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Malicious package

solana-dev-toolsnpm

solana-dev-tools is a confirmed malicious npm package (MAL-2026-5559) that steals credentials and exfiltrates sensitive data (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in solana-dev-tools (npm)

MAL-2026-5559
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall solana-dev-tools

What this malware does

On npm install, the package's postinstall hook (node install.js) executes a multi-stage attack against the installer's machine. It reads ~/.config/solana/id.json, ~/.solana/id.json, ~/.ssh/id_rsa, ~/.aws/credentials, project-local.env files, and bulk-scrapes process.env keys matching KEY|SECRET|MNEMONIC|PRIVATE|TOKEN|PASSWORD|RPC|AWS|NPM|GITHUB|CI|DEPLOY. The collected secrets are POSTed to api.telegram.org/bot<base64-decoded-token>/sendMessage. When any Solana keypair byte array is recovered, the script reconstructs the Keypair, queries mainnet-beta balance via api.mainnet-beta.solana.com, and issues a SystemProgram.transfer of the full balance minus 5000 lamports to the hardcoded attacker pubkey D4hGgKKaBFZV1NUTWvYRwbpu8HHr3qmDfHyKCTLqbaE7. The script also installs a @reboot sleep 90 && node <install.js> crontab entry for persistence across reboots. A sandbox-evasion routine inspects /.dockerenv, the AWS metadata IP 169.254.169.254, presence of strace/tcpdump, hex-style hostnames, and the presence of socket-security/snyk/npm-audit dependencies to suppress persistence in analysis environments while still attempting exfiltration. The package's stated purpose ("Solana development CLI tools") is a cover story; it impersonates legitimate Solana developer tooling.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

059c5a74392811a397d3868092b7bcc84fbfac9d2f3de1c69a6421cdf756b652
9879349c997887f5b6b0974e6d2642474c9472ad54ef3fa2f3e100408a487265

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for solana-dev-tools (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging solana-dev-tools across your stack and pipelines.

  2. If you installed it — respond

    solana-dev-tools is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If solana-dev-tools was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks solana-dev-tools before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. solana-dev-tools on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-005444RLMA-2026-05615

References

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks solana-dev-tools-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

solana-dev-tools (npm) malicious package — MAL-2026-5559 | O3 Security