{"id":"MAL-2025-4257","summary":"Malicious code in vfsrcetest (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (7df901b4edfbd807ba2046d52cb63fb5c952df8c0bb464d1faff3f3732680ffc)\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":"2026-03-19T12:57:53.675994Z","published":"2024-07-26T16:53:30Z","database_specific":{"malicious-packages-origins":[{"versions":["1.1"],"modified_time":"2025-05-22T12:33:55Z","id":"RLMA-2025-02615","sha256":"cf6dde6193ab9d2066190523347c2f9cd6d6c7e8f5c702922bcebf3ae1426f99","source":"reversing-labs","import_time":"2025-05-22T14:06:39.189820591Z"},{"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"modified_time":"2024-07-26T16:53:30Z","id":"pypi/GENERIC-standard-pypi-install-pentest/vfsrcetest","sha256":"866e6ebf7fed17a0509cca94af21d8d507c0da055978dcf42f14ea15786ff87b","source":"kam193","import_time":"2025-12-02T22:30:56.489721926Z"},{"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"modified_time":"2024-07-26T16:53:30Z","id":"pypi/GENERIC-standard-pypi-install-pentest/vfsrcetest","sha256":"7df901b4edfbd807ba2046d52cb63fb5c952df8c0bb464d1faff3f3732680ffc","source":"kam193","import_time":"2025-12-02T23:07:19.671426265Z"},{"versions":["1.1"],"modified_time":"2024-07-26T16:53:30Z","id":"pypi/GENERIC-standard-pypi-install-pentest/vfsrcetest","sha256":"07b33af987a8bbb9a871da151ff6e4b92990263bfc2ce72837d7cc8773206fea","source":"kam193","import_time":"2025-12-10T21:38:58.766265032Z"},{"modified_time":"2026-03-18T12:20:13Z","id":"RLUA-2026-00892","sha256":"1da41ddf90f0e97842b8dbff15c37b912fbd251e3ecf32f4f08415d68dad2e99","source":"reversing-labs","import_time":"2026-03-19T12:20:40.794891949Z"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/vfsrcetest"}],"affected":[{"package":{"name":"vfsrcetest","ecosystem":"PyPI","purl":"pkg:pypi/vfsrcetest"},"versions":["1.1"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/vfsrcetest/MAL-2025-4257.json"}}],"schema_version":"1.7.5","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"},{"name":"ReversingLabs","contact":["https://www.reversinglabs.com"],"type":"FINDER"}]}