mal-2026-2255
Vulnerability from ossf_malicious_packages
Published
2026-03-27 07:47
Modified
2026-03-27 14:27
Summary
Malicious code in thisismytest123 (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (7640ee5ded7bcafbd9863565d68a7768bdc9bd2abca56a69d73576e7e9b2c0df)
During installation, if run under a specific username, the package downloads and installs two executables identified as backdoors trojans.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-03-thisismytest123
Reasons (based on the campaign):
-
Downloads and executes a remote executable.
-
backdoor
-
malware
Source: ossf-package-analysis (7587966a3d79cfe783b06cfea4893cd3d3c445d8c1783c81d4b1ff797e591141)
The OpenSSF Package Analysis project identified 'thisismytest123' @ 1.0.0 (pypi) as malicious.
It is considered malicious because:
- The package executes one or more commands associated with malicious behavior.
Credits
OpenSSF: Package Analysis
github.com/ossf/package-analysis
openssf.slack.com/channels/package_analysis
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "thisismytest123"
},
"versions": [
"1.0.0",
"2.0.0"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
},
{
"contact": [
"https://github.com/ossf/package-analysis",
"https://openssf.slack.com/channels/package_analysis"
],
"name": "OpenSSF: Package Analysis",
"type": "FINDER"
}
],
"database_specific": {
"iocs": {
"urls": [
"http://8.217.174.149:8888/supershell/compile/download/java",
"https://shim.oss-cn-hongkong.aliyuncs.com/shim",
"https://shim.oss-cn-hongkong.aliyuncs.com/shim.conf"
]
},
"malicious-packages-origins": [
{
"import_time": "2026-03-27T09:22:29.114673103Z",
"modified_time": "2026-03-27T07:47:07Z",
"sha256": "7587966a3d79cfe783b06cfea4893cd3d3c445d8c1783c81d4b1ff797e591141",
"source": "ossf-package-analysis",
"versions": [
"1.0.0"
]
},
{
"import_time": "2026-03-27T09:22:29.24318088Z",
"modified_time": "2026-03-27T08:14:18Z",
"sha256": "c1564ec3a6b1a2fee0aacfbeafde84cba8e249a9294b771f43610ff371942a6d",
"source": "ossf-package-analysis",
"versions": [
"2.0.0"
]
},
{
"id": "pypi/2026-03-thisismytest123/thisismytest123",
"import_time": "2026-03-27T14:25:43.463936915Z",
"modified_time": "2026-03-27T13:55:03.756631Z",
"sha256": "7640ee5ded7bcafbd9863565d68a7768bdc9bd2abca56a69d73576e7e9b2c0df",
"source": "kam193",
"versions": [
"1.0.0",
"2.0.0"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (7640ee5ded7bcafbd9863565d68a7768bdc9bd2abca56a69d73576e7e9b2c0df)\nDuring installation, if run under a specific username, the package downloads and installs two executables identified as backdoors trojans.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-thisismytest123\n\n\nReasons (based on the campaign):\n\n\n - Downloads and executes a remote executable.\n\n\n - backdoor\n\n\n - malware\n\n## Source: ossf-package-analysis (7587966a3d79cfe783b06cfea4893cd3d3c445d8c1783c81d4b1ff797e591141)\nThe OpenSSF Package Analysis project identified \u0027thisismytest123\u0027 @ 1.0.0 (pypi) as malicious.\n\nIt is considered malicious because:\n\n- The package executes one or more commands associated with malicious behavior.\n",
"id": "MAL-2026-2255",
"modified": "2026-03-27T14:27:31Z",
"published": "2026-03-27T07:47:07Z",
"references": [
{
"type": "EVIDENCE",
"url": "https://www.virustotal.com/gui/file/d06d2288d3aa76675947137279e6db4d5a31d3ab3a46720d15df4c4d2d52b9d3/detection"
},
{
"type": "EVIDENCE",
"url": "https://www.virustotal.com/gui/file/28d6c2c26ed631981fc9575a452b45b8b741d172769d5d8366a4269536236ab3/detection"
},
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/thisismytest123"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in thisismytest123 (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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