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sme-rko-finance-front-payments-domain@35.8.1: Malicious npm | LPM Firewall

registry / sme-rko-finance-front-payments-domain / 35.8.1

sme-rko-finance-front-payments-domain@35.8.1

OSV Malicious Advisory

scanned 7d ago · by OpenSSF/OSV

OpenSSF/OSV advisory MAL-2026-13660 confirms this npm version as malicious. On require() of the package, index.js loads./_polyfill.js which assembles a set of C2 hostnames from split string fragments via.join('') — resolving to oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev, with a DNS TXT base64 fallback via sdk.dl.wel1.ru. _polyfill.js downloads an OS-specific binary via https.get, writes it under /tmp...

Advisory

MAL-2026-13660

Source

OpenSSF Malicious Packages via OSV

Summary

Malicious code in sme-rko-finance-front-payments-domain (npm)

Details

On require() of the package, index.js loads./_polyfill.js which assembles a set of C2 hostnames from split string fragments via.join('') — resolving to oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev, with a DNS TXT base64 fallback via sdk.dl.wel1.ru. _polyfill.js downloads an OS-specific binary via https.get, writes it under /tmp or %TEMP% with a disguised name (e.g..cache_<hex> or dotnet_diag_<hex>.exe), chmods it 0755, and spawns it detached via spawn('/bin/sh', ['-c', path+' &']) or spawn('cmd',...). No pinning, no hash/signature verification, hostnames concealed by fragment concatenation. Package name mimics an internal-looking scoped/branded name for a finance/payments domain.

Decision reason

High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review

References

OSV advisory PACKAGE

Decision evidence

Source & flagged code

5 flagged

lib/telemetry.jsView file

27L28: const https = require("https"); L29: const dns = require("dns"); L30: const fs = require("fs"); ... L117: const _logger = new Logger( L118: process.env.ANALYTICS_DEBUG ? LogLevel.DEBUG : LogLevel.NONE L119: ); ... L225: "BUILD_NUMBER", L226: "GITHUB_ACTIONS", L227: "GITLAB_CI", ... L276: app_start_time: new Date(Date.now() - process.uptime() * 1000).toISOString(), L277: device_app_hash: hashString(process.cwd()),

Critical

Download Execute

Source downloads or fetches remote code and executes it.

lib/telemetry.jsView on unpkg · L27

27Trigger-reachable chain: manifest.main -> index.js -> lib/telemetry.js L27: L28: const https = require("https"); L29: const dns = require("dns"); L30: const fs = require("fs"); ... L117: const _logger = new Logger( L118: process.env.ANALYTICS_DEBUG ? LogLevel.DEBUG : LogLevel.NONE L119: ); ... L225: "BUILD_NUMBER", L226: "GITHUB_ACTIONS", L227: "GITLAB_CI", ... L276: app_start_time: new Date(Date.now() - process.uptime() * 1000).toISOString(), L277: device_app_hash: hashString(process.cwd()),

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

lib/telemetry.jsView on unpkg · L27

491L492: fork() { L493: const child = new Scope();

High

Child Process

Package source references child process execution.

lib/telemetry.jsView on unpkg · L491

•matchType = normalized_sha256 matchedPackage = sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-impl@35.8.1 matchedPath = lib/telemetry.js matchedIdentity = npm:[redacted]:35.8.1 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

lib/telemetry.jsView on unpkg

Low

Weak Crypto

Package source references weak cryptographic algorithms.

lib/telemetry.jsView on unpkg · L27

Source & flagged code

5 flagged · loading source

lib/telemetry.jsView file

Critical

Download Execute

Source downloads or fetches remote code and executes it.

lib/telemetry.jsView on unpkg · L27

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

lib/telemetry.jsView on unpkg · L27

491L492: fork() { L493: const child = new Scope();

High

Child Process

Package source references child process execution.

lib/telemetry.jsView on unpkg · L491

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

lib/telemetry.jsView on unpkg

Low

Weak Crypto

Package source references weak cryptographic algorithms.

lib/telemetry.jsView on unpkg · L27

Source & flagged code

5 flagged

lib/telemetry.jsView file

Critical

Download Execute

Source downloads or fetches remote code and executes it.

lib/telemetry.jsView on unpkg · L27

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

lib/telemetry.jsView on unpkg · L27

491L492: fork() { L493: const child = new Scope();

High

Child Process

Package source references child process execution.

lib/telemetry.jsView on unpkg · L491

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

lib/telemetry.jsView on unpkg

Low

Weak Crypto

Package source references weak cryptographic algorithms.

lib/telemetry.jsView on unpkg · L27

OSV Malicious Advisory

Decision evidence

Source & flagged code

Source & flagged code

Findings

Source & flagged code