RU
Winter VivernWinter Vivern
Also known as: UAC-0114 · TA473 · TAG-70 · TA-473 · Winter Vivern
Origin
RU
Known aliases
5
Profile
Winter Vivern is a cyberespionage group first revealed by DomainTools in 2021. It is thought to have been active since at least 2020 and it targets governments in Europe and Central Asia. To compromise its targets, the group uses malicious documents, phishing websites, and a custom PowerShell backdoor.
Aliases· 5
UAC-0114TA473TAG-70TA-473Winter Vivern
Known victims· 1
- Germany
References
- https://www.sentinelone.com/labs/winter-vivern-uncovering-a-wave-of-global-espionage/
- https://www.domaintools.com/resources/blog/winter-vivern-a-look-at-re-crafted-government-maldocs
- https://www.welivesecurity.com/en/eset-research/winter-vivern-exploits-zero-day-vulnerability-roundcube-webmail-servers/
- https://www.proofpoint.com/us/blog/threat-insight/exploitation-dish-best-served-cold-winter-vivern-uses-known-zimbra-vulnerability
- https://socprime.com/blog/uac-0114-group-aka-winter-vivern-attack-detection-hackers-launch-malicious-phishing-campaigns-targeting-government-entities-of-ukraine-and-poland/
- https://cybersecuritynews.com/russian-hackers-xss-flaw/
- https://www.recordedfuture.com/russia-aligned-tag-70-targets-european-government-and-military-mail
- https://www.bsi.bund.de/DE/Themen/Unternehmen-und-Organisationen/Cyber-Sicherheitslage/Analysen-und-Prognosen/Threat-Intelligence/Aktive_APT-Gruppen/aktive-apt-gruppen_node.html
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.