Trojanized npm Packages Employ NullReceiver Tactic to Decode C2 IP from Blockchain
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Cybersecurity researchers have flagged an evolution of the EtherHiding blockchain-based command-and-control (C2) technique that conceals the C2 server IP address inside a made-up destination address of a completely empty Ethereum transfer. The new dead drop resolver approach, observed in two trojanized npm packages "bianira-ui" and "fluid-type-ui," has been codenamed NullReceiver by
1Key Takeaways
- Cybersecurity researchers have flagged an evolution of the EtherHiding blockchain-based command-and-control (C2) technique that conceals the C2 server IP address inside a made-up destination address of a completely empty Ethereum transfer.
- The new dead drop resolver approach, observed in two trojanized npm packages "bianira-ui" and "fluid-type-ui," has been codenamed NullReceiver by.
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3Why it matters
Security headlines highlight new attack surfaces as AI gets embedded in more systems. The Hacker News reports that cybersecurity researchers have flagged an evolution of the EtherHiding blockchain-based command-and-control (C2) technique that conceals the C2 server IP address inside a made-up destination address of a completely empty Ethereum transfer.
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