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references/api-reference.md
# Threat Intelligence Platform Evaluation API Reference
## MISP REST API
```bash
# Get version
curl "https://misp.example.com/servers/getVersion.json" \
-H "Authorization: YOUR_API_KEY" -H "Accept: application/json"
# Search events
curl -X POST "https://misp.example.com/events/restSearch" \
-H "Authorization: YOUR_API_KEY" -H "Content-Type: application/json" \
-d '{"tags": ["apt28"], "limit": 50}'
# Export STIX 2.1
curl "https://misp.example.com/events/restSearch" \
-H "Authorization: YOUR_API_KEY" -H "Accept: application/json" \
-d '{"returnFormat": "stix2"}'
# Feed management
curl "https://misp.example.com/feeds/index.json" -H "Authorization: YOUR_API_KEY"
```
## OpenCTI GraphQL API
```graphql
# Get platform version
query { about { version } }
# Search indicators
query {
indicators(filters: { key: "pattern_type", values: ["stix"] }) {
edges { node { name pattern valid_from valid_until } }
}
}
# Get campaigns
query {
campaigns(first: 20, orderBy: created_at, orderMode: desc) {
edges { node { name first_seen last_seen objectLabel { value } } }
}
}
```
## ThreatConnect REST API
```bash
# List indicators
curl "https://api.threatconnect.com/v3/indicators" \
-H "Authorization: TC <ACCESS_ID>:<HMAC_SIGNATURE>"
# Create indicator
curl -X POST "https://api.threatconnect.com/v3/indicators" \
-H "Content-Type: application/json" \
-d '{"type":"Host","hostName":"evil.example.com","rating":5,"confidence":80}'
```
## TAXII 2.1 API
```bash
# Discovery
curl https://taxii.example.com/taxii2/ -H "Accept: application/taxii+json;version=2.1"
# Get API roots
curl https://taxii.example.com/api1/ -H "Accept: application/taxii+json;version=2.1"
# List collections
curl https://taxii.example.com/api1/collections/ -H "Accept: application/taxii+json;version=2.1"
# Get objects from collection
curl "https://taxii.example.com/api1/collections/{id}/objects/" \
-H "Accept: application/stix+json;version=2.1"
```
## TIP Evaluation Criteria Weights
| Category | Criterion | Weight |
|----------|-----------|--------|
| Core | STIX 2.1 support | 10 |
| Core | REST API | 9 |
| Core | TAXII server | 8 |
| Core | TLP enforcement | 8 |
| Integration | SIEM integration | 9 |
| Integration | Feed ingestion | 8 |
| Integration | EDR integration | 7 |
| Operations | Sharing (ISAC) | 7 |
| Operations | Analyst workflow | 7 |
| Operations | Reporting | 6 |
## Platform Comparison Matrix
| Feature | MISP | OpenCTI | ThreatConnect |
|---------|------|---------|---------------|
| License | Open Source | Open Source | Commercial |
| STIX 2.1 | Native | Native | Import/Export |
| TAXII 2.1 | Yes | Yes | Yes |
| ATT&CK | Plugin | Native | Module |
| Graph Viz | Basic | Advanced | Advanced |
| SOAR | API | Connectors | Playbooks |
scripts/agent.py
#!/usr/bin/env python3
"""Threat Intelligence Platform evaluation agent for MISP, OpenCTI, and ThreatConnect."""
import json
import sys
import urllib.request
import ssl
from datetime import datetime
class TIPEvaluator:
"""Evaluate and test TIP platform capabilities."""
EVALUATION_CRITERIA = {
"core_functions": {
"stix_support": {"weight": 10, "description": "STIX 2.1 import/export support"},
"taxii_server": {"weight": 8, "description": "TAXII 2.1 server capability"},
"rest_api": {"weight": 9, "description": "RESTful API for automation"},
"deduplication": {"weight": 7, "description": "Indicator deduplication and TTL management"},
"tlp_enforcement": {"weight": 8, "description": "TLP classification enforcement"},
"attack_mapping": {"weight": 6, "description": "MITRE ATT&CK integration"},
"graph_viz": {"weight": 5, "description": "Graph visualization of relationships"},
},
"integrations": {
"siem_integration": {"weight": 9, "description": "SIEM bi-directional integration"},
"edr_integration": {"weight": 7, "description": "EDR IOC push capability"},
"soar_integration": {"weight": 7, "description": "SOAR playbook integration"},
"firewall_integration": {"weight": 6, "description": "Firewall blocklist export"},
"feed_ingestion": {"weight": 8, "description": "Multiple feed source support"},
},
"operations": {
"analyst_workflow": {"weight": 7, "description": "Investigation workflow tools"},
"reporting": {"weight": 6, "description": "Report generation and export"},
"sharing": {"weight": 7, "description": "Community/ISAC sharing support"},
"rbac": {"weight": 5, "description": "Role-based access control"},
"audit_logging": {"weight": 4, "description": "Audit trail for compliance"},
},
}
def score_platform(self, platform_name, scores):
"""Calculate weighted score for a TIP platform.
