Malicious code in @cloudplatform-single-spa/onboarding (npm)

Part of a dependency confusion attack campaign targeting the @cloudplatform-single-spa and @mlspace npm scopes. The attacker npm user mr.4nd3r50n published 139 scoped packages at the inflated version 99.99.99, which resolves ahead of any private registry version via npm's default version...

Malicious code in auth-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

Malicious code in supabase-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

Malicious code in yaml-javascript (npm)

Source: google-open-source-security d83c3b506a10b770a8c1f98d280262478cccc65708bb1066a72e0708dccaaf75 This malicious package is part the IronWorm campaign. This campaign executes a malicious binary payload during installation via a preinstall hook. The payload is a Rust-built infostealer that...

Malicious code in javascript-yaml (npm)

Source: google-open-source-security d83c3b506a10b770a8c1f98d280262478cccc65708bb1066a72e0708dccaaf75 This malicious package is part the IronWorm campaign. This campaign executes a malicious binary payload during installation via a preinstall hook. The payload is a Rust-built infostealer that...

Malicious code in iceberg-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

Malicious code in chai-check-error (npm)

Source: amazon-inspector 6e290b42de2cbd4aa74afa6550fc9a0381dfcb0f6996dcdc22254268b391f9f8 [email protected] impersonates the legitimate chaijs/check-error utility copied README, author metadata, repository URL, and exported API surface and adds a malicious payload. package.json declares...

Malicious code in jest-test-plugin-utils (npm)

Source: amazon-inspector 3f948eff13632557a65152c587b6aa87783e49cf40504aedca8ee15da6ed205e The package advertises itself as a Jest plugin name: 'jest-test-plugin-utils', description: 'mqtt utils' but ships no Jest or MQTT functionality. Its main entry dist/index.js is a heavily obfuscated 200KB...

Malicious code in @caspianph/storyteller (npm)

Source: amazon-inspector 3bd24daaa395f2e6bfae7c6e6f488a6e114b87e2606ec1bce7dcd4ab6a92f40a The package ships setup.cjs containing heavily obfuscated JavaScript with hex-mangled identifiers 0x32549a, 0x4b2b44, 0x78c349, 0x119ac2 typical of payload-hiding techniques. A file named setup.cjs in an npm...

Malicious code in runtimekit (npm)

Source: amazon-inspector ffa393dec171ebd22b63776d7550006d3f9f60ad8726ce1153784080e9038acd lib/index.cjs and lib/index.mjs re-required from lib/readonly.cjs contain a self-executing IIFE that decodes two opaque strings via a custom shuffle routine YWG, recovers the identifier constructor from one ...

Malicious code in chai-as-built (npm)

Source: amazon-inspector 469c5ebe97d1e69d080295000d723febbb06050f65aed9a0f44a76fd707c0b1e chai-as-built masquerades as the pino logger package.json keywords 'fast','logger','stream','json'; file layout lib/proto.js, lib/redaction.js, lib/transport.js, lib/multistream.js, lib/levels.js; export...

Malicious code in express-plugin (npm)

Source: amazon-inspector 183cda19ef38d3451b375669fb460577a83217091d96d7fc11d5bf33679c8003 On module load, index.js auto-invokes initPlugin, which HTTP-GETs https://jsonkeeper.com/b/PRA3O, parses the JSON response, and passes the response's cookie field to Function.constructor with require exposed...

Malicious code in express-mocha-test (npm)

Source: amazon-inspector 01d87351be0d9f68d73ec05867e55fe5712d4885fa76c70c5ec9b003ef512825 [email protected] declares a postinstall lifecycle hook that loads the package's main module, which calls fetch against an anonymous ngrok-free.app tunnel https://2939e69fc408.ngrok-free.app/stats and...

Malicious code in polymarket-risk-manager (npm)

Source: amazon-inspector 54bfddce038bb64117d6850bb2977f8cee17704212e12e6214fb495b9d4cee79 On npm install, the package's postinstall script reads a config URL from package.json's homepage field https://parket-server-help.vercel.app/config/psm-peer.json, downloads a tarball from the returned bundle...

Malicious code in chai-as-type (npm)

chai-as-type is a malicious npm package that when imported downloads a C2 dropper from https://api.npoint.io/c26313f0733957a7d787 and executes it similar to malware in to chai-await-test. Source: amazon-inspector 75650bd9993ad4d310c42309ea4f185f9ec2bca169073315a9a1604c76830e41 The package name...

Malicious code in chai-secure (npm)

Source: amazon-inspector 4253b6520b80bd3c3ee724b9766c67a3a2d7abe074ee57e15d5b9b270bf74f55 chai-secure masquerades as a Chai plugin offering JWT/XSS/SQLi assertion helpers, but on every require/import of the package, index.js unconditionally spawns a detached, stdio-ignored Node child process...

Malicious code in poly-kelly (npm)

Source: amazon-inspector 3d3df5266b6e9d9347844e4e054ab744aad9517c6f55df4e68e6c6815e843da7 On npm install, the package's postinstall script reads the homepage field from package.json set to https://data-stream.space/config/stake-math-sync.json, fetches that JSON config, extracts a peerBundle tarba...

Malicious code in eslint-plus (npm)

Source: amazon-inspector fbc3baf80e31e8027d7bb5b3fe5a873c5ff72d8344d39f8f01e191699a2310d7 Package declares postinstall: node lib/utils/index.js, which spawns a detached, stdio-suppressed Node child spawn with detached:true, stdio:'ignore', child.unref that runs lib/utils/smtp-connection/index.js...

Malicious code in pxpure8 (npm)

Source: amazon-inspector a40ae433e9fa90bfbb449d343c281375329a44c0dacf080a91a0c1717579b679 The package's main entry pure.js consists of a single behavior: it creates a element pointing at https://cdn.jsdelivr.net/npm/px8my/px.js no version pin and appends it to document.head. When the module is...

Malicious code in driftpin (npm)

Source: amazon-inspector bb2b2601b0e4e6659a7fd042e4f227e3d22880c51355a793dbdc2e42d39805d5 [email protected] advertises itself in the README as an SVG sanitization/minification/conversion utility, but the only actual export from index.js is an undocumented function getPlugin. When a consumer calls...