{"id":"MAL-2025-6439","summary":"Malicious code in atlasctf-21-prod-02 (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (797236959adb77b5a2b6d687ba0dcd688ea1fff675136998f38fedc01c65fa89)\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":"2026-03-19T12:50:37.997107Z","published":"2025-06-07T14:05:45Z","database_specific":{"malicious-packages-origins":[{"sha256":"50369e17b8c7230cf5d138ad7d48ee64ee6277e5fa2221e6d3540c587336fae6","versions":["99.99.99","99.99.99.1"],"source":"reversing-labs","id":"RLMA-2025-03524","import_time":"2025-08-01T10:07:09.145940934Z","modified_time":"2025-07-31T19:14:03Z"},{"sha256":"781e6cf8b4fb8cb99b40edcd9a46bd6a5321a238fd86c8926ee8d5a4d077c686","source":"kam193","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"id":"pypi/2025-06-atlasctf/atlasctf-21-prod-02","import_time":"2025-12-02T22:30:55.84328692Z","modified_time":"2025-06-07T14:05:45Z"},{"sha256":"797236959adb77b5a2b6d687ba0dcd688ea1fff675136998f38fedc01c65fa89","source":"kam193","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"id":"pypi/2025-06-atlasctf/atlasctf-21-prod-02","import_time":"2025-12-02T23:07:19.02375289Z","modified_time":"2025-06-07T14:05:45Z"},{"sha256":"defa4c468bed87f46d721c6c3e6b74a021c60fb886af87d2b5207422710e12c1","versions":["99.99.99","99.99.99.1"],"source":"kam193","id":"pypi/2025-06-atlasctf/atlasctf-21-prod-02","import_time":"2025-12-10T21:38:58.168722793Z","modified_time":"2025-06-07T14:05:45Z"},{"sha256":"84562c1ad056861d7ffd78b09f50413a7a92d1d4d419d3ae0bbaf9940ee91cc2","source":"reversing-labs","id":"RLUA-2026-00097","import_time":"2026-03-19T12:19:25.241941041Z","modified_time":"2026-03-18T12:11:24Z"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/atlasctf-21-prod-02"}],"affected":[{"package":{"name":"atlasctf-21-prod-02","ecosystem":"PyPI","purl":"pkg:pypi/atlasctf-21-prod-02"},"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-02/MAL-2025-6439.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"}]}