{"id":"MAL-2025-6440","summary":"Malicious code in atlasctf-21-prod-03 (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (374fe69b5719748c5255c0665469e0e45e3064884ece003a7fbfc56c04d3a93b)\nOn installation or importing, the package attempts to exfiltrate some basic information, e.g. /etc/passwd\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: 2025-06-atlasctf\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-generic\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":"2026-03-19T12:50:39.650970Z","published":"2025-06-07T14:05:45Z","database_specific":{"malicious-packages-origins":[{"modified_time":"2025-07-31T19:14:04Z","versions":["99.99.99","99.99.99.1"],"import_time":"2025-08-01T10:07:09.189695256Z","source":"reversing-labs","sha256":"f93a59fd0d977a1b6874633344c4de56029d52ad2128dd62adf6031acb536c52","id":"RLMA-2025-03525"},{"modified_time":"2025-06-07T14:05:45Z","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"import_time":"2025-12-02T22:30:55.844484889Z","source":"kam193","sha256":"0faa41ecc59c3b480580d8454b8773c85e9ccbfedf0ce85c715e08b075f135ef","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-03"},{"modified_time":"2025-06-07T14:05:45Z","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"import_time":"2025-12-02T23:07:19.024779079Z","source":"kam193","sha256":"374fe69b5719748c5255c0665469e0e45e3064884ece003a7fbfc56c04d3a93b","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-03"},{"modified_time":"2025-06-07T14:05:45Z","versions":["99.99.99","99.99.99.1"],"import_time":"2025-12-10T21:38:58.169570894Z","source":"kam193","sha256":"94d0ac117b393c6191ece0e535a192d69d5c2de3116dd99b900cb26416946744","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-03"},{"modified_time":"2026-03-18T12:11:24Z","import_time":"2026-03-19T12:19:25.367892613Z","source":"reversing-labs","sha256":"e46c572f66f69f53dbc2bb7f96e5ffd5b90a1c6c3b3e98341c3ef68db7db9d77","id":"RLUA-2026-00098"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/atlasctf-21-prod-03"}],"affected":[{"package":{"name":"atlasctf-21-prod-03","ecosystem":"PyPI","purl":"pkg:pypi/atlasctf-21-prod-03"},"versions":["99.99.99","99.99.99.1"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/atlasctf-21-prod-03/MAL-2025-6440.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":"ANALYST"},{"name":"ReversingLabs","contact":["https://www.reversinglabs.com"],"type":"FINDER"}]}