{"id":"MAL-2025-4226","summary":"Malicious code in merpe (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (faca94094d9aee6f6c1cb44ef0429d261258fa7b12ee68d92a93c80054638561)\nInstalling the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.\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: GENERIC-standard-pypi-install-pentest\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","modified":"2026-03-19T12:54:58.873507Z","published":"2024-07-26T16:53:30Z","database_specific":{"malicious-packages-origins":[{"import_time":"2025-05-22T14:06:36.355281539Z","source":"reversing-labs","versions":["3.2.1","3.3.1"],"sha256":"8daaa684e09862865b454ccc812c3d1b7c1bc7ac0c628bae8b3db5c0fa957f15","modified_time":"2025-05-22T12:33:37Z","id":"RLMA-2025-02581"},{"import_time":"2025-12-02T22:30:56.209870636Z","source":"kam193","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"sha256":"c0777af2018d0dff9081b8690e1daab52a7006a934c259514f1c1f5b6a347f8c","modified_time":"2024-07-26T16:53:30Z","id":"pypi/GENERIC-standard-pypi-install-pentest/merpe"},{"import_time":"2025-12-02T23:07:19.392497308Z","source":"kam193","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"sha256":"faca94094d9aee6f6c1cb44ef0429d261258fa7b12ee68d92a93c80054638561","modified_time":"2024-07-26T16:53:30Z","id":"pypi/GENERIC-standard-pypi-install-pentest/merpe"},{"import_time":"2025-12-10T21:38:58.517073046Z","source":"kam193","versions":["3.2.1","3.3.1"],"sha256":"d8e305a9b32ee73771c81151cb597a6fa874f7363ac328748e12a6203153448c","modified_time":"2024-07-26T16:53:30Z","id":"pypi/GENERIC-standard-pypi-install-pentest/merpe"},{"import_time":"2026-03-19T12:20:03.988486822Z","source":"reversing-labs","sha256":"7bddd33bde8402010d3da1b30a4ebffcddfb8b1fdcf71e048ca24db81f410ebc","modified_time":"2026-03-18T12:16:03Z","id":"RLUA-2026-00516"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/merpe"}],"affected":[{"package":{"name":"merpe","ecosystem":"PyPI","purl":"pkg:pypi/merpe"},"versions":["3.2.1","3.3.1"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/merpe/MAL-2025-4226.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":"REPORTER"},{"name":"ReversingLabs","contact":["https://www.reversinglabs.com"],"type":"FINDER"}]}