fake-usreagant

{"modified":"2025-12-11T09:27:53Z","published":"2024-10-08T10:29:47Z","schema_version":"1.7.4","id":"MAL-2024-12270","summary":"Malicious code in fake-usreagant (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (ef713dc551a4b2eb9b0c94b270f4c214aa90e688076e15bb263b3bb5f3b8484b)\nPackage imitates the legitimate fake-useragent, however it has a few suspicious additions: fake.py L149 calls a function from 'urllib2' module, which contains a code attempting to JSON-deserialize encoded code. This is a pickle executing os.system(id), which of course isn't executed by json.loads, but would be by pickle. Also: action is suspicious, not really malicious, but the package is a clear typosquatting attempt.\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: 2024-10-old-fake-usreagant\n\n\nReasons (based on the campaign):\n\n\n - action-hidden-in-lib-usage\n\n\n - clones-real-package\n\n\n - typosquatting\n\n\n - dependency-confusion\n","affected":[{"package":{"ecosystem":"PyPI","name":"fake-usreagant"},"versions":["0.0.3"]}],"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/fake-usreagant"}],"credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"]},{"name":"Kamil Mańkowski (kam193)","type":"REPORTER","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"]}],"database_specific":{"malicious-packages-origins":[{"source":"kam193","sha256":"de00b37f49e2ff19849cb3269e70e2ad85aefca4a3a84f75aa1ad1bffec9cf3d","import_time":"2025-12-02T22:30:56.02420032Z","id":"pypi/2024-10-old-fake-usreagant/fake-usreagant","modified_time":"2024-10-08T10:29:47Z","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]},{"source":"kam193","sha256":"ef713dc551a4b2eb9b0c94b270f4c214aa90e688076e15bb263b3bb5f3b8484b","import_time":"2025-12-02T23:07:19.222983563Z","id":"pypi/2024-10-old-fake-usreagant/fake-usreagant","modified_time":"2024-10-08T10:29:47Z","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]},{"source":"kam193","sha256":"5d26cc05453bac24155479cf8ef3bd0bff5a647bdfec50efdec5e27e634361a1","import_time":"2025-12-10T21:38:58.364758916Z","id":"pypi/2024-10-old-fake-usreagant/fake-usreagant","modified_time":"2024-10-08T10:29:47Z","versions":["0.0.3"]}]}}