fury_frontend-andes-uinpm
Advisory published Updated
fury_frontend-andes-ui is a confirmed malicious npm package (MAL-2026-10095) that opens a backdoor for remote access (malicious versions 99.9.5, 99.9.6). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in fury_frontend-andes-ui (npm)
What this malware does
The package's postinstall hook auto-executes index.js on npm install. The script collects the installer's OS username (os.userInfo()), current working directory (process.cwd()), and external IPv4 address from network interfaces, then POSTs them as JSON to a hardcoded interactsh out-of-band collector at dodwqvexnkotaavogofbj9kjz5pltcu7b.oast.fun/receive-data. The package name mimics MercadoLibre's internal 'fury/andes-ui' naming convention and is published at version 99.9.5 to force resolution over any legitimate internal package with the same name — the standard dependency-confusion attack shape. The package ships no library functionality matching its name; its only effect on install is the identity beacon.
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Backdoor / remote accessFind it
Search your lockfiles and build artifacts for fury_frontend-andes-ui (2 malicious versions).
If you installed it — respond
fury_frontend-andes-ui establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.
Did it already run?
If fury_frontend-andes-ui was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.
Frequently asked questions
Campaign
References
Credits
- Amazon Inspector · finder
Detect & block this
O3 blocks fury_frontend-andes-ui-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.