mal-2025-1978
Vulnerability from ossf_malicious_packages
Published
2025-01-10 12:38
Modified
2025-12-11 09:27
Summary
Malicious code in javascan (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (3b87a6ab9caea125ba4a71189d6a1740668e44d637f7e7c2d4f85daaf4f54ed0)
During installation, a code is downloaded and executed. This remote script then attempts to exfiltrate environmental variables, SSH keys, Slack secrets etc.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-01-javascan
Reasons (based on the campaign):
-
Downloads and executes a remote malicious script.
-
files-exfiltration
-
exfiltration-ssh-keys
-
dependency-confusion
-
exfiltration-env-variables
Credits
ReversingLabs
www.reversinglabs.com
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "javascan",
"purl": "pkg:pypi/javascan"
},
"versions": [
"0.1",
"0.2",
"0.3",
"0.4",
"0.5"
]
}
],
"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"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"iocs": {
"domains": [
"slack-dw-javabackend-109783.s3.us-west-1.amazonaws.com"
],
"urls": [
"https://slack-dw-javabackend-109783.s3.us-west-1.amazonaws.com/packages/package.json"
]
},
"malicious-packages-origins": [
{
"id": "RLMA-2025-01219",
"import_time": "2025-03-03T15:07:15.506525565Z",
"modified_time": "2025-03-03T13:44:58Z",
"sha256": "ce235cd44461ffdbfbe8f0a33f794d8aceb72d07b4ea57521d9d47e1d495a4d6",
"source": "reversing-labs",
"versions": [
"0.1",
"0.2",
"0.3",
"0.4",
"0.5"
]
},
{
"id": "pypi/2025-01-javascan/javascan",
"import_time": "2025-12-02T22:30:55.2801275Z",
"modified_time": "2025-01-10T12:38:39Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "eee8c24ca7eb40c45b616928fa7dab92f19f8d659771c57c01dcc0597aed4a4c",
"source": "kam193"
},
{
"id": "pypi/2025-01-javascan/javascan",
"import_time": "2025-12-02T23:07:18.304119265Z",
"modified_time": "2025-01-10T12:38:39Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "3b87a6ab9caea125ba4a71189d6a1740668e44d637f7e7c2d4f85daaf4f54ed0",
"source": "kam193"
},
{
"id": "pypi/2025-01-javascan/javascan",
"import_time": "2025-12-10T21:38:57.550061781Z",
"modified_time": "2025-01-10T12:38:39Z",
"sha256": "c2d6cf858c6bfba05e5656f3dc63dce8dc19a6253b3341bd78bcb0bee8fb5bfa",
"source": "kam193",
"versions": [
"0.1",
"0.2",
"0.3",
"0.4",
"0.5"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (3b87a6ab9caea125ba4a71189d6a1740668e44d637f7e7c2d4f85daaf4f54ed0)\nDuring installation, a code is downloaded and executed. This remote script then attempts to exfiltrate environmental variables, SSH keys, Slack secrets etc.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-01-javascan\n\n\nReasons (based on the campaign):\n\n\n - Downloads and executes a remote malicious script.\n\n\n - files-exfiltration\n\n\n - exfiltration-ssh-keys\n\n\n - dependency-confusion\n\n\n - exfiltration-env-variables\n",
"id": "MAL-2025-1978",
"modified": "2025-12-11T09:27:53Z",
"published": "2025-01-10T12:38:39Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/javascan"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in javascan (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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