Case File: A Web3 Interview Repository Concealed a Data-Stealing Backdoor

SlowMist examines malicious terminal settings in a Solidity interview project and the limits of its findings.

Case File: A Web3 Interview Repository Concealed a Data-Stealing Backdoor — editorial illustration
Editorial illustration, not evidence of an incident.

Research date: 23 October 2026. The date refers to publication of the analysis, not a confirmed date of theft.

An interview exercise with a second purpose

SlowMist's 23 October 2026 report describes a repository presented as Solidity interview practice. Its analysis found concealed commands in VS Code workspace terminal settings. Launching a terminal with those settings could start a remote download-and-execute chain, rather than only the coding exercise.

What the analysis establishes

The retrieved code contained browser-data collection, file-upload and remote-control components, with wallet extension storage among the targets. SlowMist analyzed retained material without executing the malware. Copying encrypted wallet data or a Keychain file does not establish that private keys or plaintext passwords were recovered. The report does not confirm a loss for every person who opened the repository.

Before running an unfamiliar project

Treat editor configuration and startup tasks as part of the software you are being asked to trust. Review them before launching a terminal on a computer used for wallets. If reporting a suspected exposure, distinguish downloading the repository, opening the editor and running a command. Preserve that sequence without rerunning the sample. Those separate actions help an investigator assess what may actually have executed.

Source and review date

SlowMist — original research. Source published: 2026-10-23, 10:39 UTC. Source checked: 2026-10-27.

Wallet Beep editorial summary. We have not executed the sample or independently verified losses. Consult the source for the full analysis and later updates.

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