Nimbus Manticore
MITRE G1014Also known as Screening Serpens, UNC1549, GalaxyGato, Mirage Kitten, Smoke Sandstorm, Subtle Snail, Iranian Dream Job, Nimbus Manticore
Reports
10
First seen
Oct 1, 2025
Last seen
Jul 28, 2026
Motivation
Espionage
Relationships
Filled ◆ = CVE exploited in the wild. Entities that appear together in Signalis reporting — co-mention, not confirmed collaboration. Reports naming many actors at once (weekly roundups) are excluded from relationship edges.
Targeting
Top ATT&CK techniques
T1566 Phishing ×9T1041 Exfiltration Over C2 Channel ×5T1087 Account Discovery ×5T1195 Supply Chain Compromise ×4T1110 Brute Force ×4T1566.002 Phishing: Spearphishing Link ×4T1598 Phishing for Information ×4T1059.001 PowerShell ×4T1071.001 Application Layer Protocol: Web Protocols ×3T1005 Data from Local System ×3T1055 Process Injection ×3T1003 OS Credential Dumping ×3
Indicators
filename ×33domain ×28cve ×15hash_sha256 ×12ip_v4 ×3email ×1hash_md5 ×1
Indicator values are available on Pro and via the API.
Associated CVEs
CVE-2025-20333 (exploited)CVE-2025-20352 (exploited)CVE-2025-20362 (exploited)CVE-2025-43300 (exploited)CVE-2025-48595 (exploited)CVE-2025-55177 (exploited)CVE-2025-55241CVE-2026-20230 (exploited)CVE-2026-28318 (exploited)CVE-2026-34926 (exploited)CVE-2026-41089 (exploited)CVE-2026-41091 (exploited)CVE-2026-45498 (exploited)CVE-2026-49494CVE-2026-9082 (exploited)
Recent reports
High