scores: dict of criterion_name -> score (0-10)
"""
total_weight = 0
weighted_score = 0
details = []
for category, criteria in self.EVALUATION_CRITERIA.items():
for criterion, info in criteria.items():
score = scores.get(criterion, 0)
weight = info["weight"]
total_weight += weight
weighted_score += score * weight
details.append({
"category": category,
"criterion": criterion,
"description": info["description"],
"score": score,
"weight": weight,
"weighted": score * weight,
})
final_score = round(weighted_score / total_weight, 1) if total_weight > 0 else 0
return {
"platform": platform_name,
"overall_score": final_score,
"max_possible": 10,
"total_weight": total_weight,
"details": sorted(details, key=lambda x: x["weighted"], reverse=True),
"evaluation_date": datetime.utcnow().isoformat() + "Z",
}
def compare_platforms(self, evaluations):
"""Compare multiple TIP platform evaluations side by side."""
comparison = []
for eval_result in evaluations:
comparison.append({
"platform": eval_result["platform"],
"overall_score": eval_result["overall_score"],
})
comparison.sort(key=lambda x: x["overall_score"], reverse=True)
return {"ranking": comparison, "count": len(comparison)}
def test_misp_api(misp_url, api_key, verify_ssl=False):
"""Test MISP API connectivity and basic operations."""
ctx = ssl.create_default_context()
if not verify_ssl:
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
results = {}
endpoints = {
"version": "/servers/getVersion.json",
"statistics": "/attributes/attributeStatistics/type/percentage.json",
"feeds": "/feeds/index.json",
}
for name, path in endpoints.items():
url = f"{misp_url.rstrip('/')}{path}"
req = urllib.request.Request(url, headers={
"Authorization": api_key,
"Accept": "application/json",
})
try:
with urllib.request.urlopen(req, context=ctx, timeout=15) as resp:
results[name] = {
"status": resp.status,
"data": json.loads(resp.read().decode()),
}
except Exception as e:
results[name] = {"status": "error", "message": str(e)}
return {"platform": "MISP", "url": misp_url, "tests": results}
def test_opencti_api(opencti_url, api_token, verify_ssl=False):
"""Test OpenCTI GraphQL API connectivity."""
ctx = ssl.create_default_context()
if not verify_ssl:
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
query = '{"query": "{ about { version } }"}'
url = f"{opencti_url.rstrip('/')}/graphql"
req = urllib.request.Request(
url,
data=query.encode(),
headers={
"Authorization": f"Bearer {api_token}",
"Content-Type": "application/json",
},
method="POST",
)
try:
with urllib.request.urlopen(req, context=ctx, timeout=15) as resp:
return {
"platform": "OpenCTI",
"url": opencti_url,
"status": resp.status,
"data": json.loads(resp.read().decode()),
}
except Exception as e:
return {"platform": "OpenCTI", "url": opencti_url, "status": "error", "message": str(e)}
def generate_evaluation_template():
"""Generate an evaluation scoring template for a TIP assessment."""
evaluator = TIPEvaluator()
template = {"instructions": "Score each criterion 0-10", "criteria": {}}
for category, criteria in evaluator.EVALUATION_CRITERIA.items():
template["criteria"][category] = {}
for name, info in criteria.items():
template["criteria"][category][name] = {
"description": info["description"],
"weight": info["weight"],
"score": 0,
}
return template
def generate_comparison_report():
"""Generate a sample comparison report for common TIP platforms."""
