Ethereum
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North Korea-linked actors exploit React2Shell flaw to deploy EtherRAT using Ethereum-based C2
Sysdig reported that actors tied to North Korea exploited a critical React Server Components flaw to deploy EtherRAT, a Node.js-based remote access trojan that uses Ethereum smart contracts and RPC consensus for C2 resolution and multiple Linux persistence mechanisms.
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Malicious Rust crate ‘evm‑units’ delivered cross‑platform payloads and targeted Web3 developers
A malicious Rust crate named evm‑units masqueraded as an Ethereum helper and delivered platform‑specific payloads to Windows, macOS and Linux machines. Published by a crates.io user called ablerust and included as a dependency of uniswap‑utils, the package fetched and executed scripts or PowerShell based on the host OS and the presence of Qihoo 360 antivirus,…
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Kaspersky flags expanding ‘Tsundere’ botnet that uses Ethereum to host C2 details
Kaspersky researchers have identified an expanding Windows-targeting botnet called Tsundere that deploys a Node.js-based payload via MSI or PowerShell, retrieves C2 details from the Ethereum blockchain and offers a control panel and marketplace for operators; attribution remains unclear.
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Malicious Open VSX extension delivers SleepyDuck RAT and uses Ethereum contract for fallback control
Researchers warned that a malicious Open VSX extension, juan-bianco.solidity-vlang, installs a SleepyDuck remote access trojan that uses an Ethereum smart contract and a fallback RPC mechanism to update its command-and-control details.
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Google says North Korean hackers used smart-contract “EtherHiding” to deliver malware
Google Threat Intelligence Group says a North Korean actor known as UNC5342 used an “EtherHiding” smart-contract technique to host and deliver JavaScript malware via fake job interviews, enabling stealthy payload updates and theft of credentials and cryptocurrency.
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Malicious Rust crates impersonating fast_log steal Solana and Ethereum wallet keys, researchers say
Cybersecurity researchers say two malicious Rust crates impersonating the fast_log logging library were used to harvest Solana and Ethereum wallet keys from source code, with Crates.io removing the packages and preserving logs for analysis after responsible disclosure.
