ESET researchers Anton Cherepanov & Peter Strýček uncover MythicRatatoskr – a previously unknown Go-based backdoor hiding its C&C server inside the Yggdrasil mesh network – which paved the way for a destructive attack against a Ukrainian grain firm. https://www.welivesecurity.com/en/eset-research/mythicratatoskr-yggdrasil-enabled-backdoor-deployed-uac0099-sandworm-collaboration/