mal-2026-1289
Vulnerability from ossf_malicious_packages
Published
2026-03-08 19:35
Modified
2026-03-08 19:35
Summary
Malicious code in aioutil3 (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (cb06e8bed4bc80c83b203abcee07556086a0c41f2b52d72d4a3b3740ddfa95d0)
This is a malicious clone of legitimate python-utils. The modified code introduces a function that silently exfiltrates given data to a hardcoded location. What is interesting, during the analysis the remote domain did not exist and the malicious code was not called in the package, suggesting preparation for the further attack.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-03-aioutil3
Reasons (based on the campaign):
-
clones-real-package
-
The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.
Credits
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "aioutil3"
},
"versions": [
"3.9.1"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
}
],
"database_specific": {
"iocs": {
"domains": [
"aioutil3.tech"
],
"urls": [
"https://aioutil3.tech/api/info/faq/"
]
},
"malicious-packages-origins": [
{
"id": "pypi/2026-03-aioutil3/aioutil3",
"import_time": "2026-03-08T20:08:49.46127673Z",
"modified_time": "2026-03-08T19:35:54.941599Z",
"sha256": "cb06e8bed4bc80c83b203abcee07556086a0c41f2b52d72d4a3b3740ddfa95d0",
"source": "kam193",
"versions": [
"3.9.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (cb06e8bed4bc80c83b203abcee07556086a0c41f2b52d72d4a3b3740ddfa95d0)\nThis is a malicious clone of legitimate python-utils. The modified code introduces a function that silently exfiltrates given data to a hardcoded location. What is interesting, during the analysis the remote domain did not exist and the malicious code was not called in the package, suggesting preparation for the further attack.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-aioutil3\n\n\nReasons (based on the campaign):\n\n\n - clones-real-package\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n",
"id": "MAL-2026-1289",
"modified": "2026-03-08T19:35:54Z",
"published": "2026-03-08T19:35:54Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/aioutil3"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in aioutil3 (PyPI)"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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