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22 articles tagged with "Russia"

APT28 Uses BEARDSHELL and COVENANT to Spy on Ukraine
Threat Intelligence4 min read

APT28 Uses BEARDSHELL and COVENANT to Spy on Ukraine

Russian GRU-linked APT28 deploys BEARDSHELL and COVENANT implants for long-term surveillance of Ukrainian military personnel. ESET research reveals cloud storage abuse for C2.

Alex KowalskiMar 10, 2026
APT28 Linked to MSHTML Zero-Day Exploited Before Patch
Threat Intelligence4 min read

APT28 Linked to MSHTML Zero-Day Exploited Before Patch

Security researchers tie Russia's APT28 to CVE-2026-21513 exploitation using malicious LNK files. The MSHTML zero-day was weaponized weeks before Microsoft's February patch.

Alex KowalskiMar 3, 2026
APT28 Weaponized Office Zero-Day in Three Days Flat
Threat Intelligence3 min read

APT28 Weaponized Office Zero-Day in Three Days Flat

Operation Neusploit saw Russia's APT28 exploit CVE-2026-21509 against 60+ Ukrainian targets within 72 hours of Microsoft's disclosure, delivering MiniDoor and BEARDSHELL backdoors.

Alex KowalskiFeb 5, 2026