mal-2025-47453
Vulnerability from ossf_malicious_packages
Published
2025-08-04 09:30
Modified
2025-12-11 09:27
Summary
Malicious code in sisaws (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: google-open-source-security (0cc916986327ca493d55160fe841e48b756a40e030f59880874386e9e1e8a148)
This package installs the SilentSync remote access trojan and allows remote code execution and data exfiltration. Windows machines are targetted by this malicious package.
Source: kam193 (9667d1a2319af413eca4126f0d483a18c0b5e8118e0e28cdf69c653ff75b1b57)
Calling a method starts downloading and starting an infostealer script
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-08-secmeasure
Reasons (based on the campaign):
-
action-hidden-in-lib-usage
-
Downloads and executes a remote malicious script.
-
infostealer
Credits
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "sisaws"
},
"versions": [
"2.1.6"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)"
},
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
}
],
"database_specific": {
"iocs": {
"ips": [
"200.58.107.25"
],
"urls": [
"https://pastebin.com/raw/jaH2uRE1"
]
},
"malicious-packages-origins": [
{
"import_time": "2025-09-18T23:09:25.719676Z",
"modified_time": "2025-09-18T23:08:55Z",
"sha256": "0cc916986327ca493d55160fe841e48b756a40e030f59880874386e9e1e8a148",
"source": "google-open-source-security",
"versions": [
"2.1.6"
]
},
{
"id": "pypi/2025-08-secmeasure/sisaws",
"import_time": "2025-12-02T22:30:55.578499129Z",
"modified_time": "2025-08-04T09:30:47.768068Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "12e6684787857c0bbdd34b6ff3ec4baf3146e98d84b084b1041963f6da787456",
"source": "kam193"
},
{
"id": "pypi/2025-08-secmeasure/sisaws",
"import_time": "2025-12-02T23:07:18.622593492Z",
"modified_time": "2025-08-04T09:30:47.768068Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "9667d1a2319af413eca4126f0d483a18c0b5e8118e0e28cdf69c653ff75b1b57",
"source": "kam193"
},
{
"id": "pypi/2025-08-secmeasure/sisaws",
"import_time": "2025-12-10T21:38:57.819434772Z",
"modified_time": "2025-08-04T09:30:47.768068Z",
"sha256": "2ee386b6ac644c8dbfe1846f311940b2765b033d4eb73c0b6e552d7c83481e85",
"source": "kam193",
"versions": [
"2.1.6"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: google-open-source-security (0cc916986327ca493d55160fe841e48b756a40e030f59880874386e9e1e8a148)\nThis package installs the SilentSync remote access trojan and allows remote\ncode execution and data exfiltration. Windows machines are targetted by this\nmalicious package.\n\n## Source: kam193 (9667d1a2319af413eca4126f0d483a18c0b5e8118e0e28cdf69c653ff75b1b57)\nCalling a method starts downloading and starting an infostealer script\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-08-secmeasure\n\n\nReasons (based on the campaign):\n\n\n - action-hidden-in-lib-usage\n\n\n - Downloads and executes a remote malicious script.\n\n\n - infostealer\n",
"id": "MAL-2025-47453",
"modified": "2025-12-11T09:27:54Z",
"published": "2025-08-04T09:30:47Z",
"references": [
{
"type": "REPORT",
"url": "https://www.zscaler.com/blogs/security-research/malicious-pypi-packages-deliver-silentsync-rat"
},
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/sisaws"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in sisaws (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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