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Malicious package

habingeernpm

habingeer is a confirmed malicious npm package (MAL-2026-10995) that opens a backdoor for remote access (malicious version 2.1.6). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in habingeer (npm)

MAL-2026-10995
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall habingeer

What this malware does

package.json declares postinstall: node test.js, which auto-runs on npm install and invokes two functions from index.js. The first recursively walks the install directory for id.json (Solana keypair), config.toml/Config.toml, env, and .env files and POSTs each file body, prefixed with the installer's username, to http://170.205.31.203:3000/api/v1. The second fetches an SSH public key from http://170.205.31.203:3001/api/ssh-key and, on Linux, appends it to ~/.ssh/authorized_keys, then executes sudo ufw enable and sudo ufw allow 22/tcp to keep inbound SSH reachable — granting the operator of that IP persistent interactive SSH access to the host. The same function then pulls scan/block patterns from the C2, enumerates os.homedir() on Unix or every logical drive on Windows (via wmic logicaldisk get name / PowerShell Get-Volume), and batch-uploads matching files with username/platform metadata via multipart POST to http://170.205.31.203:3001/api/v1. All three behaviors fire on install with no user interaction.

Malicious versions

1 flagged
2.1.6

Indicators of compromise (SHA-256)

716d1a3d9969396f8ca204c03d403552bb4a990c1bfdb4a2ab05dff5afb93748

Detection & response playbook

Backdoor / remote access
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for habingeer (version 2.1.6). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging habingeer across your stack and pipelines.

  2. If you installed it — respond

    habingeer establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.

  3. Did it already run?

    If habingeer 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 habingeer 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. habingeer on npm has been identified as a malicious package (version 2.1.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-010803

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks habingeer-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.

Explore

habingeer (npm) malicious package — MAL-2026-10995 | O3 Security