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Malicious package

backup-my-datanpm

backup-my-data is a confirmed malicious npm package (MAL-2026-5603) that steals credentials and exfiltrates sensitive data (malicious versions 1.0.1, 1.0.2, 1.0.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in backup-my-data (npm)

MAL-2026-5603
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall backup-my-data

What this malware does

The package's collect.js loads child_process, fs, os, http and https, gathers host identifiers via os.hostname() and os.homedir(), enumerates filesystem paths via fs.existsSync, and POSTs the collected data to the hardcoded endpoint http://aab.sportsontheweb.net (collect.js line 13, POST at line 366). The package's stated purpose ('backup-my-data') is a cover; the runtime behavior is system-information harvesting and exfiltration to an attacker-controlled host that has no relationship to the package name or any documented backup service. Installing or loading this package leaks host identity and filesystem reconnaissance data to a third-party endpoint.

Malicious versions

3 flagged
1.0.11.0.21.0.9

Indicators of compromise (SHA-256)

3184167d3b1cd30c17f285b5bc511295b55de4b37de52a228cda9f1b80044247
909d29560b504f0b737cee3d66f3b32cc61931824e7547c44fb1b30d4958c427
de638457ace180ab303f4002aa27d9560f2caf6c8f28d04ba5521486d65d34b6

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 backup-my-data (3 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging backup-my-data across your stack and pipelines.

  2. If you installed it — respond

    backup-my-data 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 backup-my-data 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 backup-my-data 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. backup-my-data on npm has been identified as a malicious package (versions 1.0.1, 1.0.2, 1.0.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-005663IN-MAL-2026-005665IN-MAL-2026-005664

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks backup-my-data-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

backup-my-data (npm) malicious package — MAL-2026-5603 | O3 Security