Hijack
GhostPoster attacks hide malicious JavaScript in Firefox addon logos
A new campaign dubbed ‘GhostPoster’ is hiding JavaScript code in the image logo of malicious Firefox extensions with more than 50,000 downloads, to monitor browser activity and plant a backdoor. The malicious code grants operators persistent high-privilege access to the browser, enabling them to hijack affiliate links, inject tracking code, and commit click and ad fraud. […]
Hackers hijack npm packages with 2 billion weekly downloads in supply chain attack
In a supply chain attack, attackers injected malware into NPM packages with over 2.6 billion weekly downloads after compromising a maintainer’s account in a phishing attack. Josh Junon (qix), the package maintainer whose accounts were hijacked in this supply-chain attack, confirmed the incident earlier today, stating that he was aware of the compromise and adding that the phishing email […]
Silk Typhoon hackers hijack network captive portals in diplomat attacks
State-sponsored hackers linked to the Silk Typhoon activity cluster targeted diplomats by hijacking web traffic to redirect to a malware-serving website. The hackers used an advanced adversary-in-the-middle (AitM) technique to hijack the captive portal of the network and send the target to the first-stage malware. Google Threat Intelligence Group (GTIG) tracks the threat actor as UNC6384 and, based […]
PyPI now blocks domain resurrection attacks used for hijacking accounts
The Python Package Index (PyPI) has introduced new protections against domain resurrection attacks that enable hijacking accounts through password resets. PyPI is the official repository for open-source Python packages. It is used by software developers, product maintainers, and companies working with Python libraries, tools, and frameworks. Accounts of project maintainers publishing software on PyPI are […]
Over 1,000 CrushFTP servers exposed to ongoing hijack attacks
Over 1,000 CrushFTP instances currently exposed online are vulnerable to hijack attacks that exploit a critical security bug, providing admin access to the web interface. The security vulnerability (CVE-2025-54309) is due to mishandled AS2 validation and impacts all CrushFTP versions below 10.8.5 and 11.3.4_23. The vendor tagged the flaw as actively exploited in the wild on July 19th, noting that […]
Popular npm linter packages hijacked via phishing to drop malware
Popular JavaScript libraries were hijacked this week and turned into malware droppers, in a supply chain attack achieved via targeted phishing and credential theft. The npm package eslint-config-prettier, downloaded over 30 million times weekly, was compromised after its maintainer fell victim to a phishing attack. Other packages, namely eslint-plugin-prettier, synckit, @pkgr/core, and napi-postinstall from the same maintainer, were also targeted. The attacker(s) used stolen […]
Discord flaw lets hackers reuse expired invites in malware campaign
Hackers are hijacking expired or deleted Discord invite links to redirect users to malicious sites that deliver remote access trojans and information-stealing malware. The campaign relies on a flaw in the Discord invitation system to leverage multi-stage infections that evade multiple antivirus engines. “Reviving” expired Discord invites Discord invite links are URLs that allow someone to join […]
Infostealer campaign compromises 10 npm packages, targets devs
Ten npm packages were suddenly updated with malicious code yesterday to steal environment variables and other sensitive data from developers’ systems. The campaign targeted multiple cryptocurrency-related packages, and the popular ‘country-currency-map’ package was downloaded thousands of times a week. The malicious code was discovered by Sonatype researcher Ali ElShakankiry and is found in two heavily obfuscated […]
MassJacker malware uses 778,000 wallets to steal cryptocurrency
A newly discovered clipboard hijacking operation dubbed ‘MassJacker’ uses at least 778,531 cryptocurrency wallet addresses to steal digital assets from compromised computers. According to CyberArk, who discovered the MassJacker campaign, roughly 423 wallets linked to the operation contained $95,300 at the time of the analysis, but historical data suggests more significant transactions. Also, there’s a single […]
Over 4,000 backdoors hijacked by registering expired domains
Over 4,000 abandoned but still active web backdoors were hijacked and their communication infrastructure sinkholed after researchers registered expired domains used for commanding them. Some of the live malware (web shells) was deployed on web servers of high-profile targets, including government and university systems, ready to execute commands from anyone who tool control of the communication […]