Malicious code in async-mutex-lock (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (e195fef439eb6af3d28576857a30030e4bd839406fa36b2f939279743f12188e) The package is advertised as a mutex-lock utility but ships none of the documented API (no Mutex/lock/unlock). Its sole export, getPlugin in index.js, assembles a URL from split protocol/domain/path variables resolving to https://31.97.137.157:45000/icons/108, fetches a JSON response, and passes the response field data.credits to new Function(...) invoked with full require/process/Buffer context — executing attacker-controlled JavaScript on the caller's host. Variable framing references CDN names (cloudflare, fastly, akamai, cdnjs/font-awesome) as a decoy over a bare-IP destination unrelated to any CDN. Declared dependencies (@primno/dpapi, node-machine-id, better-sqlite3, socket.io-client) are consistent with infostealer staging (DPAPI decryption, machine fingerprinting, SQLite reads of browser stores, socket-based C2). The name resembles the popular async-mutex package.
Malicious code in async-mutex-lock (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (e195fef439eb6af3d28576857a30030e4bd839406fa36b2f939279743f12188e) The package is advertised as a mutex-lock utility but ships none of the documented API (no Mutex/lock/unlock). Its sole export, getPlugin in index.js, assembles a URL from split protocol/domain/path variables resolving to https://31.97.137.157:45000/icons/108, fetches a JSON response, and passes the response field data.credits to new Function(...) invoked with full require/process/Buffer context — executing attacker-controlled JavaScript on the caller's host. Variable framing references CDN names (cloudflare, fastly, akamai, cdnjs/font-awesome) as a decoy over a bare-IP destination unrelated to any CDN. Declared dependencies (@primno/dpapi, node-machine-id, better-sqlite3, socket.io-client) are consistent with infostealer staging (DPAPI decryption, machine fingerprinting, SQLite reads of browser stores, socket-based C2). The name resembles the popular async-mutex package.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12513
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a735742bf8831d5391598c2
Added to database: 08/05/2026, 15:31:14 UTC
Last updated: 08/05/2026, 15:31:14 UTC
Views: 1
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