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SKILL.md
Collecting Threat Intelligence with MISP
Overview
MISP (Malware Information Sharing Platform) is an open-source threat intelligence platform for gathering, sharing, storing, and correlating Indicators of Compromise (IOCs) of targeted attacks, threat intelligence, financial fraud information, vulnerability information, or counter-terrorism information. This skill covers deploying MISP, configuring threat feeds, using the PyMISP API for programmatic access, and building automated collection pipelines that aggregate IOCs from multiple community and commercial sources.
When to Use
When managing security operations that require collecting threat intelligence with misp
When improving security program maturity and operational processes
When establishing standardized procedures for security team workflows
When integrating threat intelligence or vulnerability data into operations
Prerequisites
Python 3.9+ with pymisp library installed
Docker and Docker Compose for MISP deployment
Understanding of STIX 2.1 and TAXII 2.1 protocols
Familiarity with IOC types: hashes, IP addresses, domains, URLs, email addresses
Network access to MISP community feeds (circl.lu, botvrij.eu)
Key Concepts
MISP Architecture
MISP operates on an event-based model where threat intelligence is organized into events containing attributes (IOCs), objects (structured groupings of attributes), galaxies (threat actor/malware clusters linked to MITRE ATT&CK), and tags for classification. Synchronization between MISP instances uses a pull/push model over HTTPS with API key authentication.
Feed Types
MISP Feeds: Native JSON/CSV feeds from MISP community (CIRCL OSINT, botvrij.eu)
Freetext Feeds: Unstructured text feeds parsed for IOCs (abuse.ch, Feodo Tracker)
TAXII Feeds: STIX/TAXII 2.1 compatible feeds from commercial and government sources
: Structured CSV feeds with configurable column mapping
CSV Feeds
PyMISP API
PyMISP is the official Python library to access MISP platforms via their REST API. It supports fetching events, adding/updating events and attributes, uploading samples, and searching across the entire MISP dataset. Authentication uses an API key passed in the Authorization header.
Workflow
Step 1: Deploy MISP with Docker
git clone https://github.com/MISP/misp-docker.git
cd misp-docker
cp template.env .env
# Edit .env to set MISP_BASEURL, MISP_ADMIN_EMAIL, MISP_ADMIN_PASSPHRASE
docker compose up -d
Step 2: Configure Default Feeds
Enable built-in MISP feeds via the web UI or API:
from pymisp import PyMISP
misp = PyMISP('https://misp.local', 'YOUR_API_KEY', ssl=False)
# List available feeds
feeds = misp.feeds()
for feed in feeds:
print(f"{feed['Feed']['id']}: {feed['Feed']['name']} - Enabled: {feed['Feed']['enabled']}")
# Enable CIRCL OSINT Feed
misp.enable_feed(feed_id=1)
misp.cache_feed(feed_id=1)
misp.fetch_feed(feed_id=1)
from pymisp import PyMISP, MISPEvent
from datetime import datetime, timedelta
misp = PyMISP('https://misp.local', 'YOUR_API_KEY', ssl=False)
# Search for events from the last 7 days
result = misp.search(
controller='events',
date_from=(datetime.now() - timedelta(days=7)).strftime('%Y-%m-%d'),
type_attribute='ip-dst',
to_ids=True,
pythonify=True
)
for event in result:
print(f"Event {event.id}: {event.info}")
for attr in event.attributes:
if attr.type == 'ip-dst' and attr.to_ids:
print(f" IOC: {attr.value} (category: {attr.category})")
