Modules for expansion services, import and export in MISP http://misp.github.io/misp-modules
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README.md

MISP modules

MISP modules are autonomous modules that can be used for expansion and other services in MISP.

The modules are written in Python 3 following a simple API interface. The objective is to ease the extensions of MISP functionalities without modifying core components. The API is available via a simple REST API which is independent from MISP installation or configuration.

MISP modules support is included in MISP starting from version 2.4.X.

Existing MISP modules

  • DNS - a simple module to resolve MISP attributes like hostname and domain to expand IP addresses attributes.
  • passivetotal - a passivetotal module to query the passivetotal passive DNS interface.
  • sourcecache - a module to cache a specific link from a MISP instance.

How to add your own MISP modules?

Create your module in modules/expansion/. The module should have at minimum three functions:

  • introspection function that returns a dict of the supported attributes (input and output) by your expansion module.
  • handler function which accepts a JSON document to expand the values and return a dictionary of the expanded values.
  • version function that returns a dict with the version and the associated meta-data including potential configurations required of the module.

Don't forget to return an error key and value if an error is raised to propagate it to the MISP user-interface.

If your module requires additional configuration (to be exposed via the MISP user-interface), a config array is added to the meta-data output containing all the potential configuration values:

"meta": {
      "description": "PassiveTotal expansion service to expand values with multiple Passive DNS sources",
      "config": [
        "username",
        "password"
      ],
...

Testing your modules?

MISP uses the modules function to discover the available MISP modules and their supported MISP attributes:

% curl -s http://127.0.0.1:6666/modules | jq .
[
  {
    "name": "passivetotal",
    "type": "expansion",
    "mispattributes": {
      "input": [
        "hostname",
        "domain",
        "ip-src",
        "ip-dst"
      ],
      "output": [
        "ip-src",
        "ip-dst",
        "hostname",
        "domain"
      ]
    },
    "meta": {
      "description": "PassiveTotal expansion service to expand values with multiple Passive DNS sources",
      "config": [
        "username",
        "password"
      ],
      "author": "Alexandre Dulaunoy",
      "version": "0.1"
    }
  },
  {
    "name": "sourcecache",
    "type": "expansion",
    "mispattributes": {
      "input": [
        "link"
      ],
      "output": [
        "link"
      ]
    },
    "meta": {
      "description": "Module to cache web pages of analysis reports, OSINT sources. The module returns a link of the cached page.",
      "author": "Alexandre Dulaunoy",
      "version": "0.1"
    }
  },
  {
    "name": "dns",
    "type": "expansion",
    "mispattributes": {
      "input": [
        "hostname",
        "domain"
      ],
      "output": [
        "ip-src",
        "ip-dst"
      ]
    },
    "meta": {
      "description": "Simple DNS expansion service to resolve IP address from MISP attributes",
      "author": "Alexandre Dulaunoy",
      "version": "0.1"
    }
  }
]

The MISP module service returns the available modules in a JSON array containing each module name along with their supported input attributes.

Based on this information, a query can be built in a JSON format and saved as body.json:

{
  "hostname": "www.foo.be",
  "module": "dns"
}

Then you can POST this JSON format query towards the MISP object server:

curl -s http://127.0.0.1:6666/query -H "Content-Type: application/json" --data @body.json -X POST

The module should output the following JSON:

{
  "results": [
    {
      "types": [
        "ip-src",
        "ip-dst"
      ],
      "values": [
        "188.65.217.78"
      ]
    }
  ]
}

How to contribute your own module?

Fork the project, add your module, test it and make a pull-request. Modules can be also private as you can add a module in your own MISP installation.