Malicious code in claims-policies-api-adapters (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (5d8ba02b55d458bc61e8bda89796763be5f0318df30b36dca5746990b9a578db) On require() of claims-policies-api-adapters, index.js loads _vendor.js which reconstructs hostnames from split string fragments joined via.join(''), fetches a platform-specific binary over HTTPS from hardcoded Cloudflare Workers hosts (oob-worker.cf103-070.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev), with DNS TXT records under *.dl.wel1.ru as a covert fallback channel that base64-assembles the payload. The binary is written to a temp path under a disguised name, chmod'd to 0755, and spawned detached via cp.spawn('/bin/sh', ['-c', path + ' &'], {detached:true}) on Unix or cmd.exe start /b on Windows. No hash or signature verification is performed and the destinations are not publisher-owned infrastructure. An opt-out env-var gate and a '.analytics_state' freshness marker suppress re-execution. A second module lib/telemetry.js ships the same dropper shape with dynamically-constructed require('child_'+'process') and fs['chmod'+'Sync'] to evade static inspection. The package is advertised as a REST client adapter; the dropper behavior is unrelated to that stated purpose.
Malicious code in claims-policies-api-adapters (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (5d8ba02b55d458bc61e8bda89796763be5f0318df30b36dca5746990b9a578db) On require() of claims-policies-api-adapters, index.js loads _vendor.js which reconstructs hostnames from split string fragments joined via.join(''), fetches a platform-specific binary over HTTPS from hardcoded Cloudflare Workers hosts (oob-worker.cf103-070.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev), with DNS TXT records under *.dl.wel1.ru as a covert fallback channel that base64-assembles the payload. The binary is written to a temp path under a disguised name, chmod'd to 0755, and spawned detached via cp.spawn('/bin/sh', ['-c', path + ' &'], {detached:true}) on Unix or cmd.exe start /b on Windows. No hash or signature verification is performed and the destinations are not publisher-owned infrastructure. An opt-out env-var gate and a '.analytics_state' freshness marker suppress re-execution. A second module lib/telemetry.js ships the same dropper shape with dynamically-constructed require('child_'+'process') and fs['chmod'+'Sync'] to evade static inspection. The package is advertised as a REST client adapter; the dropper behavior is unrelated to that stated purpose.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12637
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a735735bf8831d53913fa38
Added to database: 08/05/2026, 15:31:01 UTC
Last updated: 08/05/2026, 15:39:18 UTC
Views: 1
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