mal-2025-47453
Vulnerability from ossf_malicious_packages
Published
2025-08-04 09:30
Modified
2025-12-11 09:27
Summary
Malicious code in sisaws (PyPI)
Details

-= Per source details. Do not edit below this line.=-

Source: google-open-source-security (0cc916986327ca493d55160fe841e48b756a40e030f59880874386e9e1e8a148)

This package installs the SilentSync remote access trojan and allows remote code execution and data exfiltration. Windows machines are targetted by this malicious package.

Source: kam193 (9667d1a2319af413eca4126f0d483a18c0b5e8118e0e28cdf69c653ff75b1b57)

Calling a method starts downloading and starting an infostealer script


Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-08-secmeasure

Reasons (based on the campaign):

  • action-hidden-in-lib-usage

  • Downloads and executes a remote malicious script.

  • infostealer


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sisaws"
      },
      "versions": [
        "2.1.6"
      ]
    }
  ],
  "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"
    }
  ],
  "database_specific": {
    "iocs": {
      "ips": [
        "200.58.107.25"
      ],
      "urls": [
        "https://pastebin.com/raw/jaH2uRE1"
      ]
    },
    "malicious-packages-origins": [
      {
        "import_time": "2025-09-18T23:09:25.719676Z",
        "modified_time": "2025-09-18T23:08:55Z",
        "sha256": "0cc916986327ca493d55160fe841e48b756a40e030f59880874386e9e1e8a148",
        "source": "google-open-source-security",
        "versions": [
          "2.1.6"
        ]
      },
      {
        "id": "pypi/2025-08-secmeasure/sisaws",
        "import_time": "2025-12-02T22:30:55.578499129Z",
        "modified_time": "2025-08-04T09:30:47.768068Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "12e6684787857c0bbdd34b6ff3ec4baf3146e98d84b084b1041963f6da787456",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-08-secmeasure/sisaws",
        "import_time": "2025-12-02T23:07:18.622593492Z",
        "modified_time": "2025-08-04T09:30:47.768068Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "9667d1a2319af413eca4126f0d483a18c0b5e8118e0e28cdf69c653ff75b1b57",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-08-secmeasure/sisaws",
        "import_time": "2025-12-10T21:38:57.819434772Z",
        "modified_time": "2025-08-04T09:30:47.768068Z",
        "sha256": "2ee386b6ac644c8dbfe1846f311940b2765b033d4eb73c0b6e552d7c83481e85",
        "source": "kam193",
        "versions": [
          "2.1.6"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: google-open-source-security (0cc916986327ca493d55160fe841e48b756a40e030f59880874386e9e1e8a148)\nThis package installs the SilentSync remote access trojan and allows remote\ncode execution and data exfiltration. Windows machines are targetted by this\nmalicious package.\n\n## Source: kam193 (9667d1a2319af413eca4126f0d483a18c0b5e8118e0e28cdf69c653ff75b1b57)\nCalling a method starts downloading and starting an infostealer script\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-08-secmeasure\n\n\nReasons (based on the campaign):\n\n\n - action-hidden-in-lib-usage\n\n\n - Downloads and executes a remote malicious script.\n\n\n - infostealer\n",
  "id": "MAL-2025-47453",
  "modified": "2025-12-11T09:27:54Z",
  "published": "2025-08-04T09:30:47Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://www.zscaler.com/blogs/security-research/malicious-pypi-packages-deliver-silentsync-rat"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/sisaws"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in sisaws (PyPI)"
}


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