mal-2026-14516
Vulnerability from ossf_malicious_packages
-= Per source details. Do not edit below this line.=-
Source: amazon-inspector (ad998d7ff924f18f57116d8dd586342fd060d8fb1459d94c0a911589bc2e3686)
The package's module polls a hardcoded Telegram bot (api.telegram.org, bot id 8871201315) for commands scoped to a specific chat and topic. On matching messages it downloads a video and forces fullscreen playback while blocking keyboard and mouse input (via keyboard and pynput hooks), kills explorer.exe, and for the /YoutubeCD variant executes shutdown /s /t 0 /f to unconditionally power off the host. The bot token, chat id, topic id, and staging directory components are stored as base64 literals decoded at runtime by a helper function; the staging directory is placed at %APPDATA%\Microsoft\Crypto\RSA\tools to mimic the legitimate Windows RSA key-storage path. At import time the module silently pip-installs undeclared runtime dependencies (requests, keyboard, pynput, psutil) using CREATE_NO_WINDOW to hide the console, then downloads yt-dlp.exe and deno.exe from the mutable releases/latest GitHub URLs with no hash verification into the disguised staging path and executes them as part of the remotely driven command chain. pyproject metadata is a placeholder (Your Name, no email, homepage, or repository), consistent with a throwaway anonymously published package.
Source: kam193 (af6c2393210af3735a9353f40789859af7f87c96bcbd00178df62edb2ff7175e)
The package hides code for exfiltrating files, recordings from the webcam, screenshots, keylogging.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-08-minecraft-ytreceiver
Reasons (based on the campaign):
-
spyware-like
-
files-exfiltration
-
uses-telegram-bot
-
keylogger
{
"affected": [
{
"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": [
{
"path": "src/youtube3_1/ytreciever.py",
"sha256": "2acad302d38f0cc33e3c72f67580a6c3731cea92d42ad6f72b8ce51a1433f242",
"tlsh": "b062b556fe2e5010c3f2199ef982d251e78b91070a766a93f93cc8a07f3d871917869e"
}
],
"package_integrity": [
{
"filename": "minecraft_ytreceiver-0.3.0-py3-none-any.whl",
"hashes": {
"blake2b_256": "edd84b9081c45a5a69258f80afd2876c0bd80f9c048f998b56db89e6acfd2d2a",
"md5": "51f054bffbd0d8129c2f50aee8412962",
"sha256": "c30f7d61e9ef78c47320a7c8509582059d4d6ee2e6299f55fd4f3bf8e0d8a9bf"
}
},
{
"filename": "minecraft_ytreceiver-0.3.0.tar.gz",
"hashes": {
"blake2b_256": "d33518397b01c5776be2e749d5ff19e761fd74441fa1c0f6aa9a82fb7d179c34",
"md5": "1992fbe0011acd9fe4bab0e5211a05b7",
"sha256": "cce40039996b877fe587ec69ed408f9a821b18334684b3f8191a5c7986a60149"
}
}
]
}
},
"package": {
"ecosystem": "PyPI",
"name": "minecraft-ytreceiver"
},
"versions": [
"0.1.0",
"0.2.0",
"0.3.0",
"0.4.0",
"0.5.0"
]
}
],
"credits": [
{
"contact": [
"inspector-research@amazon.com"
],
"name": "Amazon Inspector",
"type": "FINDER"
},
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "pypi/2026-08-minecraft-ytreceiver/minecraft-ytreceiver",
"import_time": "2026-08-25T19:45:31.991140004Z",
"modified_time": "2026-08-25T19:28:57.236512Z",
"sha256": "af6c2393210af3735a9353f40789859af7f87c96bcbd00178df62edb2ff7175e",
"source": "kam193",
"versions": [
"0.1.0",
"0.2.0",
"0.3.0",
"0.4.0",
"0.5.0"
]
},
{
"id": "IN-MAL-2026-018741",
"import_time": "2026-08-25T22:10:01.552916004Z",
"modified_time": "2026-08-25T21:44:23Z",
"sha256": "453ea5bf0f0310ae9355caa76fcbb82a34278fefef3ca64bcc60d1c4cfe6734f",
"source": "amazon-inspector",
"versions": [
"0.3.0"
]
},
{
"id": "IN-MAL-2026-018740",
"import_time": "2026-08-25T22:10:01.474388482Z",
"modified_time": "2026-08-25T21:44:15Z",
"sha256": "ad998d7ff924f18f57116d8dd586342fd060d8fb1459d94c0a911589bc2e3686",
"source": "amazon-inspector",
"versions": [
"0.1.0"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (ad998d7ff924f18f57116d8dd586342fd060d8fb1459d94c0a911589bc2e3686)\nThe package\u0027s module polls a hardcoded Telegram bot (api.telegram.org, bot id 8871201315) for commands scoped to a specific chat and topic. On matching messages it downloads a video and forces fullscreen playback while blocking keyboard and mouse input (via keyboard and pynput hooks), kills explorer.exe, and for the /YoutubeCD variant executes `shutdown /s /t 0 /f` to unconditionally power off the host. The bot token, chat id, topic id, and staging directory components are stored as base64 literals decoded at runtime by a helper function; the staging directory is placed at %APPDATA%\\Microsoft\\Crypto\\RSA\\tools to mimic the legitimate Windows RSA key-storage path. At import time the module silently pip-installs undeclared runtime dependencies (requests, keyboard, pynput, psutil) using CREATE_NO_WINDOW to hide the console, then downloads yt-dlp.exe and deno.exe from the mutable `releases/latest` GitHub URLs with no hash verification into the disguised staging path and executes them as part of the remotely driven command chain. pyproject metadata is a placeholder (`Your Name`, no email, homepage, or repository), consistent with a throwaway anonymously published package.\n\n## Source: kam193 (af6c2393210af3735a9353f40789859af7f87c96bcbd00178df62edb2ff7175e)\nThe package hides code for exfiltrating files, recordings from the webcam, screenshots, keylogging.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-08-minecraft-ytreceiver\n\n\nReasons (based on the campaign):\n\n\n - spyware-like\n\n\n - files-exfiltration\n\n\n - uses-telegram-bot\n\n\n - keylogger\n",
"id": "MAL-2026-14516",
"modified": "2026-08-25T22:11:57.018508970Z",
"published": "2026-08-25T19:28:57Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/minecraft-ytreceiver"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/minecraft-ytreceiver/0.3.0/"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/minecraft-ytreceiver/0.1.0/"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in minecraft-ytreceiver (PyPI)"
}
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.