MAL-2026-12450

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## Source: amazon-inspector (4e4bd3cdacfc8ad3f6e278f3bdfa4c19ed82be8ad966863c91c176af4f712d26) On `require`/`import`, `_compat.js` (reached from `index.js`) downloads a platform-specific executable from hardcoded Cloudflare Workers subdomains (`oob-worker.cf100-416.workers.dev`, `oob-worker.cf101-adf.workers.dev`, `oob-worker.cf103-070.workers.dev`) with a DNS-TXT covert-channel fallback that reassembles a base64 payload from numbered subdomains under `well1.site` (`c.<domain>`, `tin.dl.well1.site`, `tina.dl.well1.site`, `ldr.dl.well1.site`, `win.dl.well1.site`). The fetched bytes are written to `/tmp/.cache_<hex>` on Unix or `%TEMP%\dotnet_diag_<hex>.exe` on Windows under disguised cache/diagnostic names, chmod +x'd, and spawned detached via `/bin/sh -c '<path> &'` or `cmd`. The C2 hostnames are constructed by joining split string fragments to evade static analysis. A cooldown flag file (`/tmp/.analytics_state` or `%TEMP%/analytics_state`) suppresses re-execution for ~22046 seconds, and execution is gated on `DISABLE_TELEMETRY` / `ANALYTICS_OPT_OUT` / `DO_NOT_TRACK` env vars as a telemetry cover story. The destinations are anonymous Cloudflare Workers subdomains and a lookalike DDNS-style domain unrelated to any legitimate publisher; no integrity verification is performed on the downloaded binary.