Poseidon Group

Poseidon Group is a Portuguese-speaking threat group that has been active since at least 2005. The group has a history of using information exfiltrated from victims to blackmail victim companies into contracting the Poseidon Group as a security firm. [1]

ID: G0033
Version: 1.0

Techniques Used

Domain ID Name Use
Enterprise T1087 Account Discovery Poseidon Group searches for administrator accounts on both the local victim machine and the network.[1]
Enterprise T1003 Credential Dumping Poseidon Group conducts credential dumping on victims, with a focus on obtaining credentials belonging to domain and database servers.[1]
Enterprise T1036 Masquerading Poseidon Group tools attempt to spoof anti-virus processes as a means of self-defense.[1]
Enterprise T1086 PowerShell The Poseidon Group's Information Gathering Tool (IGT) includes PowerShell components.[1]
Enterprise T1057 Process Discovery After compromising a victim, Poseidon Group lists all running processes.[1]
Enterprise T1049 System Network Connections Discovery Poseidon Group obtains and saves information about victim network interfaces and addresses.[1]
Enterprise T1007 System Service Discovery After compromising a victim, Poseidon Group discovers all running services.[1]