Cobalt Strike
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Researchers say Chinese-speaking group UAT-8099 uses IIS servers for global SEO fraud
Researchers say a Chinese-speaking group dubbed UAT-8099 has been exploiting Microsoft IIS servers to run SEO fraud and steal credentials and certificate data, using web shells, Cobalt Strike and a modified BadIIS backdoor across targets in Asia and the Americas.
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Chinese state-sponsored group RedNovember exploited enterprise network gear in global campaign, researchers say
Recorded Future says a Chinese state-sponsored group called RedNovember ran a global espionage campaign from June 2024 to July 2025, exploiting vulnerabilities in enterprise network appliances to breach defense contractors, government agencies and other organizations and using publicly available tools to maintain persistent access.
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CountLoader: New Russian-linked malware loader broadens post-exploitation toolkit, researchers warn
Cybersecurity researchers have identified CountLoader, a new malware loader used by Russian ransomware groups to deliver post-exploitation tools such as Cobalt Strike, AdaptixC2, and the PureHVNC RAT. The loader, observed in variants across .NET, PowerShell, and JavaScript, targets Ukrainian users with PDF phishing lures and features a BrowserVenom proxy capability, multiple download/execution methods, and a…
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Noisy Bear Linked to Kazakh Energy Sector in Operation BarrelFire, Seqrite Says
Security researchers attribute a new campaign, Operation BarrelFire, to the Noisy Bear group, targeting Kazakhstan’s KazMunayGas with phishing lures and a DLL-based implant designed to deliver a reverse shell, amid broader regional cyberactivity and training-misinterpreted reports.
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ShadowSilk Expands Target Reach to Central Asia and APAC Government Agencies, 36 Victims Identified, Group-IB Says
A new threat cluster named ShadowSilk has targeted government entities across Central Asia and the Asia-Pacific region, with Group-IB reporting 36 identified victims. The operation blends Russian- and Chinese-speaking actors, uses spear-phishing and Telegram-based C2, and leverages a broad toolkit to exfiltrate data from government networks.
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Taiwan Web Infrastructure Targeted by UAT-7237, Cisco Talos Says
Cisco Talos links a China-aligned APT cluster, UAT-7237, to attacks on Taiwan’s web infrastructure, using customized open-source tooling and a SoundBill shellcode loader to deploy backdoors and credentials-stealing utilities. The operation, active since 2022 and considered a sub-group of UAT-5918, also employs VPN persistence and RDP access, with updates to embed Mimikatz and broader lateral…
