MAL-2026-5725
Malicious code in dash-grid-normalizer (PyPI)
Details
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## Source: amazon-inspector (362011eafffa765e7f6c24df4ec2c7bb8f9fb6b6414570a5d193e6ea90e1250a) On import, src/dash_grid_normalizer/__init__.py calls _hydrate_remote_layout_profile(), which reassembles a payload from four string segments, base64-decodes and zlib-decompresses it, and passes the result to builtins.exec(). The decoded Python source imports os/socket/subprocess, connects a TCP socket to 43.69.137.236:80, dup2's stdin/stdout/stderr onto the socket, and execs /bin/sh — a standard reverse shell granting the operator of that IP interactive command execution as the installer's user. The C2 IP literal is itself further obfuscated as bytes([52,51,46,...]). The package's pyproject description ("Responsive grid and gutter helpers for dashboard widget layouts") and name are cover; the README self-identifies the project as a pentest probe with the reverse shell "LIVE CONFIRMED". Any process that does `import dash_grid_normalizer` (including transitive imports during test or build) opens the shell.
## Source: kam193 (b27c5f3eaf2e7f704830efee579b0a413695540736da93bc3219bfda4afecc79) During import, the package starts a reverse shell.
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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-06-acme-widget-layout-utils
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
No fixed version published yet for dash-grid-normalizer (pip). Pin to a known-safe version or switch to an alternative.