{"id":"MAL-2025-191908","summary":"Malicious code in tosa-serialization-lib (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (5badd7c7414eb1f6fbdf1934b42ffe74549daa74508afd092af853097170eb8e)\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":"2025-12-31T02:55:21.383941Z","published":"2025-10-14T09:40:20Z","database_specific":{"malicious-packages-origins":[{"sha256":"d650a23e1c1041143aa2d61e0077351589acf787e8010e7f98f0f77f89c2663e","source":"kam193","versions":["2.0.0","0.0.0"],"id":"pypi/GENERIC-standard-pypi-install-pentest/tosa-serialization-lib","import_time":"2025-12-02T22:30:56.467227327Z","modified_time":"2025-10-14T09:40:20.057368Z"},{"source":"kam193","versions":["2.0.0","0.0.0"],"id":"pypi/GENERIC-standard-pypi-install-pentest/tosa-serialization-lib","import_time":"2025-12-02T23:07:19.653418895Z","modified_time":"2025-10-14T09:40:20.057368Z","sha256":"5badd7c7414eb1f6fbdf1934b42ffe74549daa74508afd092af853097170eb8e"},{"id":"pypi/GENERIC-standard-pypi-install-pentest/tosa-serialization-lib","import_time":"2025-12-30T22:39:04.362600948Z","modified_time":"2025-10-14T09:40:20.057368Z","sha256":"dfaf508511f11ccefd083c8d4f5aa201597d95e562f3ac1cfa323aa35a2814af","source":"kam193","versions":["0.0.0","2.0.0"]}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/tosa-serialization-lib"}],"affected":[{"package":{"name":"tosa-serialization-lib","ecosystem":"PyPI","purl":"pkg:pypi/tosa-serialization-lib"},"versions":["2.0.0","0.0.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/tosa-serialization-lib/MAL-2025-191908.json"}}],"schema_version":"1.7.3","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"]},{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}