{"id":"MAL-2026-3088","summary":"Malicious code in bytedbackground (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (ab2e307770a6b144edad3254d316375ed3cdad0a56f21438b28bcc0f1a17fcb9)\nInstalling the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.\n\n\n---\n\nCategory: 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.\n\n\nCampaign: GENERIC-standard-pypi-install-pentest\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n","modified":"2026-04-27T06:18:52.308151Z","published":"2026-04-27T05:14:59Z","database_specific":{"malicious-packages-origins":[{"id":"pypi/GENERIC-standard-pypi-install-pentest/bytedbackground","source":"kam193","import_time":"2026-04-27T06:03:59.040855395Z","modified_time":"2026-04-27T05:14:59.386663Z","sha256":"ab2e307770a6b144edad3254d316375ed3cdad0a56f21438b28bcc0f1a17fcb9","versions":["99.9.9"]}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/bytedbackground"}],"affected":[{"package":{"name":"bytedbackground","ecosystem":"PyPI","purl":"pkg:pypi/bytedbackground"},"versions":["99.9.9"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/bytedbackground/MAL-2026-3088.json"}}],"schema_version":"1.7.5","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"ANALYST"}]}