-= Per source details. Do not edit below this line.=-
Malicious copy of a standard library module that during class initialization downloads and executes remote code and after that attempts to cover its tracks by overwriting itself with non-malicious code. The remote code aims to collect and exfiltrate sensitive Telegram session files.
This campaign shares infrastructure and basic methods with previous 2025-11-uzip campaign.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-12-smtblib
Reasons (based on the campaign):
Downloads and executes a remote malicious script.
infostealer
target:telegram
exfiltration-credentials
action-hidden-in-lib-usage
covering-tracks
clones-real-package
typosquatting
{
"iocs": {
"ips": [
"87.120.107.132"
],
"urls": [
"http://87.120.107.132:3301/reactor",
"http://87.120.107.132:1488/drill",
"http://87.120.107.132:1488/drip"
]
},
"malicious-packages-origins": [
{
"import_time": "2025-12-15T16:09:58.124370721Z",
"versions": [
"0.1.8"
],
"source": "kam193",
"id": "pypi/2025-12-smtblib/smtblib",
"modified_time": "2025-12-15T15:24:47.925085Z",
"sha256": "15a295f1d98fcbbdd6a077bc3a849966ca3f73919c0d47e58948ff382481e5b6"
},
{
"import_time": "2025-12-15T20:08:14.979212651Z",
"versions": [
"0.1.8",
"0.1.9"
],
"source": "kam193",
"id": "pypi/2025-12-smtblib/smtblib",
"modified_time": "2025-12-15T19:54:36.926709Z",
"sha256": "8f293710c6c269b679abd0ea8af0d9fd6f5ed2604f0e610a89baa9a0c769e980"
},
{
"import_time": "2025-12-29T11:07:13.545369573Z",
"versions": [
"0.1.8",
"0.1.9"
],
"source": "kam193",
"id": "pypi/2025-12-smtblib/smtblib",
"modified_time": "2025-12-15T19:54:36.926709Z",
"sha256": "16144127ff973bbc911f4fd6fce8480d291aaeb526dec941bd80e03d93994ee4"
},
{
"import_time": "2026-02-26T09:49:02.335373295Z",
"versions": [
"0.1.8",
"0.1.9"
],
"source": "kam193",
"id": "pypi/2025-12-smtblib/smtblib",
"modified_time": "2025-12-15T19:54:36.926709Z",
"sha256": "cc2e09b4df5147ee9fc025ec9367227d949a09bdc1237f0b217129c419af15dd"
}
]
}