![]() ![]() One critical error is that the FSB used OpenSSL to handle Diffie-Hellman key exchange but only specified 128 bits instead of 128 bytes. The report says "various mistakes in its development and operation provided us with a foothold into the inner workings of Snake and were key factors in the development of capabilities that have allowed for tracking Snake and the manipulation of its data". It had a custom authentication mechanism to pick out Snake traffic on those ports and siphon it off rather than sending it to the legitimate destination.Įven though Snake is sophisticated, people make mistakes. It hijacks previously open ports and hides its own communications by mimicking legitimate network traffic as would appear on that port. Initial versions were called "Uroburos" and included part of the historical illustration of an Uroburos (above) by German philosopher Jakob Böhme.įor example, one "uniquely sophisticated" aspect of Snake is that it can act as a server without opening new ports on a compromised system. The report describes Snake as sophisticated because it is stealthy, modular, runs on different operating systems and is also well built, "with the implant containing surprisingly few bugs given its complexity". Snake’s custom communications protocols employ encryption and fragmentation for confidentiality and are designed to hamper detection and collection efforts. ![]() Many systems in this P2P network serve as relay nodes which route disguised operational traffic to and from Snake implants on the FSB’s ultimate targets. To conduct operations using this tool, the FSB created a covert peer-to-peer (P2P) network of numerous Snake-infected computers worldwide. The Snake implant is considered the most sophisticated cyber espionage tool designed and used by Center 16 of Russia’s Federal Security Service (FSB) for long-term intelligence collection on sensitive targets. It manages to cover the big picture while also drilling in to provide detailed technical information in a very readable way. The joint cybersecurity advisory on Snake, co-authored by the US government and Five Eyes cyber security authorities, is tremendous. Initial versions of Snake were called "Uroburos" and included part of the historical illustration of an Uroburos by German philosopher Jakob Böhme. ![]()
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