Operation Poseidon is a sophisticated spear-phishing campaign attributed to the Konni APT group. The attackers exploit Google Ads redirection mechanisms to bypass security filters and user awareness. They compromise poorly secured WordPress sites for malware distribution and C2 infrastructure. The campaign uses social engineering tactics, impersonating North Korean human rights organizations and financial institutions. Malware is delivered through LNK files disguised as PDF documents, executing AutoIt scripts that load EndRAT variants. The attackers employ advanced evasion techniques, including email content padding and abuse of legitimate advertising URLs. The campaign demonstrates evolving tactics and infrastructure reuse consistent with previous Konni activities.
Nicholas Moore pleaded guilty to repeatedly hacking the U.S. Supreme Court’s filing system and illegally accessing computer systems belonging to AmeriCorps and the Department of Veterans Affairs. The post Tennessee Man Pleads Guilty to Repeatedly Hacking Supreme Court’s Filing System appeared first on SecurityWeek .
CastleLoader is a sophisticated malware loader designed to deliver and install malicious components, primarily targeting government entities and critical infrastructure. It employs a multi-stage execution chain involving Inno Setup, AutoIt, and process hollowing to evade detection. The loader delivers information stealers and RATs, enabling credential theft and persistent access. The analysis reveals its stealthy nature, relying on memory-only payloads and API resolution via hashing. The malware's configuration, including C2 infrastructure, was extracted through reverse engineering, providing high-confidence indicators of compromise for detection and analysis.
Turla's Kazuar v3 loader employs sophisticated techniques to evade detection. It uses a VBScript to drop files and execute a native loader, which bypasses security measures and leverages COM for stealth. The loader utilizes control flow redirection, patchless ETW and AMSI bypasses, and COM integration to decrypt and execute three Kazuar v3 payloads (KERNEL, WORKER, BRIDGE) in memory. The attack chain is designed to be resilient and stealthy, exploiting trusted system processes to avoid detection. The malware uses modular architecture and COM subsystem integration to maintain a low profile while carrying out its malicious activities.
A targeted malware campaign against U.S.government entities has been observed, utilizing a politically themed ZIP archive containing a loader executable and a malicious DLL. The DLL functions as a backdoor named LOTUSLITE, communicating with a hard-coded command-and-control server. The campaign demonstrates minimal technical sophistication but shows deliberate victim selection and use of geopolitical lures. Attribution analysis suggests moderate-confidence overlap with Mustang Panda tradecraft, including delivery style, loader-DLL separation, and infrastructure usage. The backdoor supports basic remote tasking and data exfiltration, indicating an espionage-focused capability. This activity reflects a trend of targeted spear phishing using geopolitical themes and reliable execution techniques like DLL sideloading.
Hackers stole the personal and reservation information of people with a Eurail pass and those who made a seat reservation with the company. The post Traveler Information Stolen in Eurail Data Breach appeared first on SecurityWeek .
The Predator spyware is more sophisticated and dangerous than previously realized. The post Predator Spyware Turns Failed Attacks Into Intelligence for Future Exploits appeared first on SecurityWeek .
AI will assist companies in finding their external attack surface, but it will also assist bad actors in locating and attacking the weak points. The post Cyber Insights 2026: External Attack Surface Management appeared first on SecurityWeek .
The 44-year-old individual planted remote access malware on a logistics firm’s systems, with help from employees. The post Dutch Port Hacker Sentenced to Prison appeared first on SecurityWeek .
Threat actors exploited Cloudflare's free-tier infrastructure and Python environments to deploy AsyncRAT, demonstrating advanced evasion techniques. The attack begins with phishing emails containing Dropbox links to malicious files. It uses legitimate Python downloads and sophisticated code injection targeting explorer.exe. The campaign ensures persistence through multiple vectors, including startup folder scripts and WebDAV mounting. It abuses trusted infrastructure like Cloudflare to mask activities and evade detection. The attackers employ social engineering tactics, such as displaying legitimate PDF documents, to reduce suspicion. This campaign highlights the trend of abusing cloud services for malware delivery and execution, emphasizing the need for multi-layered security approaches.
APT28 was seen impersonating popular webmail and VPN services, including Microsoft OWA, Google, and Sophos VPN portals. The post Russia’s APT28 Targeting Energy Research, Defense Collaboration Entities appeared first on SecurityWeek .
The Knownsec leak exposes a state-aligned Chinese cyber contractor deeply integrated with national security and intelligence operations. Internal documents reveal Knownsec's role in developing offensive cyber capabilities, large-scale reconnaissance systems, and data fusion platforms for public security bureaus and military clients. Key products include ZoomEye for global IP scanning, GhostX for exploitation, and Passive Radar for covert network mapping. The leak provides unprecedented insight into Knownsec's organizational structure, personnel, and strategic targeting of foreign critical infrastructure, particularly in Taiwan and other Asian countries. It demonstrates how commercial entities like Knownsec function as core components of China's cyber-espionage ecosystem, blending state objectives with industrial-scale development of intrusion and surveillance technologies.
Other noteworthy stories that might have slipped under the radar: Jaguar Land Rover sales crash, hundreds of gen-AI data policy violations, and Chinese cyberattacks against Taiwan intensified. The post In Other News: 8,000 Ransomware Attacks, China Hacked US Gov Emails, IDHS Breach Impacts 700k appeared first on SecurityWeek .
The North Korean state-sponsored espionage group Kimsuky has targeted government organizations, think tanks, and academic institutions. The post FBI: North Korean Spear-Phishing Attacks Use Malicious QR Codes appeared first on SecurityWeek .
The PHALT#BLYX campaign targets the hospitality sector using sophisticated social engineering and advanced techniques. It begins with a phishing email mimicking a Booking.com reservation cancellation, leading victims to a fake website. Users are tricked into executing malicious PowerShell commands through a fake BSOD and click-fix social engineering tactic. The malware leverages MSBuild.exe to bypass defenses and deploys a customized DCRat payload. It establishes persistence, disables Windows Defender, and uses process hollowing to inject into legitimate processes. The campaign shows evolution from earlier, simpler methods and demonstrates a deep understanding of modern endpoint protection. Attribution points to Russian-speaking threat actors, given the presence of Cyrillic debug strings and the use of DCRat, a popular tool in Russian underground forums.
