{"id":"MAL-2025-6453","summary":"Malicious code in atlasctf-21-prod-16 (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (57c6acfcb3c6bb659cac9b311e2cc25e72f3ab57d80e3403b70b7e05a2a06ed9)\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":"2026-03-19T12:50:47.674929Z","published":"2025-06-07T14:05:45Z","database_specific":{"malicious-packages-origins":[{"versions":["99.99.99","99.99.99.1"],"id":"RLMA-2025-03538","import_time":"2025-08-01T10:07:09.570376744Z","modified_time":"2025-07-31T19:14:13Z","sha256":"5b29bfc6e361bd5ae424d9b3b0ae26757a0fe30089eec8126764775a9b588e3b","source":"reversing-labs"},{"source":"kam193","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-16","import_time":"2025-12-02T22:30:55.857307225Z","modified_time":"2025-06-07T14:05:45Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}],"sha256":"a7d8358425455cb497d72b6abf91196967dac601763c7f54cb113c8cb18fe0dd"},{"id":"pypi/2025-06-atlasctf/atlasctf-21-prod-16","import_time":"2025-12-02T23:07:19.039462185Z","modified_time":"2025-06-07T14:05:45Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}],"sha256":"57c6acfcb3c6bb659cac9b311e2cc25e72f3ab57d80e3403b70b7e05a2a06ed9","source":"kam193"},{"id":"pypi/2025-06-atlasctf/atlasctf-21-prod-16","import_time":"2025-12-10T21:38:58.182103807Z","modified_time":"2025-06-07T14:05:45Z","sha256":"559d0b13a9920c3186c0a3bfe89171fc66133df85892cac538b6b08c66072fff","source":"kam193","versions":["99.99.99","99.99.99.1"]},{"sha256":"6c094d1f515b8eaaeb3dffce98bde12d77536bf8eb3854f45d6113e1d15c5217","source":"reversing-labs","id":"RLUA-2026-00111","import_time":"2026-03-19T12:19:26.692470078Z","modified_time":"2026-03-18T12:11:32Z"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/atlasctf-21-prod-16"}],"affected":[{"package":{"name":"atlasctf-21-prod-16","ecosystem":"PyPI","purl":"pkg:pypi/atlasctf-21-prod-16"},"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-16/MAL-2025-6453.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"}]}