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UAC-0099 Refines MATCHBOIL Malware With Cloudflare-Hidden Servers to Hit Ukrainian Organizations

10 October 2026  |  dark6  |  Malware

ESET researchers have detailed how the UAC-0099 threat group has evolved its MATCHBOIL downloader with Cloudflare-concealed command servers, stronger code obfuscation, and anti-analysis checks. Victims span transportation, manufacturing,...

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Nine-Day Scanning Surge Targets Unpatched Hikvision Cameras Across Ukraine

9 October 2026  |  dark6  |  Vulnerability

GreyNoise logged a sharp nine-day spike in scanning and exploitation attempts against internet-exposed Hikvision cameras in Ukraine, almost all aimed at the four-year-old, maximum-severity CVE-2021-36260 command injection flaw....

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Konni-Linked Espionage Campaign Uses Fake PDFs to Target Ukraine-Focused Groups

25 September 2026  |  dark6  |  Spyware

A campaign dubbed Operation Conflict Compass uses PDF-themed Windows shortcuts and a downloader called VelvetCake against people working on Ukraine-related issues. Researchers link the operation to the North...

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Russia’s Turla APT Deploys STOCKSTAY Backdoor Against Ukrainian Government and Military Targets

30 June 2026  |  dark6  |  Cybercrime

Russia-linked Turla (FSB Center 16) has been running a long-running espionage campaign deploying a new .NET backdoor called STOCKSTAY against Ukrainian government and military organizations since December 2022....

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GREYVIBE: Russian-Aligned Hackers Use ChatGPT and Google Gemini to Build Cyberweapons Targeting Ukraine

30 May 2026  |  dark6  |  Cybercrime

A newly tracked threat actor called GREYVIBE is using generative AI tools including ChatGPT and Google Gemini to develop malware, generate phishing lures, and attack Ukrainian government, military,...

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Ukrainian Intelligence Report: Russian APT Groups Intensify Cyber Operations — 5,927 Incidents, 37% Rise in 2025

23 May 2026  |  dark6  |  Cybercrime

A new intelligence report from Ukraine's National Security and Defense Council reveals Russian state-sponsored threat groups dramatically escalated cyber operations in 2025, with CERT-UA recording 5,927 incidents —...

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APT28 Deploys New PRISMEX Malware Suite Against Ukraine and NATO in Sophisticated Espionage Campaign

18 April 2026  |  dark6  |  Malware

Russia's APT28 (Fancy Bear) has launched a new campaign deploying the previously undocumented PRISMEX malware framework, which uses steganography, COM hijacking, and legitimate cloud services for C2. Targets...

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CERT-UA Exposes APT Malware Campaign Targeting Eastern European Governments and Municipal Hospitals

17 April 2026  |  dark6  |  Malware

Ukraine's CERT-UA has disclosed a sophisticated infostealer campaign targeting government bodies and municipal healthcare institutions across Eastern Europe. The malware harvests credentials from Chromium browsers and exfiltrates WhatsApp...

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