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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

GrayCharlie, a threat actor active since mid-2023, compromises WordPress sites to inject links redirecting visitors to NetSupport RAT payloads via fake browser updates or ClickFix mechanisms. These infections often lead to Stealc and SectopRAT deployments. The group's infrastructure is primarily linked to MivoCloud and HZ Hosting Ltd. A cluster of US law firm sites was compromised around November 2025, possibly through a supply-chain attack. GrayCharlie uses two main attack chains: one involving fake browser updates and another using ClickFix-style lures. The group's objectives appear to focus on data theft and financial gain, with potential access selling to other threat actors.

GrayCharlie is a cybercriminal group active since mid-2023 that targets WordPress websites, with a focus on law firm sites, through suspected supply-chain attacks. The group compromises legitimate WordPress sites by injecting malicious links that redirect visitors to payloads of the NetSupport Remote Access Trojan (RAT). These payloads are delivered via social engineering lures such as fake browser update prompts or ClickFix-style notifications, which trick users into executing malware. Once infected, victims may also be compromised by additional malware including Stealc, a credential and data stealer, and SectopRAT, a remote access tool. The attack infrastructure is tied to hosting providers MivoCloud and HZ Hosting Ltd, indicating a possible use of cloud-based resources to host malicious payloads and command-and-control servers. The group employs multiple attack chains leveraging techniques such as exploitation of WordPress vulnerabilities (T1190), use of remote services (T1021), persistence mechanisms (T1547), and credential access (T1078). The primary objectives appear to be data theft and financial gain, with indications that access to compromised environments may be sold to other threat actors. The November 2025 compromise of a cluster of US law firm sites highlights the potential for supply-chain style attacks targeting trusted websites to distribute malware. Although no CVSS score is assigned, the threat’s complexity, use of social engineering, and targeting of sensitive legal sector data underscore its significance. The attack requires user interaction to execute the fake updates but does not require prior authentication, increasing the attack surface. The lack of known exploits in the wild suggests the threat is currently limited but evolving.

Detailed information about Law Firm Sites Hijacked in Suspected Supply-Chain Attack. Get real-time updates, technical details, and mitigation strategies.

Law Firm Sites Hijacked in Suspected Supply-Chain Attack - Live Threat Intelligence - Threat Radar | OffSeq.com

Law Firm Sites Hijacked in Suspected Supply-Chain Attack

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