CISA Alert AA23-129A – Hunting Russian intelligence “Snake” malware.
The Snake implant is considered the most sophisticated cyber espionage tool designed and used by Center 16 of Russia’s Federal Security Service, or FSB, for long-term intelligence collection on sensitive targets.
For more information on FSB and Russian state-sponsored cyber activity, please see the joint advisory Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure and CISA’s Russia Cyber Threat Overview and Advisories webpage.
See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure.
U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email firstname.lastname@example.org
To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at email@example.com, or call (888) 282-0870, or report incidents to your local FBI field office.