mal-2026-3031
Vulnerability from ossf_malicious_packages
Published
2026-04-24 18:55
Modified
2026-04-24 18:55
Summary
Malicious code in swampo (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (7b8e193e75e6ca7d387f21b53c251e6ee8791d9ec4ca3f37099e765415d36157)
Multi-stage dropper. The "analytics" functionality fetches fake updates information that should contain the next URL. From it, a yet another URL is downloaded, and then used to perform TXT DNS queries holding the encoded next URL. From this URL, a remote script is fetched and executed. During analysis, retrieving the final payload was not successful.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-04-swampo
Reasons (based on the campaign):
-
Downloads and executes a remote malicious script.
-
action-hidden-in-lib-usage
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "swampo"
},
"versions": [
"1.2.9",
"1.3.4",
"1.3.5",
"1.3.6",
"1.3.7",
"1.3.8",
"1.3.9",
"1.4.0",
"1.4.1",
"1.4.2",
"1.5.0",
"1.5.1",
"1.5.2",
"1.5.3",
"1.5.4",
"1.5.6",
"1.5.7",
"1.5.8",
"1.7.0",
"1.7.1"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
}
],
"database_specific": {
"iocs": {
"domains": [
"swampo-update.vercel.app",
"swampo-c2.vercel.app",
"swampo-stage2.de-zahlung.info"
],
"urls": [
"https://swampo-update.vercel.app/v1/check",
"https://swampo-c2.vercel.app/manifest",
"https://api.counterapi.dev/v2/swampon/swampo/up"
]
},
"malicious-packages-origins": [
{
"id": "pypi/2026-04-swampo/swampo",
"import_time": "2026-04-24T19:48:59.318564968Z",
"modified_time": "2026-04-24T18:55:32.851161Z",
"sha256": "7b8e193e75e6ca7d387f21b53c251e6ee8791d9ec4ca3f37099e765415d36157",
"source": "kam193",
"versions": [
"1.2.9",
"1.3.4",
"1.3.5",
"1.3.6",
"1.3.7",
"1.3.8",
"1.3.9",
"1.4.0",
"1.4.1",
"1.4.2",
"1.5.0",
"1.5.1",
"1.5.2",
"1.5.3",
"1.5.4",
"1.5.6",
"1.5.7",
"1.5.8",
"1.7.0",
"1.7.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (7b8e193e75e6ca7d387f21b53c251e6ee8791d9ec4ca3f37099e765415d36157)\nMulti-stage dropper. The \"analytics\" functionality fetches fake updates information that should contain the next URL. From it, a yet another URL is downloaded, and then used to perform TXT DNS queries holding the encoded next URL. From this URL, a remote script is fetched and executed. During analysis, retrieving the final payload was not successful.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-04-swampo\n\n\nReasons (based on the campaign):\n\n\n - Downloads and executes a remote malicious script.\n\n\n - action-hidden-in-lib-usage\n",
"id": "MAL-2026-3031",
"modified": "2026-04-24T18:55:32Z",
"published": "2026-04-24T18:55:32Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/swampo"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in swampo (PyPI)"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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