Cavern Manticore
Also known as Cav3rn, Lyceum, OilRig
Reports
6
First seen
Jul 6, 2026
Last seen
Aug 17, 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
×4×4
Israel×4
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
T1041 Exfiltration Over C2 Channel ×4T1195 Supply Chain Compromise ×4T1071.001 Application Layer Protocol: Web Protocols ×4T1021.002 Remote Services: SMB/Windows Admin Shares ×2T1486 Data Encrypted for Impact ×2T1087 Account Discovery ×2T1566 Phishing ×2T1003 OS Credential Dumping ×2T1078 Valid Accounts ×2T1219 Remote Access Software ×2T1110 Brute Force ×2T1005 Data from Local System ×2
Indicators
filename ×23domain ×9cve ×8ip_v4 ×1
Indicator values are available on Pro and via the API.
Associated CVEs
Recent reports
High