mal-2026-1290
Vulnerability from ossf_malicious_packages
Published
2026-03-09 10:09
Modified
2026-03-09 10:09
Summary
Malicious code in remjsonparse (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (e478d1e016f1d6d6d1cb4a9d23ac45449c22d99aa8e71c88d2f38fae8951f23f)
During import, package starts advanced compromise actions: exfiltrates AWS and git credentials, commands history, security tools in use. After that, the code waits for further commands from C2. The code is also prepared to configure persistence through autostart keys, crontabs or Linux services, as well as to configure new SSH credentials for remote access.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-03-remjsonparse
Reasons (based on the campaign):
-
The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.
-
typosquatting
-
peristence-autorun
-
exfiltration-generic
-
exfiltration-credentials
Credits
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "remjsonparse"
},
"versions": [
"0.1.0",
"0.1.1",
"0.1.2",
"0.1.3",
"0.1.4",
"0.1.6",
"0.1.7"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "ANALYST"
}
],
"database_specific": {
"iocs": {
"domains": [
"dry-star-7e02.skyshed.workers.dev"
],
"urls": [
"https://dry-star-7e02.skyshed.workers.dev"
]
},
"malicious-packages-origins": [
{
"id": "pypi/2026-03-remjsonparse/remjsonparse",
"import_time": "2026-03-09T10:21:09.432134696Z",
"modified_time": "2026-03-09T10:09:35.245423Z",
"sha256": "e478d1e016f1d6d6d1cb4a9d23ac45449c22d99aa8e71c88d2f38fae8951f23f",
"source": "kam193",
"versions": [
"0.1.0",
"0.1.1",
"0.1.2",
"0.1.3",
"0.1.4",
"0.1.6",
"0.1.7"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (e478d1e016f1d6d6d1cb4a9d23ac45449c22d99aa8e71c88d2f38fae8951f23f)\nDuring import, package starts advanced compromise actions: exfiltrates AWS and git credentials, commands history, security tools in use. After that, the code waits for further commands from C2. The code is also prepared to configure persistence through autostart keys, crontabs or Linux services, as well as to configure new SSH credentials for remote access.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-remjsonparse\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim\u0027s machine.\n\n\n - typosquatting\n\n\n - peristence-autorun\n\n\n - exfiltration-generic\n\n\n - exfiltration-credentials\n",
"id": "MAL-2026-1290",
"modified": "2026-03-09T10:09:35Z",
"published": "2026-03-09T10:09:35Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/remjsonparse"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in remjsonparse (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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