{"id":"MAL-2026-13619","summary":"Malicious code in atlas-internal (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (cdd4a17504623add1ff4f374ea9c2283d1eb5a863265e012592142b169cd9d90)\nsetup.py overrides the egg_info command to execute automatically during `pip install`. The overridden command collects the installer's hostname, current working directory, and OS username, URL-encodes them, and sends them via an HTTP GET request to a hardcoded Interactsh out-of-band callback subdomain at fpvbsifkklbmklusmxby2405wa7x7x5bf.oast.fun. This fires on default install without user interaction and leaks installer host identifiers to an attacker-controlled OOB server, consistent with a dependency-confusion reconnaissance beacon.\n\n## Source: kam193 (e41b6a5ae4af745c6bc5b2514fa7202d95242ef71a60a57f130524ccfddc99da)\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":"2026-08-07T17:00:11.211500029Z","published":"2026-08-07T16:03:42Z","database_specific":{"malicious-packages-origins":[{"versions":["1.8.1"],"id":"IN-MAL-2026-017105","import_time":"2026-08-07T16:51:13.974617548Z","modified_time":"2026-08-07T16:27:49Z","sha256":"cdd4a17504623add1ff4f374ea9c2283d1eb5a863265e012592142b169cd9d90","source":"amazon-inspector"},{"versions":["1.8.1"],"id":"pypi/GENERIC-standard-pypi-install-pentest/atlas-internal","import_time":"2026-08-07T16:51:18.188754135Z","modified_time":"2026-08-07T16:03:42.157607Z","sha256":"e41b6a5ae4af745c6bc5b2514fa7202d95242ef71a60a57f130524ccfddc99da","source":"kam193"}]},"references":[{"type":"PACKAGE","url":"https://pypi.org/project/atlas-internal/1.8.1/"},{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/atlas-internal"}],"affected":[{"package":{"name":"atlas-internal","ecosystem":"PyPI","purl":"pkg:pypi/atlas-internal"},"versions":["1.8.1"],"database_specific":{"indicators":{"package_integrity":[{"hashes":{"sha256":"688feee86baf582e6ce0f852101bae94be9f25b6bc0bf141dc17201f43ea3f2b","blake2b_256":"4376c20ea4b1823b5d77b55dbbc5b9ddb6c16ab003f5c9154e3fc7de091f4982","md5":"8ee2b458d841e8a202a01bf8bfb6b3e4"},"filename":"atlas_internal-1.8.1-py3-none-any.whl"},{"filename":"atlas_internal-1.8.1.tar.gz","hashes":{"blake2b_256":"96485a8ffb3f54ede4f85ea03f5deb2300e9add9c41c21a31d396e621ab14e7f","md5":"3683874bfbedd6fc742db8b59870d4ae","sha256":"fdbfb8e17aa35d24d345b5f208053ed90e1aaf194987f2951f1add4ab1a042b5"}}],"evidence_files":[{"sha256":"424d7fea62a5f0ae9e4c02a42b1fd4fe99adfd98b9d58be8cf1f0d2ea8d7d050","tlsh":"df11ce22c83b9467a18751a8480b157a2b75aa533e80f6b5787c37142f8e23cc8b69b5","path":"setup.py"}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/atlas-internal/MAL-2026-13619.json","cwes":[{"name":"Embedded Malicious Code","cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature."}]}}],"schema_version":"1.9.0","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"}]}