evaluator = TIPEvaluator()
misp_scores = {
"stix_support": 9, "taxii_server": 7, "rest_api": 9, "deduplication": 7,
"tlp_enforcement": 9, "attack_mapping": 6, "graph_viz": 5,
"siem_integration": 7, "edr_integration": 5, "soar_integration": 6,
"firewall_integration": 7, "feed_ingestion": 9,
"analyst_workflow": 5, "reporting": 5, "sharing": 10,
"rbac": 6, "audit_logging": 5,
}
opencti_scores = {
"stix_support": 10, "taxii_server": 9, "rest_api": 9, "deduplication": 8,
"tlp_enforcement": 9, "attack_mapping": 10, "graph_viz": 10,
"siem_integration": 7, "edr_integration": 6, "soar_integration": 7,
"firewall_integration": 6, "feed_ingestion": 8,
"analyst_workflow": 8, "reporting": 7, "sharing": 8,
"rbac": 8, "audit_logging": 7,
}
threatconnect_scores = {
"stix_support": 8, "taxii_server": 8, "rest_api": 9, "deduplication": 9,
"tlp_enforcement": 8, "attack_mapping": 8, "graph_viz": 8,
"siem_integration": 9, "edr_integration": 8, "soar_integration": 9,
"firewall_integration": 8, "feed_ingestion": 9,
"analyst_workflow": 9, "reporting": 9, "sharing": 7,
"rbac": 9, "audit_logging": 9,
}
results = [
evaluator.score_platform("MISP (Open Source)", misp_scores),
evaluator.score_platform("OpenCTI (Open Source)", opencti_scores),
evaluator.score_platform("ThreatConnect (Commercial)", threatconnect_scores),
]
comparison = evaluator.compare_platforms(results)
return {
"timestamp": datetime.utcnow().isoformat() + "Z",
"comparison": comparison,
"detailed_evaluations": results,
}
if __name__ == "__main__":
import os
action = sys.argv[1] if len(sys.argv) > 1 else "compare"
if action == "compare":
print(json.dumps(generate_comparison_report(), indent=2, default=str))
elif action == "template":
print(json.dumps(generate_evaluation_template(), indent=2))
elif action == "test-misp":
url = os.environ.get("MISP_URL", sys.argv[2] if len(sys.argv) > 2 else "")
key = os.environ.get("MISP_KEY", sys.argv[3] if len(sys.argv) > 3 else "")
if url and key:
print(json.dumps(test_misp_api(url, key), indent=2, default=str))
else:
print("Set MISP_URL and MISP_KEY env vars or pass as arguments")
elif action == "test-opencti":
url = os.environ.get("OPENCTI_URL", sys.argv[2] if len(sys.argv) > 2 else "")
token = os.environ.get("OPENCTI_TOKEN", sys.argv[3] if len(sys.argv) > 3 else "")
if url and token:
print(json.dumps(test_opencti_api(url, token), indent=2, default=str))
else:
print("Set OPENCTI_URL and OPENCTI_TOKEN env vars or pass as arguments")
else:
print("Usage: agent.py [compare|template|test-misp [url key]|test-opencti [url token]]")
SKILL.md
---
name: evaluating-threat-intelligence-platforms
description: 'Evaluates and selects Threat Intelligence Platform (TIP) products based
on organizational requirements including feed integration capability, STIX/TAXII
support, workflow automation, analyst interface, and total cost of ownership. Use
when conducting a TIP procurement, migrating between TIP solutions, or assessing
whether the current TIP meets program maturity requirements. Activates for requests
involving ThreatConnect, MISP, OpenCTI, Anomali, EclecticIQ, or TIP procurement
decisions.
'
domain: cybersecurity
subdomain: threat-intelligence
tags:
- TIP
- ThreatConnect
- MISP
- OpenCTI
- Anomali
- EclecticIQ
- STIX-TAXII
- CTI-program
- procurement
version: 1.0.0
author: team-cybersecurity
license: Apache-2.0
nist_csf:
- ID.RA-01
- ID.RA-05
- DE.CM-01
- DE.AE-02
mitre_attack:
- T1591
- T1592
- T1593
- T1589
---
# Evaluating Threat Intelligence Platforms
## When to Use
Use this skill when:
- Conducting a formal RFP or vendor evaluation for a TIP solution
- Assessing whether the current TIP (e.g., MISP) needs to be replaced or augmented as the CTI program scales
- Establishing evaluation criteria aligned to organizational maturity and budget
**Do not use** this skill for evaluating feed quality independently of the TIP — feed evaluation is a separate workflow focused on data quality rather than platform capabilities.
