{"id":"MAL-2026-18118","summary":"Malicious code in semer (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (7479f42de6f963e39b7aa1409b586e605dca69978763ab35236d20c9126aa4f1)\nDuring installation, package downloads and executes malware.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-10-semvver\n\n\nReasons (based on the campaign):\n\n\n - Downloads and executes a remote executable.\n\n\n - malware\n\n\n - typosquatting\n","modified":"2026-10-22T23:45:03.963963545Z","published":"2026-10-20T23:02:04Z","database_specific":{"malicious-packages-origins":[{"import_time":"2026-10-20T23:38:02.547920843Z","modified_time":"2026-10-20T23:02:04.089029Z","sha256":"7479f42de6f963e39b7aa1409b586e605dca69978763ab35236d20c9126aa4f1","source":"kam193","versions":["1.0.0"],"id":"pypi/2026-10-semvver/semer"},{"import_time":"2026-10-22T23:38:53.987882051Z","modified_time":"2026-10-20T23:02:04.089029Z","sha256":"77a83c900954eea717ed30c2ec5f6e51b1b0b4a9591409845af5eadce09f4dfb","source":"kam193","versions":["1.0.0"],"id":"pypi/2026-10-semvver/semer"}],"iocs":{"urls":["https://c2-worker.crawlnet-claim.workers.dev/dl/pyupd"],"domains":["c2-worker.crawlnet-claim.workers.dev"]}},"references":[{"type":"EVIDENCE","url":"https://www.virustotal.com/gui/file/e6d96b5500b232bea67f6f9046cfbc22d29a515c42d2af9523a15ebe8a7c4ab7/"},{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/semer"}],"affected":[{"package":{"name":"semer","ecosystem":"PyPI","purl":"pkg:pypi/semer"},"versions":["1.0.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/semer/MAL-2026-18118.json"}}],"schema_version":"1.9.0","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}