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{"schema_version":"1.9.2","id":"MAL-2026-18770","published":"2026-11-08T21:22:06Z","modified":"2026-11-11T21:15:15.148187926Z","summary":"Malicious code in bundyfed (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (72282ce21daff38b5a1d6b1253b8ada1078d699ed0a28ab1d13a7a408560366d)\nOn a default `pip install bundyfed` on Windows, setup.py downloads a binary from https://www.dropbox.com/scl/fi/37vq644nu3rqfaq5xcf9j/BundyMultiExternal.exe, writes it to %APPDATA%\\Microsoft\\Windows\\Caches\\svchost.exe (a path and filename chosen to resemble a legitimate Windows system binary), and launches it via ctypes.windll.shell32.ShellExecuteW. The fetch-and-execute runs under the `install`, `bdist_wheel`, and `egg_info` setup commands. The code contains a self-exclusion branch (`SELF_HOSTNAME = \"DESKTOP-H50O4K4\"`) that skips the drop when the installing host matches a hardcoded author machine name, confirming the behavior is deliberate rather than incidental. Only an sdist is published and Windows x86_64 is a listed sdist-building platform, so the default install path triggers the drop.\n\n## Source: kam193 (81b2cc96166cfebf7a2fb72d280ca06f5b9c4c9c735f6aee4beceafbce5430de)\nDuring installation, the package downloads a malicious executable holding an infostealer.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-11-bundyfed\n\n\nReasons (based on the campaign):\n\n\n - Downloads and executes a remote executable.\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n","affected":[{"package":{"name":"bundyfed","ecosystem":"PyPI","purl":"pkg:pypi/bundyfed"},"versions":["1.0.0","1.0.1"],"database_specific":{"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"},{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}],"indicators":{"evidence_files":[{"artifacts":["bundyfed-1.0.0.tar.gz"],"path":"setup.py","sha256":"e08dcdbcec04d7199516a8e0c8ff2002ef57cea752724a0e28b67ed75ebb8134","tlsh":"eb31eda28c15682c4532dead981694c6c71b6b737b7084167bbc82b55f740a8d31ebb8"}],"package_integrity":[{"filename":"bundyfed-1.0.0.tar.gz","hashes":{"blake2b_256":"78f71e798f0b5bccd2a870c1557c2eb225932433bf8567c39381349feedd3dc5","md5":"e0eabaa7bc4fdff7ee04ddccead069d4","sha256":"41b1ef936f8459d91ce417a664bf76741ed4fd1c71d3c865fd09d94d3f98a90f"}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/bundyfed/MAL-2026-18770.json"}}],"references":[{"type":"EVIDENCE","url":"https://tria.ge/261108-zrct6s1w2p"},{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/bundyfed"},{"type":"PACKAGE","url":"https://pypi.org/project/bundyfed/1.0.0/"},{"type":"PACKAGE","url":"https://pypi.org/project/bundyfed/1.0.1/"}],"database_specific":{"iocs":{"domains":["veled.com.tr"]},"malicious-packages-origins":[{"id":"pypi/2026-11-bundyfed/bundyfed","import_time":"2026-11-08T22:10:51.590445628Z","modified_time":"2026-11-08T21:22:06.144275Z","sha256":"81b2cc96166cfebf7a2fb72d280ca06f5b9c4c9c735f6aee4beceafbce5430de","source":"kam193","versions":["1.0.0","1.0.1"]},{"id":"IN-MAL-2026-022592","import_time":"2026-11-11T21:05:22.408459661Z","modified_time":"2026-11-11T20:51:05Z","sha256":"fadb6fc52bb2b3f3857092a0c3e1522165be44c9146660f9b3f63ab9175b6164","source":"amazon-inspector","versions":["1.0.0"]},{"id":"IN-MAL-2026-022590","import_time":"2026-11-11T21:05:22.27383316Z","modified_time":"2026-11-11T20:50:49Z","sha256":"72282ce21daff38b5a1d6b1253b8ada1078d699ed0a28ab1d13a7a408560366d","source":"amazon-inspector","versions":["1.0.1"]}]},"credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"},{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]} |