Cavern Manticore
Also known as Cav3rn, Lyceum
Reports
3
First seen
Jul 6, 2026
Last seen
Jul 13, 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
Sectors
Victim regions
×2×2
Israel×2
Victim country, only when stated. Corpus is predominantly English-language reporting, so US/EU coverage is overweighted relative to true victim distribution.
Top ATT&CK techniques
T1195 Supply Chain Compromise ×3T1041 Exfiltration Over C2 Channel ×2T1071.001 Application Layer Protocol: Web Protocols ×2T1110 Brute Force ×2T1021.002 Remote Services: SMB/Windows Admin Shares ×2T1057 Process Discovery ×1T1003 OS Credential Dumping ×1T1027 Obfuscated Files or Information ×1T1580 Cloud Infrastructure Discovery ×1T1190 Exploit Public-Facing Application ×1T1555 Credentials from Password Stores ×1T1574.002 DLL Side-Loading ×1
Indicators
filename ×21cve ×8domain ×7ip_v4 ×1
Indicator values are available on Pro and via the API.