UnclassifiedIdeologyIntermediate sophistication
Nightmare Eclipse
Nightmare Eclipse is a threat actor group with an ideological motive, tracked by Brandefense. It uses 4 MITRE ATT&CK techniques and exploits 1 known CVE.
- Techniques
- 4
- Exploited CVEs
- 1
- Record updated
About Nightmare Eclipse.
A researcher who publicly released exploit code for two specific zero-day vulnerabilities: CVE- (GreenPlasma) and CVE- (YellowKey).
Last updated Jul 29, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.