MAL-2026-13650
Malicious code in sme-rko-finance-front-operations-widget-domain (npm)
상세
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## Source: amazon-inspector (13823f2899a1bfed6b46575763e7ee2629fa4d9388130713a88125b1f38d6dae) On require() of this package, index.js loads _compat.js, which downloads a platform-specific native binary from Cloudflare Workers subdomains under oob-worker.cf*.workers.dev and, on failure, reassembles the payload from base64-encoded DNS TXT records under *.dl.wel1.ru. Destination hostnames and fallback resolver domains are hidden by joining split string fragments at runtime to evade static inspection. The downloaded binary is written to /var/tmp or %TEMP% under a disguised name (`.cache_<hex>` or `dotnet_diag_<hex>.exe`), chmodded to 0755, and spawned detached via /bin/sh -c or cmd.exe. Naming choices (`analytics_state`, `DISABLE_TELEMETRY`, `dotnet_diag_*.exe`) and a cooldown stamp present the behavior as benign telemetry while the code fetches and executes attacker-controlled native code on every consumer that imports the package. The DNS-TXT fallback provides a covert delivery channel that bypasses HTTP egress controls.
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