INDICATORPUBLIC METADATAOct 08, 2026 08:03 UTC

URL https://www.welivesecurity.com/en/eset-research/winter-vivern-exploits-zero-day-vulnerability-roundcube-webmail-servers/

Indicator published by the cited source.

Reference details

Source category: Malware intelligence
Source context: winter_vivern/README.adoc
First reported: Not reported
Last reported: Not reported
Catalog updated: Oct 08, 2026 08:03 UTC
Record ID: c09f627f9dd7a43bf78049ad1818ae026166cfd510ed3627b5b1e4693f994ccf

Published indicators

Network indicators are visibly defanged. This page does not make them clickable or send them to another service.

URL

hxxps://www[.]welivesecurity[.]com/en/eset-research/winter-vivern-exploits-zero-day-vulnerability-roundcube-webmail-servers/

Source observations

eset_ioc

Source-provided label: Not reported
Evidence class: published ioc
Confidence: Not reported
Observed: Not reported
Retrieved: Oct 08, 2026 08:03 UTC

Research references

https://github.com/eset/malware-ioc/blob/master/winter_vivern/README.adoc

This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.

Feed collection status

Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.

1 sources: 0 stale, 0 needing attention, 1 paused, 0 unverified.

Review source update dates and status

eset_iocCollection pausedLast successful batch: Unverified

Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.