Malicious code in @shared-web/assets (npm)
Exploitation and risk
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osv · MAL-2026-16283
Published--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (e8fd9342e97dc9f655a994fe1091125f717cbfa7b89aa6a2333662ad23ad6771) The package runs an install lifecycle script (`node index.js`) and also executes `./lib/core.js` on require. That code collects `os.userInfo().username`, `os.hostname()`, and `process.cwd()` and issues a DNS `resolve4` for a label chain of the form `<pkg>.<user>.<host>.<cwd>.<ts>.oob.algamil7x.xyz`, exfiltrating installer identity and working-directory information over DNS to an attacker-controlled domain. The destination host and the `os`/`dns`/`process` module names are obfuscated in `lib/c5df9a.js` and `lib/b4ce8f.js` using char-code byte arrays (`String.fromCharCode`) and loaded via `module.constructor._load` instead of plain `require`, concealing both the APIs and the C2 destination. The obfuscation and DNS-label-encoded channel are inconsistent with the package's presentation as a shared web assets helper.
- Source published
- 18 Sep 2026 14:06:59 UTC
- Source modified
- 18 Sep 2026 14:30:07 UTC
- Saved here
- 24 Oct 2026 13:17:17 UTC
- Source terms
- OSV · upstream source license applies
Original source record · Cite this exact observation · Complete original publisher JSON
Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.