## Prerequisites
- Documented CTI program requirements: team size, feed sources, integration targets, use cases
- Budget range and procurement timeline
- Technical staff who will administer the platform (Python/API experience for open-source TIPs)
- List of current and planned integrations (SIEM, SOAR, EDR, firewalls)
## Workflow
### Step 1: Define Evaluation Criteria
Structure requirements into mandatory (M) and desired (D) categories:
**Core TIP Functions**:
- M: STIX 2.1 import/export with TAXII 2.1 server
- M: REST API for automated IOC ingestion and export
- M: Indicator deduplication and TTL management
- M: TLP classification enforcement
- D: Built-in MITRE ATT&CK integration and technique tagging
- D: Graph visualization of indicator relationships
- D: Workflow automation for analyst triage
**Integrations**:
- M: SIEM integration (Splunk, Sentinel, QRadar) via syslog, API, or native connector
- M: EDR integration for IOC push (CrowdStrike, Defender, SentinelOne)
- D: SOAR integration (XSOAR, Splunk SOAR) for playbook triggers
- D: Ticketing system (ServiceNow, Jira) for intelligence task tracking
**Operational**:
- M: Role-based access control with TLP-aware data segregation
- M: Audit logging for all analyst actions
- D: Multi-tenancy for MSSP use cases
### Step 2: Evaluate Major TIP Options
**MISP (Open Source)**:
- Cost: Free (self-hosted infrastructure cost only)
- Strengths: Largest community, 250+ modules, extensive ISAC usage, STIX 2.0 native
- Weaknesses: Requires dedicated admin, limited visualization, UI dated
- Best for: Budget-constrained teams with technical staff; government/ISAC sharing programs
**OpenCTI (Open Source)**:
- Cost: Free (self-hosted); paid SaaS at ~$3,000–$15,000/year
- Strengths: Native STIX 2.1, graph visualization, ATT&CK integration, modern API
- Weaknesses: Resource-intensive deployment (Elasticsearch, MinIO required)
- Best for: Teams wanting open source with modern UX; SOC/CTI integration focus
**ThreatConnect (Commercial)**:
- Cost: $50,000–$500,000/year depending on scale
- Strengths: End-to-end CTI lifecycle, playbook automation, TC Exchange marketplace, analyst workflow
- Weaknesses: High cost; complex implementation; best value at larger scale
- Best for: Mature enterprise CTI programs; MSSPs; red team/blue team integration
**Anomali ThreatStream (Commercial)**:
- Cost: $30,000–$200,000/year
- Strengths: Strong feed aggregation, Splunk-native integration, extensive pre-built connectors
- Weaknesses: Graph visualization weaker than OpenCTI; UI refresh lagging
- Best for: Splunk-heavy environments; teams prioritizing feed volume over analysis workflows
**EclecticIQ Platform (Commercial)**:
- Cost: $40,000–$300,000/year
- Strengths: STIX 2.1 native, collaborative intelligence workbench, strong European customer base
- Weaknesses: Smaller partner ecosystem than ThreatConnect
- Best for: Teams with MITRE ATT&CK-centric workflows; EMEA-focused organizations
### Step 3: Conduct Proof of Concept
Request 30-day PoC from finalists. Test:
1. Feed onboarding: Can your top 5 feeds be ingested within 4 hours?
2. SIEM integration: Can enriched IOCs push to your SIEM in <5 minutes?
3. ATT&CK mapping: Can analysts tag indicators with ATT&CK techniques efficiently?
4. Report generation: Can the platform produce a tactical IOC bulletin with one click?
5. API performance: Can the REST API handle 10,000 indicator queries per day?
### Step 4: Score and Select
Use weighted scoring matrix (weight each criterion by organizational priority):
```
Criterion Weight Vendor A Vendor B
STIX 2.1 compliance 20% 95 85
SIEM integration 25% 90 70
ATT&CK mapping 15% 85 95
Cost (inverse) 20% 60 90
UI/analyst experience 10% 80 75
Vendor support quality 10% 85 80
TOTAL 100% 82.0 81.5
```
### Step 5: Implementation and Onboarding Planning
Plan 90-day implementation:
- Week 1–2: Infrastructure deployment (cloud or on-prem)
- Week 3–4: Feed onboarding and deduplication tuning
- Week 5–6: SIEM/SOAR integration and testing
- Week 7–8: Analyst workflow configuration and training
- Week 9–12: Operational validation and go-live
## Key Concepts
| Term | Definition |
|------|-----------|
| **TIP** | Threat Intelligence Platform — software for collecting, processing, analyzing, and disseminating cyber threat intelligence |
| **TAXII Server** | Component of a TIP that serves STIX bundles to consuming systems on request |
| **TC Exchange** | ThreatConnect's commercial marketplace for pre-built feed integrations and app connectors |
| **Multi-tenancy** | TIP capability to serve multiple organizational units or customers with isolated data environments |
| **Deduplication** | Process of identifying and merging duplicate indicators within a TIP to reduce analyst noise |
## Tools & Systems
- **MISP**: Open-source TIP used by 6,000+ organizations; strongest ISAC/government community integration
- **OpenCTI**: Modern open-source TIP with native STIX 2.1 and graph-based analysis
- **ThreatConnect**: Enterprise commercial TIP with lifecycle management and SOAR playbook integration
- **Anomali ThreatStream**: Commercial TIP with strong Splunk ecosystem integration
- **EclecticIQ**: Commercial TIP with ATT&CK-centric workflow design
## Common Pitfalls
- **Selecting TIP before defining requirements**: Technology selection before use case definition leads to expensive mismatches.
- **Underestimating administration burden**: MISP and OpenCTI require dedicated admin time (minimum 0.25 FTE); budget accordingly.
- **Ignoring data migration costs**: Moving historical intelligence from one TIP to another is costly and often impractical for legacy systems.
- **Not testing SIEM integration in PoC**: TIP value depends heavily on downstream integration quality; always test SIEM/SOAR connectivity during evaluation.