MAL-2026-6280
Vulnerability from ossf_malicious_packages
Published
2026-06-23 10:23
Modified
2026-06-23 19:42
Summary
Malicious code in ip-rotat (PyPI)
Details

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

Source: amazon-inspector (e85ab2724beee13bb6c2658c5bf5d50069c83619f062d39935226ff1fee1c0a3)

On pip install or pip download, setup.py registers overridden install and egg_info cmdclass entries that execute ps -elf to capture the host's process listing and iterate the entire os.environ mapping into a URL-encoded body, then POST the combined payload via curl to http://gjampdwmdjmppwedtkpbbdkq05f6iiz6r.oast.fun over plaintext HTTP. Bulk env scraping at install time leaks any CI/CD secrets present in the environment (AWS keys, GitHub/npm/PyPI tokens, etc.) along with a system-wide process listing. The package ships no actual ip-rotation functionality — setup.py contains only the exfiltration payload, the package name ip_rotat is a one-character truncation of common ip-rotator-style libraries, and the README references the this_is_fine_wuzzi install-time-code-execution PoC. The combination of name confusion, zero advertised functionality, and an automatic install-time exfil hook is a supply-chain attack against any installer.

Source: kam193 (3ecb8a355dcbe7df86e0a785d8639e85faab9a5b4bad430ae3701ffa9432a4d2)

During installation, the package exfiltrates env variables


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

Campaign: 2026-06-ip-rotat

Reasons (based on the campaign):

  • exfiltration-env-variables

  • The package overrides the install command in setup.py to execute malicious code during installation.

CWE
  • CWE-506 - The product contains code that appears to be malicious in nature.

{
  "affected": [
    {
      "database_specific": {
        "cwes": [
          {
            "cweId": "CWE-506",
            "description": "The product contains code that appears to be malicious in nature.",
            "name": "Embedded Malicious Code"
          }
        ],
        "indicators": {
          "evidence_files": [
            {
              "path": "setup.py",
              "sha256": "f412ddb8e55631ff8fdb669a2a93b79e9390eb3e402e5a5f632c27366087d599",
              "tlsh": "45316207e1bf29291ec344a0558f03959bc0e3a32f6471fa72fc29191f0b129103b8af"
            }
          ],
          "package_integrity": [
            {
              "filename": "ip_rotat-0.0.1-py3-none-any.whl",
              "hashes": {
                "blake2b_256": "e3fe494297db1eca4e166d99346cb88890eb373248d08338204f96580259a020",
                "md5": "b06870b5cab24c259e195529018f64ee",
                "sha256": "bd9523c4a1ba2db706215f8cff0be50f842d1fc34d536afea3710ec5c637dc99"
              }
            },
            {
              "filename": "ip_rotat-0.0.1.tar.gz",
              "hashes": {
                "blake2b_256": "fa85c74a78d44c718547ee47408a6a8d203f983722fad48518d0372789596482",
                "md5": "4b0593b71ff32057e819e070ba3e7677",
                "sha256": "1ac023fc2f99194fb57b2bbba7a124b5d28b4acd89a71a65f3f7755ba3a0b9df"
              }
            }
          ]
        }
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "ip-rotat"
      },
      "versions": [
        "0.0.1"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "inspector-research@amazon.com"
      ],
      "name": "Amazon Inspector",
      "type": "FINDER"
    },
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "gjampdwmdjmppwedtkpbbdkq05f6iiz6r.oast.fun"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-06-ip-rotat/ip-rotat",
        "import_time": "2026-06-23T10:43:06.710271168Z",
        "modified_time": "2026-06-23T10:23:00.519394Z",
        "sha256": "3ecb8a355dcbe7df86e0a785d8639e85faab9a5b4bad430ae3701ffa9432a4d2",
        "source": "kam193",
        "versions": [
          "0.0.1"
        ]
      },
      {
        "id": "pypi/2026-06-ip-rotat/ip-rotat",
        "import_time": "2026-06-23T13:28:20.422406368Z",
        "modified_time": "2026-06-23T10:23:00.519394Z",
        "sha256": "c94ce837f78d13ec8e012833efb46fab8b496311d90347759f21366b3bfdfbea",
        "source": "kam193",
        "versions": [
          "0.0.1"
        ]
      },
      {
        "id": "IN-MAL-2026-007335",
        "import_time": "2026-06-23T19:40:40.585497582Z",
        "modified_time": "2026-06-23T18:58:13Z",
        "sha256": "e85ab2724beee13bb6c2658c5bf5d50069c83619f062d39935226ff1fee1c0a3",
        "source": "amazon-inspector",
        "versions": [
          "0.0.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (e85ab2724beee13bb6c2658c5bf5d50069c83619f062d39935226ff1fee1c0a3)\nOn `pip install` or `pip download`, setup.py registers overridden `install` and `egg_info` cmdclass entries that execute `ps -elf` to capture the host\u0027s process listing and iterate the entire `os.environ` mapping into a URL-encoded body, then POST the combined payload via curl to `http://gjampdwmdjmppwedtkpbbdkq05f6iiz6r.oast.fun` over plaintext HTTP. Bulk env scraping at install time leaks any CI/CD secrets present in the environment (AWS keys, GitHub/npm/PyPI tokens, etc.) along with a system-wide process listing. The package ships no actual ip-rotation functionality \u2014 setup.py contains only the exfiltration payload, the package name `ip_rotat` is a one-character truncation of common `ip-rotator`-style libraries, and the README references the `this_is_fine_wuzzi` install-time-code-execution PoC. The combination of name confusion, zero advertised functionality, and an automatic install-time exfil hook is a supply-chain attack against any installer.\n\n## Source: kam193 (3ecb8a355dcbe7df86e0a785d8639e85faab9a5b4bad430ae3701ffa9432a4d2)\nDuring installation, the package exfiltrates env variables\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-06-ip-rotat\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-env-variables\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n",
  "id": "MAL-2026-6280",
  "modified": "2026-06-23T19:42:43Z",
  "published": "2026-06-23T10:23:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/ip-rotat"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/ip-rotat/0.0.1/"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in ip-rotat (PyPI)"
}


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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.

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Nomenclature

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