ESET researchers discovered that a previously unknown backdoor, MythicRatatoskr, was deployed in an intrusion that later ...
IntroductionCyberattacks against Ukraine are no longer the work of a single group acting alone. ESET's investigation has ...
ESET researchers uncover MythicRatatoskr – a previously unknown Go-based backdoor hiding its C&C server inside the Yggdrasil ...
Sandworm wiped a Ukrainian logistics firm in September 2025 after UAC-0099 gained access and deployed a new Yggdrasil-based backdoor.
Russian state-sponsored threat group Sandworm deployed attacks involving malicious Microsoft Key Management Service activators and bogus Windows updates against Ukrainian Windows users since late 2023 ...
Tech Times on MSN
Sandworm turns Yggdrasil mesh network into C2 channel before wiping Ukraine grain firm
MythicRatatoskr backdoor, disclosed by ESET on October 22, 2026, routes command-and-control traffic through the Yggdrasil ...
ESET has released its latest advanced persistent threat (APT) report. Russian APT groups intensified attacks against Ukraine and the EU, exploiting zero-day vulnerabilities and deploying wipers. China ...
ESET researchers identified new data-wiping malware that ESET named DynoWiper, used against an energy company in Poland. The TTPs observed during the DynoWiper incident closely resemble those seen ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results