defi-tools-39

GHSA-7m6m-vgmq-32wj

Malicious code in defi-tools-39 (npm)

Details

**Severity:** Critical

**Affected versions:** `= 4.26.29`

Crypto/SSH/wallet stealer, blockchain-helper-0 campaign sibling (c960+), byte-identical to swap-sdk-87. postinstall auto-execs, src/index.js harvests ~/.ssh keys + Sol/Eth/BTC/Tron/Sui/Aptos wallets + .env + seeds, self-labels "CRYPTO STEALER", exfils to SAME Telegram bot 8227918239 chat 6433587894 (not rotated).## Source: amazon-inspector (d56fe423f0b7b6fd3188d49ea50e2ebb2e7f6e6c76c5c4682062395b7fe11a94)
On `npm install`, the postinstall hook requires src/index.js, which enumerates a hardcoded list of crypto wallet files, SSH private keys, and environment/mnemonic files in the user's home and current working directory (including `~/.ssh/id_rsa`, `~/.config/solana/id.json`, `.env`, and seed/mnemonic files for Solana, Ethereum, Bitcoin, Tron, Sui, and Aptos). The collected file contents are POSTed to `api.telegram.org` using a hardcoded bot token (`8227918239:AAGE...`) and chat ID (`6433587894`). The payload self-identifies as `<b>CRYPTO STEALER</b>` in the Telegram message body. Execution is gated by an `isTestEnvironment()` check at src/index.js:11-26 that suppresses the payload in CI, GitHub Actions, Jenkins, Docker, and sandbox-shaped hostnames/usernames — analysis-evasion to keep the stealer dormant during scanning and active on developer workstations. The package ships no legitimate functionality; the generic name `defi-tools-39` with a bland 'Cryptocurrency wallet management toolkit' description targets developers searching for DeFi/wallet tooling — the cohort most likely to have on-disk wallet keypairs.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/51780a768dd5e4c4dbb3bdd3cf5931e0ba1644f6/osv/malicious/npm/defi-tools-39/MAL-2026-5354.json))

**References:**
- https://app.safedep.io/community/malysis/01KTN8W8PEWZ927N45SGX97T34
- https://github.com/ossf/malicious-packages/blob/51780a768dd5e4c4dbb3bdd3cf5931e0ba1644f6/osv/malicious/npm/defi-tools-39/MAL-2026-5354.json
- https://www.npmjs.com/package/defi-tools-39/v/4.26.29
- https://github.com/advisories/GHSA-7m6m-vgmq-32wj

Compromised versions (1)

= 4.26.29

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.