{"id":"MAL-2024-12226","summary":"Malicious code in calccc (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (66371c79f4cedb638d8d283883415c46a4bf6be25e3699fe5229bc8cd71a2f0a)\nPackages either test the malicious behaviour, or actually download and run a simple remote script during the installation.\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: 2023-12-valuent\n\n\nReasons (based on the campaign):\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\n\n - Downloads and executes a remote malicious script.\n","modified":"2025-12-12T20:34:15.645177Z","published":"2024-11-30T09:03:27Z","database_specific":{"malicious-packages-origins":[{"id":"pypi/2023-12-valuent/calccc","import_time":"2025-12-02T22:30:55.930588115Z","modified_time":"2024-11-30T09:03:27Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}],"sha256":"dc013333b1f37bacf53b2fcec8a21efa28a7d9320468c74bba4dc14223a66239","source":"kam193"},{"id":"pypi/2023-12-valuent/calccc","import_time":"2025-12-02T23:07:19.120483549Z","modified_time":"2024-11-30T09:03:27Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}],"sha256":"66371c79f4cedb638d8d283883415c46a4bf6be25e3699fe5229bc8cd71a2f0a","source":"kam193"},{"import_time":"2025-12-10T21:38:58.254442459Z","modified_time":"2024-11-30T09:03:27Z","sha256":"2ac839a2c2561fb78df54ffbc3c8a2662624c376ad59a6231d8f57dc78cbdcc8","source":"kam193","versions":["1.0.0"],"id":"pypi/2023-12-valuent/calccc"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/calccc"}],"affected":[{"package":{"name":"calccc","ecosystem":"PyPI","purl":"pkg:pypi/calccc"},"versions":["1.0.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/calccc/MAL-2024-12226.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":"ANALYST"}]}