MAL-2026-10193
Malicious code in py-base58 (PyPI)
Details
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## Source: kam193 (fef36b20481cc02340f4bee670f918213d738a738d6c70de568bd93dc05af360) The package embeds an executable stealing cryptocurrency wallets data. During import, code saves the executable under a name suggesting system utility and configures cron to run it periodically. The exfiltrated data is encrypted using embedded RSA code before uploading to file-sharing services or IPFS.
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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-07-py-base58
Reasons (based on the campaign):
- crypto-related
- exfiltration-crypto
- persistence
Are you affected?
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Affected packages
No fixed version published yet for py-base58 (pip). Pin to a known-safe version or switch to an alternative.