CISA Advisory

Snake Malware Russian Cyberespionage Tool

AA23-158A • Published June 7, 2023

Severity: critical

Russian spies have been using a sneaky program called Snake for almost 20 years to spy on governments and important organizations. The US government recently disrupted it, but organizations should still check if they were compromised.

Overview

Technical advisory on the Snake implant used by Russian FSB. Snake is a sophisticated malware tool that has been used for nearly 20 years for espionage operations against NATO countries.

Who Is At Risk

  • • Government agencies
  • • Defense contractors
  • • Critical infrastructure
  • • Research institutions
  • • NATO member organizations

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Immediate Actions

  1. 1.

    Run detection signatures from advisory

  2. 2.

    Check for indicators of compromise

  3. 3.

    Review systems for persistence mechanisms

  4. 4.

    Implement network traffic analysis

  5. 5.

    Report suspected compromises to CISA

Official Source

https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-158a

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