aiohttp-util

{"modified":"2026-05-13T20:05:11Z","published":"2026-05-13T20:05:11Z","schema_version":"1.7.4","id":"MAL-2026-3699","summary":"Malicious code in aiohttp-util (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (b5a826a64a0405306b51cd85239237982278e758bc8109e7da521e15f003ca6e)\nDuring installation, package exfiltrates some basic info to a GitHub issue comment, and then attempt to set up a persistent infostealer focused on exfiltrating crypto wallets and browsers data. Likely continuation of 2026-05-py-requests\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-06-alembic-util\n\n\nReasons (based on the campaign):\n\n\n - infostealer\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n\n\n - crypto-related\n\n\n - Downloads and executes a remote malicious script.\n\n\n - exfiltration-browser-data\n\n\n - exfiltration-crypto\n\n\n - persistence\n\n\n - typosquatting\n","affected":[{"package":{"ecosystem":"PyPI","name":"aiohttp-util"},"versions":["0.68.253"]}],"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/aiohttp-util"}],"credits":[{"name":"Kamil Mańkowski (kam193)","type":"REPORTER","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"]}],"database_specific":{"iocs":{"urls":["https://api.github.com/repos/guellemilb/c2-relay/issues/1/comments","https://gist.githubusercontent.com/guellemilb/631fb6348967d9d475125edf67048c0e/raw/build_utils.py/raw/pyrat_light.py","https://gist.githubusercontent.com/guellemilb/631fb6348967d9d475125edf67048c0e/raw/build_utils.py"]},"malicious-packages-origins":[{"id":"pypi/2025-06-alembic-util/aiohttp-util","import_time":"2026-05-13T21:05:10.35605351Z","modified_time":"2026-05-13T20:05:11.978809Z","sha256":"b5a826a64a0405306b51cd85239237982278e758bc8109e7da521e15f003ca6e","source":"kam193","versions":["0.68.253"]}]}}