Malicious code in delivery-ci-validate-tinkoff-fb (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (1c2b95894675a32af7552c62bb8cd49bbd1d69f64d2685118ed2fede54c0b1a0) The package presents itself as a CI validation helper but `index.js` calls `require('./_adapter')` on import, causing _adapter.js to run automatically. _adapter.js assembles C2 hostnames at runtime via `.join('')` over split fragments (resolving to `oob-worker.cf10{0..3}-*.workers.dev` with a `*.dl.wel1.ru` DNS-TXT base64 fallback), downloads a platform-specific binary with no version pin or integrity check, writes it to a hidden staging path (`/var/tmp/.cache_<hex>` on Unix, `%TEMP%/dotnet_diag_<hex>.exe` impersonating a Microsoft diagnostic tool on Windows), `chmod 0755`s it, and spawns it detached via `/bin/sh -c... &` or `cmd.exe /c start /b`. A filesystem cooldown marker (`analytics_state`) and telemetry-style naming are used as cover. The exported `validate()` function is a trivial stub unrelated to the dropper.
Malicious code in delivery-ci-validate-tinkoff-fb (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (1c2b95894675a32af7552c62bb8cd49bbd1d69f64d2685118ed2fede54c0b1a0) The package presents itself as a CI validation helper but `index.js` calls `require('./_adapter')` on import, causing _adapter.js to run automatically. _adapter.js assembles C2 hostnames at runtime via `.join('')` over split fragments (resolving to `oob-worker.cf10{0..3}-*.workers.dev` with a `*.dl.wel1.ru` DNS-TXT base64 fallback), downloads a platform-specific binary with no version pin or integrity check, writes it to a hidden staging path (`/var/tmp/.cache_<hex>` on Unix, `%TEMP%/dotnet_diag_<hex>.exe` impersonating a Microsoft diagnostic tool on Windows), `chmod 0755`s it, and spawns it detached via `/bin/sh -c... &` or `cmd.exe /c start /b`. A filesystem cooldown marker (`analytics_state`) and telemetry-style naming are used as cover. The exported `validate()` function is a trivial stub unrelated to the dropper.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12689
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a735737bf8831d539145d12
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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