MAL-2026-18336 Malicious code in h13t0ry-hello-demo (PyPI)

Malicious package Published
Package
h13t0ry-hello-demo
Registry
PyPI

What is MAL-2026-18336?

MAL-2026-18336 is a malicious package in h13t0ry-hello-demo, published on 27 Oct 2026.

Official description

On import, the package's top-level module code opens a TCP socket to the hardcoded IP 115.190.210.22:80, duplicates the socket over stdin/stdout/stderr via os.dup2, and spawns /bin/bash through pty.spawn, handing an interactive shell on the installer's host to the remote endpoint under the installing user's account. The module also exports a trivial one-line hello() function alongside the payload, and the package name uses leet-style substitution (h13t0ry) consistent with a cover story rather than a genuine demo package. The reverse-shell path is unauthenticated, undisclosed, and fires unconditionally on any import hello_demo.

During import package starts a reverse shell


Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-10-h13t0ry-hello-demo

Reasons (based on the campaign):

  • The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

What should I do about MAL-2026-18336?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

Is MAL-2026-18336 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free