{"id":"MAL-2025-191915","summary":"Malicious code in ultrafasttelethon (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (73a960b0cd2d21f8bde61f22f956a4c2a02ccddd9e1277eef23d3d8e0406cba4)\nClone of Telethon package that exfiltrates credentials. See client/telegrambaseclient.py L608-626 (exfiltration function) and client/auth.py L163 (usage).\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-04-fastgram\n\n\nReasons (based on the campaign):\n\n\n - clones-real-package\n\n\n - action-hidden-in-lib-usage\n\n\n - exfiltration-generic\n","modified":"2025-12-12T20:43:42.143576Z","published":"2025-04-04T12:54:50Z","database_specific":{"iocs":{"domains":["a1091388.xsph.ru","a1124634.xsph.ru"]},"malicious-packages-origins":[{"sha256":"2f2335d63eb797b5edb8c95d3c5c088e72acab99487bbea8294706207e379ad0","source":"kam193","id":"pypi/2025-04-fastgram/ultrafasttelethon","import_time":"2025-12-02T22:30:55.689812488Z","modified_time":"2025-04-04T12:54:50Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}]},{"import_time":"2025-12-02T23:07:18.736046313Z","modified_time":"2025-04-04T12:54:50Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}],"sha256":"73a960b0cd2d21f8bde61f22f956a4c2a02ccddd9e1277eef23d3d8e0406cba4","source":"kam193","id":"pypi/2025-04-fastgram/ultrafasttelethon"},{"source":"kam193","versions":["1.39.0","1.39.0.1","1.39.0.2","1.39.0.3"],"id":"pypi/2025-04-fastgram/ultrafasttelethon","import_time":"2025-12-10T21:38:57.908035501Z","modified_time":"2025-04-04T12:54:50Z","sha256":"29602e2cd7f36a4d478bdcd0bb75c12f7c61a35d253b73bd36f9a1e6975adab2"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/ultrafasttelethon"}],"affected":[{"package":{"name":"ultrafasttelethon","ecosystem":"PyPI","purl":"pkg:pypi/ultrafasttelethon"},"versions":["1.39.0","1.39.0.1","1.39.0.2","1.39.0.3"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/ultrafasttelethon/MAL-2025-191915.json"}}],"schema_version":"1.7.3","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":"REPORTER"}]}