Malicious code in delivery-ci-upgrade-form (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (c49d0422f51d7d7937c6a2b133b12ac6f4c6f1b914f03e9a6ad558e1b0f09fce) index.js unconditionally requires./_runtime at module load. _runtime.js detects platform/arch and downloads an OS-specific binary (linux_x64, linux_arm64, darwin, win32) from string-split-obfuscated Cloudflare Worker hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT chunked fallback across sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The fetched payload is written to /tmp or %TEMP% under disguised names (.cache_<hex>, dotnet_diag_<hex>.exe), chmod'd to 0755, and spawned detached via /bin/sh -c or cmd.exe. A.analytics_state stamp file TTL-gates re-execution. lib/telemetry.js ships a parallel dropper (HttpTransport/ServiceDiscovery/WorkerHost/NativeProfiler) with base64-decoded chunks written to disk, chmod'd 0755, spawned via cp.spawn('/bin/sh', ['-c', filePath+' &']), and obfuscates the child_process import as require('child_' + 'process'). Destination hostnames and dangerous API names are reassembled from split-string arrays to defeat static analysis.
Malicious code in delivery-ci-upgrade-form (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (c49d0422f51d7d7937c6a2b133b12ac6f4c6f1b914f03e9a6ad558e1b0f09fce) index.js unconditionally requires./_runtime at module load. _runtime.js detects platform/arch and downloads an OS-specific binary (linux_x64, linux_arm64, darwin, win32) from string-split-obfuscated Cloudflare Worker hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT chunked fallback across sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The fetched payload is written to /tmp or %TEMP% under disguised names (.cache_<hex>, dotnet_diag_<hex>.exe), chmod'd to 0755, and spawned detached via /bin/sh -c or cmd.exe. A.analytics_state stamp file TTL-gates re-execution. lib/telemetry.js ships a parallel dropper (HttpTransport/ServiceDiscovery/WorkerHost/NativeProfiler) with base64-decoded chunks written to disk, chmod'd 0755, spawned via cp.spawn('/bin/sh', ['-c', filePath+' &']), and obfuscates the child_process import as require('child_' + 'process'). Destination hostnames and dangerous API names are reassembled from split-string arrays to defeat static analysis.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12686
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a735737bf8831d539145d92
Added to database: 08/05/2026, 15:31:03 UTC
Last updated: 08/05/2026, 15:31:03 UTC
Views: 1
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