ESET researchers uncover Gorbag, a Russia-aligned group using simple infostealers to harvest data from Ukrainian organizations near the front line
Source: WeLiveSecurity (ESET) · 2026-11-03
Tag: ESET research
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ESET APT Activity Report Q2 2026–Q3 2026
An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q2 2026 and Q3 2026
Source: WeLiveSecurity (ESET) · 2026-10-28
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MythicRatatoskr: An Yggdrasil-enabled backdoor deployed in a UAC-0099-Sandworm collaboration
ESET researchers uncover MythicRatatoskr – a previously unknown Go-based backdoor hiding its C&C server inside the Yggdrasil mesh network – that paved the way for a destructive attack against a Ukrainian grain firm
Source: WeLiveSecurity (ESET) · 2026-10-22
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MATCHBOIL: New tricks, same old evil intentions
ESET Research catalogs the changes of UAC-0099’s MATCHBOIL downloader from 2024 to 2026
Source: WeLiveSecurity (ESET) · 2026-10-08