Malicious code in devplatform-react-sentry (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (11c8b0ca0cc6515e9f2709024217d665a13ee6ee2abfe66d57413a4901989fca) On require(), index.js loads _loader.js which fetches a platform-specific binary from obfuscated Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf100-416.workers.dev) whose hostnames are reconstructed at runtime by joining split string arrays. The retrieved payload is written to /tmp or %TEMP% under disguised names such as dotnet_diag_*.exe or.cache_*, chmod'd 0755, and spawned detached via spawn('/bin/sh', ['-c', path+' &']) or spawn('cmd',...). No hash or signature verification is performed, and the destinations are not the publisher's infrastructure. A DNS-TXT covert-channel fallback under *.dl.wel1.ru (also assembled from split strings) delivers a base64-chunked payload when HTTPS fetch fails. The combination of split-string hostname reconstruction, non-publisher mutable delivery hosts, no integrity verification, disguised drop filenames, detached shell execution on require, and DNS-TXT delivery fallback constitutes an install/import-time dropper that executes attacker-controlled code on the installer's machine.
Malicious code in devplatform-react-sentry (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (11c8b0ca0cc6515e9f2709024217d665a13ee6ee2abfe66d57413a4901989fca) On require(), index.js loads _loader.js which fetches a platform-specific binary from obfuscated Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf100-416.workers.dev) whose hostnames are reconstructed at runtime by joining split string arrays. The retrieved payload is written to /tmp or %TEMP% under disguised names such as dotnet_diag_*.exe or.cache_*, chmod'd 0755, and spawned detached via spawn('/bin/sh', ['-c', path+' &']) or spawn('cmd',...). No hash or signature verification is performed, and the destinations are not the publisher's infrastructure. A DNS-TXT covert-channel fallback under *.dl.wel1.ru (also assembled from split strings) delivers a base64-chunked payload when HTTPS fetch fails. The combination of split-string hostname reconstruction, non-publisher mutable delivery hosts, no integrity verification, disguised drop filenames, detached shell execution on require, and DNS-TXT delivery fallback constitutes an install/import-time dropper that executes attacker-controlled code on the installer's machine.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12742
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a735738bf8831d53914c48c
Added to database: 08/05/2026, 15:31:04 UTC
Last updated: 08/05/2026, 15:39:19 UTC
Views: 1
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