{"id":"MAL-2025-6438","summary":"Malicious code in atlasctf-21-prod-01 (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (258b21be0ec08a121a4b506eb1cc9409d08b0cfecc9a2b995181dee57254afc7)\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":"2026-03-19T12:50:32.036869Z","published":"2025-06-07T14:05:45Z","database_specific":{"malicious-packages-origins":[{"source":"reversing-labs","import_time":"2025-08-01T10:07:09.03992215Z","id":"RLMA-2025-03523","sha256":"7610265b167e510b8ff31a10542797ab57f6af6153353dc8e8c04de48f157f68","modified_time":"2025-07-31T19:14:02Z","versions":["99.99.99","99.99.99.1"]},{"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"import_time":"2025-12-02T22:30:55.842515618Z","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-01","sha256":"a5f1be7e611eea05843d4c0500d16e3ba21a6bab838abff2c4a2881050e9f595","modified_time":"2025-06-07T14:05:45Z","source":"kam193"},{"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"import_time":"2025-12-02T23:07:19.022767158Z","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-01","sha256":"258b21be0ec08a121a4b506eb1cc9409d08b0cfecc9a2b995181dee57254afc7","modified_time":"2025-06-07T14:05:45Z","source":"kam193"},{"source":"kam193","import_time":"2025-12-10T21:38:58.167954371Z","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-01","sha256":"d50fc830df5b65081a81873ee547b5eea208969210ec12d843e531f21ad17e4c","modified_time":"2025-06-07T14:05:45Z","versions":["99.99.99","99.99.99.1"]},{"source":"reversing-labs","import_time":"2026-03-19T12:19:25.128790191Z","id":"RLUA-2026-00096","sha256":"244eb9843d1a88bce3dd0a335a29efa634335acd02dbeed27e556e838b2464f0","modified_time":"2026-03-18T12:11:22Z","versions":["0.0.10"]}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/atlasctf-21-prod-01"}],"affected":[{"package":{"name":"atlasctf-21-prod-01","ecosystem":"PyPI","purl":"pkg:pypi/atlasctf-21-prod-01"},"versions":["99.99.99","99.99.99.1","0.0.10"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/atlasctf-21-prod-01/MAL-2025-6438.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"}]}