tools, LUNCHPOKE and BURNYBEAR, along with an updated MATCHBOIL.V2 loader. This activity highlights…
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136 Malicious RubyGems Packages Deploy XMRig Miner and Spread via SSH
A large-scale supply chain attack has flooded RubyGems with 136 trojanized packages that deploy an XMRig Monero miner and self-propagate via SSH, underscoring systemic weaknesses in language ecosystems beyond npm and PyPI. On July 22, 2026, researchers Moe Ghasemisharif, Ruian Duan, Zhanhao Chen, and Daiping Liu documented a coordinated cryptojacking campaign abusing RubyGems as the…
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Hackers abuse Notepad++ plugins to stealthily install malware
Ukraine’s CERT has uncovered attacks distributing an archive containing the legitimate Notepad++ application and a malicious utility called LunchPoke disguised as a plugin to establish persistence. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/hackers-abuse-notepad-plus-plus-plugins-to-stealthily-install-malware/
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Attackers Weaponize GitHub Actions Runners to Target cPanel and WHM Servers
Cybersecurity researchers have shed light on a large-scale campaign that has turned compromised GitHub repositories into distributed attack infrastructure designed to target cPanel and WebHost Manager (WHM) instances.The activity involves malicious Packagist development versions spanning 10 packages associated with a legitimate PHP and DevOps developer, dinushchathurya, between July 12 and 13, First seen on thehackernews.com…
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Critical FreeRDP Clipboard Flaw Could Let Malicious RDP Servers Execute Code
A critical heap buffer overflow vulnerability in FreeRDP’s Windows client could allow a malicious Remote Desktop Protocol (RDP) server to corrupt memory and potentially execute arbitrary code on a connecting client. This flaw specifically affects the Clipboard Redirection (CLIPRDR) virtual channel in wfreerdp, where an attacker-controlled response can exceed the size that the client originally…
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Hackers Turn GitHub Actions Into a Global Botnet for Attacking Web Hosting Servers
Hackers are abusing compromised GitHub repositories and GitHub Actions workflows to build a de facto global botnet that scans and exploits web hosting servers, with a primary focus on cPanel and WHM deployments. The campaign first surfaced when malicious development versions were discovered across ten Packagist PHP packages tied to a legitimate PHP and DevOps…
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FakeAgent Campaign: Malicious Claude Artifact Used to Distribute SectopRAT to 29 Organisations
Researchers at Huntress have disclosed a malvertising campaign that abused a public artifact hosted on Anthropic’s own claude.ai domain to distribute the SectopRAT information-stealing Trojan, compromising at least 29 organisations in the space of two days. The campaign, which Huntress has named FakeAgent, ran between 21 and 22 July 2026. Victims searching for >>Claude Desktop…
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Critical Adobe Acrobat Chrome Extension Flaw “HermeticReader” Lets Hackers Hijack WhatsApp Chats of 300M+ Users
Guardio Labs has disclosed a critical vulnerability chain in the Adobe Acrobat Chrome extension that could allow a malicious website to hijack and exfiltrate rendered WhatsApp Web data from affected users. This vulnerability is tracked as CVE-2026-48294 and has impacted Adobe Acrobat extension version 26.5.2. The extension is installed across approximately 329 million browsers. Adobe…
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Attackers Are Learning to Live Off the AI Toolchain
Sandworm_Mode is an early example of malware that exploits trusted AI tools and workflows to make malicious activity virtually indistinguishable from normal activity. First seen on darkreading.com Jump to article: www.darkreading.com/cyber-risk/attackers-live-off-ai-toolchain
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Fake Bahrain Alert App Deploys Android Surveillance Malware
A malicious application delivers four-stage Android spyware via phony Google Play sites, exploiting civilian fear during Iranian missile strikes. First seen on darkreading.com Jump to article: www.darkreading.com/mobile-security/fake-bahrain-alert-apps-android-surveillance-malware
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Adobe Acrobat Extension Flaw Let Malicious Sites Read WhatsApp Web Data
Cybersecurity researchers have disclosed details of a now-patched vulnerability chain in the Adobe Acrobat Chrome extension that has over 314 million users, which, if exploited, could facilitate a silent hijack of a user’s WhatsApp data.The shortcoming has been codenamed HermeticReader by Guardio Labs. It’s officially tracked as CVE-2026-48294 (CVSS score: 7.4), with the vulnerability First…
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Malicious NuGet Typosquat Targets Digitain Betting Platform and Rigs Game Results
