Malicious code in twork-data-services-role-app (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector fc0980e765a4c7250c1ac7ca327daefbe85544498883193c5f5019b08c06b8ec On require, index.js loads init.js which downloads a platform-specific executable from hardcoded Cloudflare Workers hosts assembled via split-string...

MAL-2026-12136 Malicious code in accounts-stores (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c70d8323b295e6b8dfa18e720a7b6e2a719c42d19a5dedab1157866043417c7d The package advertises itself as a reactive state-management library but its index.js silently requires./setup at the end of module load inside a...

Malicious code in tinkoff-statist-browser-typed-client-sme.rko.authorization.common (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 698cb702f4e52ddb67226e8681dc3a11228f43cd11b47516329e16b8ae3de436 The package typosquats an internal Tinkoff scope name. On require, index.js loads init.js, which builds attacker hostnames at runtime from...

MAL-2026-12270 Malicious code in tinkoff-statist-browser-typed-client-sme.platform.mobile.dynamicteasers.common (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cd094a1c3c67af1fc7372e62ed565847fcf26962f3b90e53a5df200390c07a99 On require/import, index.js loads bridge.js which selects a platform-specific endpoint and downloads an opaque executable over HTTPS from hardcoded...

Malicious code in beaver-ui-actions-button (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1daeb30fbebca53883598794ed1662b3d15aca34b78d29257a477431a47201fd The package is published as a React components library but ships no React code. On library load, index.js auto-requires setup.js, which constructs...

Malicious code in paysafe-fraud (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a596646a3604e01bef558573fc7199a2b9e9cc07ab7edae1b7e445d2e2b860b6 Package advertises itself as the 'Paysafe Fraud Prevention SDK' name paysafe-fraud, repo github.com/paysafe/paysafe-fraud but the exported...

Malicious code in multer-orm (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7fb45c09aa7a237b2b9ff18ccf6426b76a4f46e5ea665c7747f35a345940e161 multer-orm is a typosquat of the widely used multer middleware. Its README is copied from multer, but the package adds a load-time dropper in...

MAL-2026-10074 Malicious code in testis-pack (npm)

The npm package testis-pack presents itself as a small binary packing/checksum utility pack/unpack/checksum/inspect but embeds an obfuscated dropper. It declares a preinstall: node index.js hook. The strings for the C2 host, path and dropped-binary name are not present in plaintext — they are...

MAL-2026-6187 Malicious code in eslint-helper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 5802f88a31cfb1c54196395aa04377de1c98657cdd78f59e4a595f2913239301 Package masquerades as an ESLint utility but contains no lint-related code. The exported fromstr recursively walks process.cwd searching for...

Malicious code in @hotcappuccino/nodepull (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 42e9bbd7a5cb25d0863ef140b42a7ab2abec1e921e18669eef3f07a91c3d6d99 @hotcappuccino/[email protected] ships a single index.js the package's declared main that is wrapped in an obfuscator.io string-array +...

Malicious Package

Overview staticlayer is a malicious package. This package is part of a coordinated malicious campaign that conceals a Windows binary dropper. While the package itself might not contain standalone malicious logic and masquerades as a benign micro-utility, it is part of a broader attack and should...

Malicious code in datetime-toolkit (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0dc38777296d43cff21c9e56d16208c8925c6dc25b5dec4227823da94096433d The package presents itself as a lightweight datetime utility but its main entry datetime.js invokes collect from ./index.js at top level, so any...

Linqi security vulnerabilities

Linqi is an English speaking practice platform developed by the German company Linqi. It combines human language interaction with AI-based feedback. Linqi has a security vulnerability, which stems from hard-coded encryption keys and weak algorithms for generating initialization vectors. This allo...

Malicious code in @nolimit-x/win32-x64 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 343787b335da015be56f49d118534c54bf81abab9e53b40bec0114d23bcc95c7 Package ships a single 8.1 MB Windows PE nolimit-core.exe as its main entry with only the description 'nolimit-x native binary for Windows x64' — no...

Too Log; Didn't Read — Unknown Actor Using CLFS Log Files for Stealth

The Mandiant Advanced Practices team recently discovered a new malware family we have named PRIVATELOG and its installer, STASHLOG. In this post, we will share a novel and especially interesting technique the samples use to hide data, along with detailed analysis of both files that was performed...

FLOSS - FireEye Labs Obfuscated String Solver (Automatically extract obfuscated strings from malware)

Rather than heavily protecting backdoors with hardcore packers, many malware authors evade heuristic detections by obfuscating only key portions of an executable. Often, these portions are strings and resources used to configure domains, files, and other artifacts of an infection. These key...

Using ILSpy to analyze a small adware file

My curiosity was triggered when the telemetry of our heuristic scanner started showing a multitude of reports about a small file called grandfather.exe, so I went out to grab a copy and have a look at it. As you can probably tell from some of the detection names at Virustotal, this is a MSIL...

Automatically Extracting Obfuscated Strings from Malware using the FireEye Labs Obfuscated String Solver (FLOSS)

Introduction and Motivation Have you ever run strings.exe on a malware executable and its output provided you with IP addresses, file names, registry keys, and other indicators of compromise IOCs? Great! No need to run further analysis or hire expensive experts to determine if a file is malicious...

Automatically Extracting Obfuscated Strings from Malware using the FireEye Labs Obfuscated String Solver (FLOSS)

Introduction and Motivation Have you ever run strings.exe on a malware executable and its output provided you with IP addresses, file names, registry keys, and other indicators of compromise IOCs? Great! No need to run further analysis or hire expensive experts to determine if a file is malicious...

FireEye MPS JAR analyzer command execution

Added: 12/28/2015 BID: 78809 Background The FireEye Malware Protection System MPS detects and eliminates malware found on file shares, web downloads, and e-mail. Problem A vulnerability in the Java Archive analysis tool could allow command execution when the tool analyzes a specially crafted JAR...