MAL-2026-15860

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MAL-2026-15860

Summary: Malicious code in py-0requests (PyPI)

Details: Source: amazon-inspector (bd1f4c6176eadca0e4a460d4434e9957eb9befa90d85feecd49e4baf7f3abb4b) py-0requests is a homoglyph typosquat of the PyPI package `requests` (letter `o` replaced with digit `0`). On `import py_0requests`, top-level code in the package's `__init__.py` scrapes `os.environ` for keys prefixed with SECRET, API, TOKEN, or KEY and sends the collected dictionary over a TCP socket to a host/port read from `TS_HOST`/`TS_PORT` (defaulting to 127.0.0.1:9999). The same import path spawns a Python subprocess that opens a TCP connection to the same destination, sends a `SHELL` marker, and holds the socket open, providing a reverse-shell handshake to whichever operator controls the destination. The package's CLI banner self-identifies as `targeting requests` and ships no HTTP-client API. Source: kam193 (0d447dd088f92d3af66ecad461725f2df268f5f073e22a7293b3f946451933fb) During import, the code exfiltrates potentially sensitive env variables. In all analyzed versions the exfiltration target was a localhost, suggesting it was just a test. Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities. Campaign: 2026-09-0requests Reasons (based on the campaign): - exfiltration-env-variables - typosquatting

References: https://bad-packages.kam193.eu/pypi/package/py-0requests, https://pypi.org/project/py-0requests/0.0.1/