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Malicious package

habingeernpm

Advisory published Updated

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

    Search your lockfiles and build artifacts for habingeer (version 2.1.6).

  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 installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

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