{"id":"MAL-2025-6437","summary":"Malicious code in atlasctf-21-prod-00 (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (14e4ae78e884590292b3a8ef6ebe2093e02ffc05d89f37718d9f2573e8a9e5e0)\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":"2026-03-19T12:50:38.920990Z","published":"2025-06-07T14:05:45Z","database_specific":{"malicious-packages-origins":[{"versions":["99.99.99","99.99.99.1"],"source":"reversing-labs","id":"RLMA-2025-03522","modified_time":"2025-07-31T19:14:01Z","sha256":"873f570a735a432a0ce326506af7b20d11667895d39f6a1fa45f00008e21c02d","import_time":"2025-08-01T10:07:09.016258289Z"},{"source":"kam193","modified_time":"2025-06-07T14:05:45Z","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-00","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"sha256":"6f85bf4045bf37f1b441dff306433448960cc0545dc06908161cd0b7991af75b","import_time":"2025-12-02T22:30:55.841600468Z"},{"source":"kam193","modified_time":"2025-06-07T14:05:45Z","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-00","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"sha256":"14e4ae78e884590292b3a8ef6ebe2093e02ffc05d89f37718d9f2573e8a9e5e0","import_time":"2025-12-02T23:07:19.021747594Z"},{"versions":["99.99.99","99.99.99.1"],"source":"kam193","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-00","modified_time":"2025-06-07T14:05:45Z","sha256":"6fb6fe8d79d0dce104d631497d65aefe61ef9d5da2258ce54fed259f6fd31549","import_time":"2025-12-10T21:38:58.166773289Z"},{"source":"reversing-labs","id":"RLUA-2026-00095","modified_time":"2026-03-18T12:11:22Z","sha256":"60b6a6375018f72d5602a0802ad755982a77d469ba4f39094860fffa74b5979d","import_time":"2026-03-19T12:19:25.035697722Z"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/atlasctf-21-prod-00"}],"affected":[{"package":{"name":"atlasctf-21-prod-00","ecosystem":"PyPI","purl":"pkg:pypi/atlasctf-21-prod-00"},"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-00/MAL-2025-6437.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"}]}