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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
94 lines
2.3 KiB
Markdown
94 lines
2.3 KiB
Markdown
# API Reference: Analyzing Threat Intelligence Feeds
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## taxii2-client
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### Server Discovery
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```python
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from taxii2client.v21 import Server
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server = Server("https://cti.example.com/taxii2/", user="u", password="p")
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for api_root in server.api_roots:
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for col in api_root.collections:
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print(col.id, col.title)
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```
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### Fetch Indicators from Collection
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```python
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from taxii2client.v21 import Collection, as_pages
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collection = Collection(
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"https://cti.example.com/taxii2/collections/abc123/",
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user="u", password="p"
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)
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for bundle in as_pages(collection.get_objects, per_request=100):
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for obj in bundle.get("objects", []):
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if obj["type"] == "indicator":
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print(obj["pattern"])
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```
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### Push Indicators
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```python
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collection.add_objects(stix_bundle_json)
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```
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## stix2 (Python Library)
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### Create Indicator
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```python
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from stix2 import Indicator
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indicator = Indicator(
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name="Malicious IP",
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pattern="[ipv4-addr:value = '1.2.3.4']",
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pattern_type="stix",
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valid_from="2025-01-01T00:00:00Z",
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confidence=85,
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)
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```
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### Create Bundle and Serialize
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```python
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from stix2 import Bundle
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bundle = Bundle(objects=[indicator])
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print(bundle.serialize(pretty=True))
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```
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### MemoryStore for Querying
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```python
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from stix2 import MemoryStore, Filter
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store = MemoryStore(stix_data=bundle)
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results = store.query([Filter("type", "=", "indicator")])
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```
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## STIX 2.1 Pattern Syntax
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| IOC Type | Pattern |
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|----------|---------|
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| IPv4 | `[ipv4-addr:value = '1.2.3.4']` |
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| Domain | `[domain-name:value = 'evil.com']` |
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| SHA-256 | `[file:hashes.'SHA-256' = 'abc...']` |
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| URL | `[url:value = 'http://evil.com/payload']` |
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| Email | `[email-addr:value = 'phish@evil.com']` |
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## TAXII 2.1 HTTP Endpoints
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| Endpoint | Method | Description |
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|----------|--------|-------------|
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| `/taxii2/` | GET | Server discovery |
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| `/{api-root}/collections/` | GET | List collections |
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| `/{api-root}/collections/{id}/objects/` | GET | Get STIX objects |
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| `/{api-root}/collections/{id}/objects/` | POST | Add STIX objects |
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### References
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- taxii2-client: https://pypi.org/project/taxii2-client/
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- stix2 library: https://pypi.org/project/stix2/
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- STIX 2.1 spec: https://docs.oasis-open.org/cti/stix/v2.1/stix-v2.1.html
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- TAXII 2.1 spec: https://docs.oasis-open.org/cti/taxii/v2.1/taxii-v2.1.html
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