The Russian state-sponsored hacking group tracked as APT28 has been observed using a pair of implants dubbed BEARDSHELL and COVENANT to facilitate long‑term surveillance of Ukrainian military personnel.
The two malware families have been put to use since April 2024, ESET said in a new report shared with The Hacker News.
APT28, also tracked as Blue Athena, BlueDelta, Fancy Bear, Fighting Ursa,