JFrog Security Research has disclosed a precision supply-chain attack in which a typosquatted NuGet package, Newtonsoftt.Json.Net, impersonated the ubiquitous Newtonsoft.Json library while secretly rigging game outcomes at online betting operator Digitain. Unlike typical info-stealers that harvest credentials indiscriminately, this trojan functions as a fully operational JSON library for every host except its single intended target.…
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When AI Attacks: OpenAI Models Autonomously Hack Hugging Face
Advanced LLMs escaped their sandboxes while attempting to achieve a non-malicious benchmark test objective. First seen on darkreading.com Jump to article: www.darkreading.com/cyber-risk/openai-models-autonomously-hack-hugging-face
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SleeperGem attack targets Ruby ecosystem with malicious gems
First seen on scworld.com Jump to article: www.scworld.com/brief/sleepergem-attack-targets-ruby-ecosystem-with-malicious-gems
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FakeGit campaign uses 7,600 GitHub repos to push SmartLoader malware
A large-scale operation dubbed ‘FakeGit’ is pushing SmartLoader and StealC malware through 7,600 malicious GitHub repositories that accumulated more than 14 million downloads. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/fakegit-campaign-uses-7-600-github-repos-to-push-smartloader-malware/
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Critical wp2shell WordPress flaws exploited to install webshells
Hackers are exploiting the “wp2shell” critical vulnerability suite (CVE-2026-63030 and CVE-2026-60137) affecting WordPress Core to deploy persistent webshells and install malicious plugins on affected servers. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/critical-wp2shell-wordpress-flaws-exploited-to-install-webshells/
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AI agents tricked into recommending malicious GitHub repositories
Roughly 7,600 malicious GitHub repositories were uncovered, more than 800 of them posing as AI Skills or Model Context Protocol (MCP) servers, in a wave that peaked in April … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/07/21/github-repos-malware-campaign-fakegit-ai-agents/
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Hackers Abuse Ethereum Smart Contracts to Hide Amatera Stealer C2 Servers
Hackers are increasingly abusing decentralized infrastructure and legitimate development frameworks to evade detection, with a newly observed campaign leveraging Ethereum smart contracts to conceal command-and-control (C2) endpoints for the Amatera Stealer infostealer. These lures are propagated عبر malicious websites, file-sharing platforms such as Google Drive, MEGA, GoFile, and Wormhole, and spoofed download portals designed to…
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Ukraine warns fake CAPTCHAs are being used to make you hack yourself
Ukraine’s computer emergency response team, CERT-UA, has warned that the Kremlin-backed Sandworm hacking group is leveraging fake CAPTCHA checks on compromised websites that persuade users to run malicious code. First seen on bitdefender.com Jump to article: www.bitdefender.com/en-us/blog/hotforsecurity/ukraine-fake-captchas-hack-yourself
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AsyncAPI Supply Chain Attack Deploys Miasma Backdoor Through Trusted npm Workflows
AsyncAPI’s npm ecosystem suffered a coordinated supply chain compromise on July 14, 2026, delivering a Miasma”‘associated Node.js backdoor through trusted GitHub Actionsdriven release workflows and exposing high”‘value developer and CI/CD environments to remote access, credential theft, and further lateral movement. Malicious versions were shipped for @asyncapi/generator@3.3.1, @asyncapi/generator-helpers@1.1.1, @asyncapi/generator-components@0.7.1, and @asyncapi/specs@6.11.2 and 6.11.2-alpha.1, together accounting for…
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HOLLOWGRAPH Malware Turns Microsoft 365 Calendar Events Into Covert CommandControl Channels
HOLLOWGRAPH, a Windows malware implant that transforms Microsoft 365 calendar events into a covert command-and-control channel. This malware, which is highly likely linked to the Cavern modular backdoor framework, utilizes the Microsoft Graph API to retrieve tasks from operators and to exfiltrate stolen data via a compromised Microsoft 365 mailbox. This technique enables malicious communications…
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Hackers Hide C2 Traffic Inside Telegram While Targeting Middle East Governments
Hackers are increasingly blending malicious traffic with legitimate services, and a newly uncovered campaign shows how far this tactic has evolved. The activity has been attributed to a threat actor with links to East Asia, with researchers uncovering a previously undocumented malware suite comprising TELESHIM, MIXEDKEY, and a final-stage implant dubbed BINDCLOAK. The campaign demonstrates…
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Hackers Hide C2 Traffic Inside Telegram While Targeting Middle East Governments
Hackers are increasingly blending malicious traffic with legitimate services, and a newly uncovered campaign shows how far this tactic has evolved. The activity has been attributed to a threat actor with links to East Asia, with researchers uncovering a previously undocumented malware suite comprising TELESHIM, MIXEDKEY, and a final-stage implant dubbed BINDCLOAK. The campaign demonstrates…