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JavaScript

Researchers Detail Multistage Attack Hijacking Systems with SSLoad, Cobalt Strike

Cybersecurity researchers have discovered an ongoing attack campaign that’s leveraging phishing emails to deliver malware called SSLoad. The campaign, codenamed FROZEN#SHADOW by Securonix, also involves the deployment of Cobalt Strike and the ConnectWise ScreenConnect remote desktop software. “SSLoad is designed to stealthily infiltrate systems, gather sensitive information and transmit its findings back to its operators,” […]

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Sneaky Credit Card Skimmer Disguised as Harmless Facebook Tracker

Cybersecurity researchers have discovered a credit card skimmer that’s concealed within a fake Meta Pixel tracker script in an attempt to evade detection. Sucuri said that the malware is injected into websites through tools that allow for custom code, such as WordPress plugins like Simple Custom CSS and JS or the “Miscellaneous Scripts” section of […]

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Hacked WordPress Sites Abusing Visitors’ Browsers for Distributed Brute-Force Attacks

Threat actors are conducting brute-force attacks against WordPress sites by leveraging malicious JavaScript injections, new findings from Sucuri reveal. The attacks, which take the form of distributed brute-force attacks, “target WordPress websites from the browsers of completely innocent and unsuspecting site visitors,” security researcher Denis Sinegubko said. The activity is part of a previously documented […]

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New Backdoor Targeting European Officials Linked to Indian Diplomatic Events

A previously undocumented threat actor dubbed SPIKEDWINE has been observed targeting officials in European countries with Indian diplomatic missions using a new backdoor called WINELOADER. The adversary, according to a report from Zscaler ThreatLabz, used a PDF file in emails that purported to come from the Ambassador of India, inviting diplomatic staff to a wine-tasting […]

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Balada Injector Infects Over 7,100 WordPress Sites Using Plugin Vulnerability

Thousands of WordPress sites using a vulnerable version of the Popup Builder plugin have been compromised with a malware called Balada Injector. First documented by Doctor Web in January 2023, the campaign takes place in a series of periodic attack waves, weaponizing security flaws WordPress plugins to inject backdoor designed to redirect visitors of infected […]

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CERT-UA Uncovers New Malware Wave Distributing OCEANMAP, MASEPIE, STEELHOOK

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new phishing campaign orchestrated by the Russia-linked APT28 group to deploy previously undocumented malware such as OCEANMAP, MASEPIE, and STEELHOOK to harvest sensitive information. The activity, which was detected by the agency between December 15 and 25, 2023, targeted Ukrainian government entities and […]

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New JavaScript Malware Targeted 50,000+ Users at Dozens of Banks Worldwide

A new piece of JavaScript malware has been observed attempting to steal users’ online banking account credentials as part of a campaign that has targeted more than 40 financial institutions across the world. The activity cluster, which employs JavaScript web injections, is estimated to have led to at least 50,000 infected user sessions spanning North […]

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NetSupport RAT Infections on the Rise – Targeting Government and Business Sectors

Threat actors are targeting the education, government and business services sectors with a remote access trojan called NetSupport RAT. “The delivery mechanisms for the NetSupport RAT encompass fraudulent updates, drive-by downloads, utilization of malware loaders (such as GHOSTPULSE), and various forms of phishing campaigns,” VMware Carbon Black researchers said in a report shared with The […]

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Over 3 Dozen Data-Stealing Malicious npm Packages Found Targeting Developers

Nearly three dozen counterfeit packages have been discovered in the npm package repository that are designed to exfiltrate sensitive data from developer systems, according to findings from Fortinet FortiGuard Labs. One set of packages – named @expue/webpack, @expue/core, @expue/vue3-renderer, @fixedwidthtable/fixedwidthtable, and @virtualsearchtable/virtualsearchtable – harbored an obfuscated JavaScript file that’s capable of gathering valuable secrets. This […]

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Node.js Users Beware: Manifest Confusion Attack Opens Door to Malware

The npm registry for the Node.js JavaScript runtime environment is susceptible to what’s called a manifest confusion attack that could potentially allow threat actors to conceal malware in project dependencies or perform arbitrary script execution during installation. “A npm package’s manifest is published independently from its tarball,” Darcy Clarke, a former GitHub and npm engineering […]

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Powerful JavaScript Dropper PindOS Distributes Bumblebee and IcedID Malware

A new strain of JavaScript dropper has been observed delivering next-stage payloads like Bumblebee and IcedID. Cybersecurity firm Deep Instinct is tracking the malware as PindOS, which contains the name in its “User-Agent” string. Both Bumblebee and IcedID serve as loaders, acting as a vector for other malware on compromised hosts, including ransomware. A recent […]

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Australian Healthcare Sector Targeted in Latest Gootkit Malware Attacks

A recent wave of Gootkit malware loader attacks has targeted the Australian healthcare sector by leveraging legitimate tools like VLC Media Player. Gootkit, also called Gootloader, is known to employ search engine optimization (SEO) poisoning tactics (aka spamdexing) for initial access. It typically works by compromising and abusing legitimate infrastructure and seeding those sites with […]

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Hackers Using Fake DDoS Protection Pages to Distribute Malware

WordPress sites are being hacked to display fraudulent Cloudflare DDoS protection pages that lead to the delivery of malware such as NetSupport RAT and Raccoon Stealer. “A recent surge in JavaScript injections targeting WordPress sites has resulted in fake DDoS prevent prompts which lead victims to download remote access trojan malware,” Sucuri’s Ben Martin said […]

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A Large-Scale Supply Chain Attack Distributed Over 800 Malicious NPM Packages

A threat actor dubbed “RED-LILI” has been linked to an ongoing large-scale supply chain attack campaign targeting the NPM package repository by publishing nearly 800 malicious modules. “Customarily, attackers use an anonymous disposable NPM account from which they launch their attacks,” Israeli security company Checkmarx said. “As it seems this time, the attacker has fully-automated […]

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25 Malicious JavaScript Libraries Distributed via Official NPM Package Repository

Another batch of 25 malicious JavaScript libraries have made their way to the official NPM package registry with the goal of stealing Discord tokens and environment variables from compromised systems, more than two months after 17 similar packages were taken down. The libraries in question leveraged typosquatting techniques and masqueraded as other legitimate packages such […]

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