mirror of https://github.com/MISP/misp-modules
212 lines
6.9 KiB
Markdown
212 lines
6.9 KiB
Markdown
# MISP modules
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[](https://travis-ci.org/MISP/misp-modules)
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MISP modules are autonomous modules that can be used for expansion and other services in [MISP](https://github.com/MISP/MISP).
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The modules are written in Python 3 following a simple API interface. The objective is to ease the extensions of MISP functionalities
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without modifying core components. The API is available via a simple REST API which is independent from MISP installation or configuration.
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MISP modules support is included in MISP starting from version 2.4.28.
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For more information: [Extending MISP with Python modules](https://www.circl.lu/assets/files/misp-training/3.1-MISP-modules.pdf) slides from MISP training.
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## Existing MISP modules
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* [ASN History](misp_modules/modules/expansion/asn_history.py) - a hover and expansion module to expand an AS number with the ASN description and its history.
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* [CIRCL Passive SSL](misp_modules/modules/expansion/circl_passivessl.py) - a hover and expansion module to expand IP addresses with the X.509 certificate seen.
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* [CIRCL Passive DNS](misp_modules/modules/expansion/circl_passivedns.py) - a hover and expansion module to expand hostname and IP addresses with passive DNS information.
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* [CVE](misp_modules/modules/expansion/cve.py) - a hover module to give more information about a vulnerability (CVE).
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* [DNS](misp_modules/modules/expansion/dns.py) - a simple module to resolve MISP attributes like hostname and domain to expand IP addresses attributes.
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* [EUPI](misp_modules/modules/expansion/eupi.py) - a hover and expansion module to get information about an URL from the [Phishing Initiative project](https://phishing-initiative.eu/?lang=en).
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* [IPASN](misp_modules/modules/expansion/ipasn.py) - a hover and expansion to get the BGP ASN of an IP address.
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* [passivetotal](misp_modules/modules/expansion/passivetotal.py) - a [passivetotal](https://www.passivetotal.org/) module that queries a number of different PassiveTotal datasets.
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* [sourcecache](misp_modules/modules/expansion/sourcecache.py) - a module to cache a specific link from a MISP instance.
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* [stiximport](misp_modules/modules/expansion/stiximport.py) - An import module to process STIX xml/json
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## How to install and start MISP modules?
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~~~~bash
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sudo apt-get install python3-dev python3-pip libpq5
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cd /usr/local/src/
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sudo git clone https://github.com/MISP/misp-modules.git
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cd misp-modules
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sudo pip3 install -r REQUIREMENTS
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sudo python3 setup.py build
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sudo python3 setup.py install
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sudo vi /etc/rc.local, add this line: `sudo -u www-data /usr/bin/python3 /usr/local/src/misp-modules/bin/misp-modules`
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~~~~
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## How to add your own MISP modules?
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Create your module in [misp_modules/modules/expansion/](misp_modules/modules/expansion/). The module should have at minimum three functions:
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* **introspection** function that returns a dict of the supported attributes (input and output) by your expansion module.
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* **handler** function which accepts a JSON document to expand the values and return a dictionary of the expanded values.
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* **version** function that returns a dict with the version and the associated meta-data including potential configurations required of the module.
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Don't forget to return an error key and value if an error is raised to propagate it to the MISP user-interface.
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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:
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~~~
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"meta": {
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"description": "PassiveTotal expansion service to expand values with multiple Passive DNS sources",
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"config": [
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"username",
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"password"
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],
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"module-type": [
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"expansion",
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"hover"
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],
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...
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~~~
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### Module type
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A MISP module can be of two types:
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- **expansion** - service related to an attribute that can be used to extend and update an existing event.
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- **hover** - service related to an attribute to provide additional information to the users without updating the event.
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module-type is an array where the list of supported types can be added.
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## Testing your modules?
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MISP uses the **modules** function to discover the available MISP modules and their supported MISP attributes:
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~~~
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% curl -s http://127.0.0.1:6666/modules | jq .
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[
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{
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"name": "passivetotal",
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"type": "expansion",
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"mispattributes": {
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"input": [
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"hostname",
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"domain",
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"ip-src",
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"ip-dst"
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],
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"output": [
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"ip-src",
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"ip-dst",
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"hostname",
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"domain"
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]
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},
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"meta": {
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"description": "PassiveTotal expansion service to expand values with multiple Passive DNS sources",
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"config": [
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"username",
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"password"
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],
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"author": "Alexandre Dulaunoy",
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"version": "0.1"
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}
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},
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{
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"name": "sourcecache",
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"type": "expansion",
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"mispattributes": {
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"input": [
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"link"
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],
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"output": [
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"link"
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]
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},
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"meta": {
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"description": "Module to cache web pages of analysis reports, OSINT sources. The module returns a link of the cached page.",
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"author": "Alexandre Dulaunoy",
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"version": "0.1"
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}
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},
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{
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"name": "dns",
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"type": "expansion",
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"mispattributes": {
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"input": [
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"hostname",
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"domain"
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],
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"output": [
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"ip-src",
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"ip-dst"
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]
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},
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"meta": {
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"description": "Simple DNS expansion service to resolve IP address from MISP attributes",
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"author": "Alexandre Dulaunoy",
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"version": "0.1"
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}
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}
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]
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~~~
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The MISP module service returns the available modules in a JSON array containing each module name along with their supported input attributes.
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Based on this information, a query can be built in a JSON format and saved as body.json:
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~~~json
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{
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"hostname": "www.foo.be",
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"module": "dns"
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}
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~~~
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Then you can POST this JSON format query towards the MISP object server:
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~~~
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curl -s http://127.0.0.1:6666/query -H "Content-Type: application/json" --data @body.json -X POST
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~~~
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The module should output the following JSON:
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~~~json
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{
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"results": [
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{
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"types": [
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"ip-src",
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"ip-dst"
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],
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"values": [
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"188.65.217.78"
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]
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}
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]
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}
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~~~
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It is also possible to restrict the category options of the resolved attributes by passing a list of categories along (optional):
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~~~json
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{
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"results": [
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{
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"types": [
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"ip-src",
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"ip-dst"
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],
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"values": [
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"188.65.217.78"
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],
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"categories": [
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"Network activity",
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"Payload delivery"
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]
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}
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]
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}
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~~~
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For both the type and the category lists, the first item in the list will be the default setting on the interface.
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## How to contribute your own module?
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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.
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