Skip to main content
Ransomware Group

Nightsky

Night Sky is a China-nexus ransomware group (attributed to the "Emperor Dragonfly" cluster) that emerged in late 2021, gaining notoriety in early 2022 by exploiting the Log4Shell vulnerability (CVE-2021-44228) to target corporate networks across healthcare, finance, government, and manufacturing using multi-extortion tactics.

Known victims2

Threat level

LOW

Get an alert if one of your domains is named on a ransomware leak site.

Monitor your domainsFree account · up to 5 monitored targets

Known infrastructure

The following Tor hidden services have been associated with this group:

  • Night Sky

These sites are malicious. Open them only from an isolated environment.

0

Check if you’re affected

Look up your domain to see whether it appears on Nightsky’s victim list.

Try it nowFree⌘K
Try

risk score · threat categories · sources · age · confidence — in one request