- A npm bundle maintainer has fallen sufferer to a phishing assault
- The attackers accessed packages and up to date them to hold malware
- Most antivirus applications are nonetheless not correctly flagging the malicious DLL
A number of common npm packages with tens of millions of weekly downloads had been focused, and one used as a launchpad for malware deployment, when its maintainer fell prey to a phishing assault.
JounQin is a software program developer that maintains eslint-config-prettier, eslint-plugin-prettier, synckit, @pkgr/core, and napi-postinstall.
These packages assist combine and streamline code formatting with Prettier and ESLint, handle async-to-sync duties in Node.js, deal with native binary installs, and assist core utilities for bundling workflows.
Publishing a clear model
Prettier is a code formatting device that enforces constant model by robotically reformatting supply code. ESLint, however, is a static code evaluation device that scans JavaScript and TypeScript code for bugs, model points, and potential safety flaws with out operating the code.
They not too long ago obtained an electronic mail that spoofed the assist@npmjs.com account, and which requested them to “confirm” their account. They did so, and thus gave the attackers their login credentials. When the attackers gained entry, they used it to put in variations 8.10.1, 9.1.1, 10.1.6, and 10.1.7 of the eslint-config-prettier bundle. The group shortly noticed one thing was amiss, and notified the developer.
It was decided the malicious model runs a postinstall script as quickly as it’s put in. This script tries to execute a DLL by way of the rundll32 Home windows system course of which is now being flagged as a trojan.
The vast majority of antivirus applications are nonetheless not flagging this .DLL as malware. Up to now, simply 19 out of 72 engines are detecting this DLL as malicious.
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"I've deleted that npm token and can publish a brand new model ASAP," JounQin stated after realizing they had been compromised. "Thanks all, and sorry for my negligence.”
Here’s a record of the malicious packages which needs to be averted:
eslint-config-prettier variations 8.10.1, 9.1.1, 10.1.6, and 10.1.7.
eslint-plugin-prettier variations 4.2.2 and 4.2.3.
synckit model 0.11.9
@pkgr/core model 0.2.8
napi-postinstall model 0.3.1
Through BleepingComputer
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