## MISP: Malware Information Sharing Platform\n\n### What is MISP?\n\nMISP is an open-source threat intelligence platform designed to improve sharing of structured threat information.\n\n### Key Concepts\n\n**Events**: Container for related intel\n```\nEvent: "APT28 Phishing Campaign Jan 2024"\n├── Attributes (IOCs)\n│   ├── IP: 185.123.45.67\n│   ├── Domain: evil-c2.com\n│   └── Hash: abc123...\n├── Objects (structured data)\n│   ├── Email object\n│   └── File object\n├── Tags\n│   ├── tlp:amber\n│   └── APT28\n└── Galaxies\n    └── Threat Actor: APT28\n```\n\n### MISP Features\n\n| Feature | Description |\n|---------|-------------|\n| **Attributes** | Individual IOCs with types |\n| **Objects** | Structured templates (file, email) |\n| **Taxonomies** | Standardized tags (TLP, PAP) |\n| **Galaxies** | Knowledge clusters (actors, malware) |\n| **Feeds** | Import external intel feeds |\n| **Sharing Groups** | Control who sees what |\n| **Correlations** | Automatic linking of related data |\n\n### MISP Workflows\n\n**Creating an Event**:\n1. New Event with title, date, threat level\n2. Add attributes (IPs, hashes, domains)\n3. Apply tags (TLP, source, actor)\n4. Link to galaxies (threat actor, malware)\n5. Publish to sharing groups\n\n**Using MISP API**:\n```python\nfrom pymisp import PyMISP\n\nmisp = PyMISP(url, key, ssl=False)\n\n# Search for IOCs\nresult = misp.search(\n    controller="attributes",\n    value="185.123.45.67"\n)\n\n# Create event\nevent = misp.new_event(\n    distribution=0,\n    info="New Phishing Campaign"\n)\nmisp.add_attribute(event, "ip-dst", "185.123.45.67")\n```