Poseidon Group is a Portuguese-speaking threat group that has been active since at least 2005. This group has used information exfiltrated from victims to blackmail companies into contracting Poseidon Group as a security firm.
This is a collection of rules based on the presence of indicators of compromise publicly reported as associated with this malicious actor.
This detection identifies a request to resolve a domain publicly reported as associated with this malicious actor. Malicious actors may use compromised websites for malicious purposes. This detection is powered by the Rapid7 Threat Command Threat Library.
This alert may have been caused by normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.
This detection identifies the execution of a file with a hash publicly reported as associated with this malicious actor. Malicious actors may use common System Administration tools for malicious purposes. This detection is powered by the Rapid7 Threat Command Threat Library.
Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.
This detection identifies a request to a domain publicly reported as associated with this malicious actor. Malicious actors may compromise websites for malicious purposes. This detection is powered by the Rapid7 Threat Command Threat Library.
This alert may have been caused by normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.