TerminalFix Uses Fake Cloudflare CAPTCHAs to Deploy Reverse-Tunnel Backdoor

Security

Stories in this category, translated into Armenian and Russian

TerminalFix Uses Fake Cloudflare CAPTCHAs to Deploy Reverse-Tunnel Backdoor

Microsoft has disclosed details of a new ClickFix variant, dubbed TerminalFix, that aims to trick users into running a malicious command in Windows Terminal or PowerShell. "While traditional ClickFix campaigns direct victims to the Windows Run dialog, TerminalFix campaigns apply the same technique but direct users to Windows Terminal or PowerShell instead, increasing the likelihood that complex

The Hacker News · August 30, 2026

New GPUThor Rowhammer Defeats ECC on NVIDIA RTX A6000 to Gain Host Root Access

Academic researchers have disclosed a Rowhammer attack impacting NVIDIA workstation GPUs with GDDR6 memory that defeats error correction codes (ECC), the mitigation NVIDIA recommends against GPU Rowhammer, and enables denial-of-service (DoS) and privilege escalation to a root shell. Dubbed GPUThor, the attack was developed by researchers at the University of Toronto, who hammered four DRAM

Security Aug 27, 2026

CISA Adds Six Exploited Flaws to KEV, Including NetScaler, Linux, and SQL Server Bugs

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added six flaws to its Known Exploited Vulnerabilities (KEV) catalog, including a high-severity security vulnerability impacting Citrix NetScaler ADC and NetScaler Gateway, citing evidence of active exploitation. The vulnerabilities are listed below - CVE-2019-1068 - A remote code execution vulnerability in

Security Aug 26, 2026

FBI Disrupts China-Linked QTFY Infrastructure Used to Steal Data From U.S. Organizations

The U.S. Department of Justice (DoJ) on Wednesday announced the disruption of two hacking platforms named QScan and QTRouter operated by Chinese threat actors to target critical infrastructure and other sensitive networks in the country. The activity has been attributed to a Chinese state-sponsored group known as QTFY, employed by Nanjing Xinjiuwei Network Technology Company (南京鑫玖维网络科技有限公司).&

Security Aug 26, 2026

Nimbus Manticore Expands Toolset With TWOSTROKE-Like Backdoor and SSH Tunneler

Cybersecurity researchers have discovered additional infrastructure and previously undocumented malware associated with Nimbus Manticore, an Iranian state-sponsored hacking group affiliated with the Islamic Revolutionary Guard Corps (IRGC). Group-IB, in a new analysis published today, described the cyber espionage actor as among the most active Iranian APT groups in 2026. Nimbus Manticore (aka

Security Aug 26, 2026

NovaCookies Campaigns Abuse Genuine Docusign Notifications to Steal Microsoft 365 Sessions

Cybersecurity researchers have disclosed details of a new adversary-in-the-middle (AitM) phishing toolkit called NovaCookies that's used as a proxy to redirect Microsoft 365 sign-ins, while capturing authenticated sessions in the process. In a report shared with The Hacker News ahead of publication, Island characterized the $320/month service as a subscription-based phishing platform that

Security Aug 26, 2026

CISA Red Team Compromised Two Critical Infrastructure Orgs, One Detected Nothing

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published the results of two red team assessments it conducted simultaneously against two critical infrastructure organizations, using what it described as similar tradecraft while recording sharply different defensive outcomes. Both organizations were fully compromised at the domain level, and in both, the red team also

Security Aug 26, 2026

Unpatched Kaltura mwEmbed Flaws Could Let Remote Attackers Read Files and Run Code

The CERT Coordination Center (CERT/CC) has disclosed two unpatched vulnerabilities in Kaltura's HTML5 video player library that allow a remote, unauthenticated attacker to read arbitrary files from a server and execute code on it. The flaws, tracked as CVE-2026-19913 and CVE-2026-19912, both stem from the same unsafe deserialization in the mwEmbedLoader.php endpoint of the mwEmbed player

Security Aug 26, 2026

Imagine the SOC Without a Queue: From Alert Backlog to AI Hypothesis Engine

The SOC we've always known was built around a model that guarantees most of the alert queue will never receive analyst review. There's never time. In a traditional SOC, the typical progression follows a well-known pattern: an alert arrives; a detection engine assigns a severity score. The issue then waits for a human to decide if it should escalate to an investigation. Given the volume of

Security Aug 26, 2026

Claude Opus 4.6 Bypasses Gym Booking Limit, Cancels Other Users' Reservations in Tests

Aikido Security has published research that recreates the Australian gym-booking incident in a synthetic environment, finding that Claude Opus 4.6, running on the OpenClaw agent harness, exploited a client-side-only booking restriction in 9 of 10 runs. The original incident was first reported by ABC News on August 10, based on chat logs and screenshots the user supplied. He had asked an

Security Aug 26, 2026

OpenAI Bans Russian ChatGPT Accounts Used to Run Influence Operation

OpenAI on Tuesday said it banned a cluster of Russian ChatGPT accounts that used VPNs to bypass access restrictions and run an influence operation, which relied on its artificial intelligence (AI) tool to generate social media posts and comments that were shared on Substack, Telegram, X, Facebook and LinkedIn. The accounts "were being used to promote the International Burke Institute (IBI), a

Security Aug 26, 2026

INTERPOL Operation Jackal IV Arrests 58, Identifies 263 in Global Cyber Fraud Crackdown

An eight-month INTERPOL operation targeting West African organized crime groups has led to arrests of 58 people and the identification of 263 suspects. "The operation, which brought together 22 countries from six continents, is a response to the escalating global threat posed by West African criminal networks – such as the Black Axe and other similar groups," INTERPOL said. "These groups are

Security Aug 26, 2026

New SLEEPWALKER Backdoor Waits for One Crafted Packet, Then Runs Its Own Bytecode

An independent malware researcher has documented a previously unreported Windows backdoor, dubbed SLEEPWALKER, that stays inert in memory until a specifically crafted network packet reaches the machine and then runs commands written in a 23-instruction language of its own design. The sample is an unsigned 64-bit Windows dynamic-link library (DLL) of 59,904 bytes, built to be side-loaded into&

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