Threats Tagged 'ethereum smart contract'

A self-propagating npm worm dubbed ChainDrop infected over 400 packages downloaded hundreds of millions of times weekly, including popular packages like keyv and cacheable-request. The worm steals cloud credentials, npm and GitHub tokens, SSH keys, and sensitive developer data while extracting temporary credentials from GitHub Actions runner memory. It uses stolen npm publishing tokens to infect additional packages while maintaining their legitimate functionality. The attackers established persistence through VS Code and Claude Code configurations, employed blockchain-based command-and-control resolution via Ethereum smart contracts, and can execute attacker-supplied code. The operator demonstrated ability to silently reconfigure C2 infrastructure through Ethereum transactions without updating deployed instances. ChainDrop employs three layers of obfuscation and encryption, exfiltrates data through encrypted channels, and publishes stolen tokens in public commit messages.

Multiple npm packages in the keyv/cacheable ecosystem were compromised after attackers gained control of a GitHub maintainer account. Beginning at 9:00 UTC on August 4, 2026, the attacker introduced IDE persistence mechanisms and published malicious versions that propagated to over 400 distinct packages. The payload is a descendant of the 'Mini' Shai-Hulud malware family, sharing similarities with TeamPCP and antv campaigns. It targets sensitive data including cloud credentials, infrastructure secrets, developer credentials, AI configuration files, and cryptocurrency wallets. The malware uniquely retrieves command-and-control domains from an Ethereum smart contract rather than embedding them, allowing infrastructure updates without modifying the payload. Data is exfiltrated through GitHub repositories created under compromised identities. The campaign demonstrates sophisticated supply chain attack techniques targeting developer environments and CI/CD pipelines.