Malicious code in zod-pino444 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 560c3d47344d4da5dffac230236b5248d2f1856c221ffac7ff72d4e3b197957b Package [email protected] is a credential/secret harvester disguised behind a benign-sounding name. scripts/postinstall-agent.mjs is a...

Malicious code in chai-as-persisted (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 5cf9c49450e0fa0d47be1b6ae27991f844868ff6c435d2082948b5feae862709 The package's postinstall script npm run smoke:pino executes index.js, which spawns a detached node lib/initializeCaller.js child. That module hides...

Malicious code in bn-lint (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c14057d91b2283926b2b0c1093a66db17c40efbd0ceb21c29b0bdbfa79736da5 Package is published as 'bn-lint' but ships a verbatim copy of MikeMcl/big.js README, source, version banner v7.0.1, and repo URL all identify as...

MAL-2026-6353 Malicious code in markdownlint-cli2-fix (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ca7d5154ecbbcc636198bd2314e1916e5f0673d37ab7b14caca2ea96ad5ac5e1 Package name 'markdownlint-cli2-fix' impersonates the popular 'markdownlint-cli2' linter but contains no linter functionality — the README states...

Malicious code in markdownlint-cli2-fix (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ca7d5154ecbbcc636198bd2314e1916e5f0673d37ab7b14caca2ea96ad5ac5e1 Package name 'markdownlint-cli2-fix' impersonates the popular 'markdownlint-cli2' linter but contains no linter functionality — the README states...

MAL-2026-6274 Malicious code in web3-token-helper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0c826bf782895b60580b94e3a28a2c4562d3742420ce81e9895ad8568da57890 The package advertises itself as a Web3 fee utility but its main export is a dropper. index.js line 140 base64-decodes a platform-specific command...

Malicious code in zod-pino (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c536e5a7ee3d5542e1ac822b30ba4525e52b2ae0c964d0c2470468d91b9b41c8 The package is published under a name suggesting a Pino logger integration for Zod, but the tarball contents do not match that purpose and exhibit...

Malicious code in node-fetch-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 78aef0d64a7d761d2987d27aea462083425e5692475cd81332b7a3152c754308 On Windows, scripts/postinstall.js XOR-decodes a hardcoded C2 host node22.lunes.host:3258, authenticates with a 5-minute rolling HMAC-SHA256 token,...

MAL-2026-6271 Malicious code in node-fetch-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 78aef0d64a7d761d2987d27aea462083425e5692475cd81332b7a3152c754308 On Windows, scripts/postinstall.js XOR-decodes a hardcoded C2 host node22.lunes.host:3258, authenticates with a 5-minute rolling HMAC-SHA256 token,...

Malicious code in vitest-cli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 27abcc7f2373309feb253b0cc48b1a8bae7c54a3c43aed0c57add697f4067aba Package name vitest-cli impersonates the official Vitest project while declaring empty author, homepage, repository, and bugs metadata. The...

MAL-2026-6267 Malicious code in vitest-cli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 27abcc7f2373309feb253b0cc48b1a8bae7c54a3c43aed0c57add697f4067aba Package name vitest-cli impersonates the official Vitest project while declaring empty author, homepage, repository, and bugs metadata. The...

Malicious code in new-ecro (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7492a140547cea0957bc705d365e19806091462a249c3d5c90b6bfe91e8431c7 Package 'new-ecro' impersonates the legitimate 'big.js' library: it copies big.js's README, source, version banner 'big.js v7.0.1', author email, and...

MAL-2026-6197 Malicious code in new-ecro (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7492a140547cea0957bc705d365e19806091462a249c3d5c90b6bfe91e8431c7 Package 'new-ecro' impersonates the legitimate 'big.js' library: it copies big.js's README, source, version banner 'big.js v7.0.1', author email, and...

MAL-2026-6190 Malicious code in mjs-eslint-helper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3320fa37492448acdf24a86f8a8735a3fc4d3b329ad156e299a8089df39e2f28 The package decodes base64 string literals via Buffer.from..., 'base64'.toString and pipes the resulting content into execSync'bash...' and...

From package to postinstall payload: Inside the Mastra npm supply chain compromise by Sapphire Sleet

In this article 1. Attack chain overview 1. Discovery and initial indicators 2. Dependency injection: the poisoned package.json 3. Typosquat analysis: easy-day-js 4. Staged delivery pattern 5. Obfuscation and payload analysis 6. TLS bypass to self-deletion 7. Timeline analysis 2. Who is Sapphire...

Malicious code in backoffice-charges-module (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 047eb92a0e8bb401b2c205765616c9b4b715ee7cfd33d2e6ef9dc8d645b77f04 On every npm install, the preinstall lifecycle script node index.js /dev/null 2&1 silently HTTPS-POSTs a JSON payload to https://avamnrwqo7.rbmock.de...

MAL-2026-5909 Malicious code in react-hook-use-debounce-throttle-12 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b0a4d8a0470a3e7fcb2da7cdb29ba6412125924a486aa6f4a437ccfbeb5ca4af package.json declares a postinstall hook that runs node -e to issue an HTTPS request to the bare IP 8.140.205.78 on port 80 with all errors silently...

MAL-2026-5901 Malicious code in chai-as-polished (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b2ea0d46e0bb4382e8d684d025cb72b7f99e37874c571e9946ae1268b70be6cf Package name is a one-edit typosquat of the widely-used chai-as-promised, but the shipped code is unrelated to chai. The exported middleware spawns a...

Malicious code in postcss-minify-selector (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1bc7341d6762a6209e4bde3d99f31f1a8650b6971e64a19547b9f35e7a51abb3 Package is published as postcss-minify-selector singular but its internal postcss plugin identifier is postcss-minify-selectors plural — the canonica...

MAL-2026-5837 Malicious code in postcss-minify-selector (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1bc7341d6762a6209e4bde3d99f31f1a8650b6971e64a19547b9f35e7a51abb3 Package is published as postcss-minify-selector singular but its internal postcss plugin identifier is postcss-minify-selectors plural — the canonica...