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- Add scripts/agent.py and references/api-reference.md to all remaining skills - Update all 648 LICENSE files: copyright now reads 'Mahipal' - Add implementing-security-monitoring-with-datadog (new skill with full anatomy) - All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md
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API Reference: Adversary Infrastructure Tracking
crt.sh (Certificate Transparency)
GET https://crt.sh/?q=%.example.com&output=json
| Field | Description |
|---|---|
issuer_name |
Certificate issuer |
name_value |
SANs / common names |
serial_number |
Certificate serial |
not_before / not_after |
Validity period |
URLhaus API
POST https://urlhaus-api.abuse.ch/v1/host/
Body: host=example.com
Returns malicious URLs hosted on the domain.
ThreatFox API
POST https://threatfox-api.abuse.ch/api/v1/
Body: {"query": "search_ioc", "search_term": "1.2.3.4"}
| Field | Description |
|---|---|
ioc |
IOC value |
threat_type |
botnet_cc, payload_delivery, etc. |
malware |
Associated malware family |
tags |
IOC tags |
Pivoting Techniques
| Pivot | Method |
|---|---|
| Certificate SANs | crt.sh wildcard search |
| Shared IP | PassiveTotal, VirusTotal |
| WHOIS registrant | WHOIS history |
| DNS history | PassiveDNS (Farsight, CIRCL) |
| JARM fingerprint | TLS server fingerprinting |
| HTTP response hash | Favicon hash, body hash |
Infrastructure Relationships
| Edge Type | Description |
|---|---|
| shared_certificate | Same TLS cert on different hosts |
| shared_ip | Multiple domains on same IP |
| shared_registrant | Same WHOIS registrant |
| shared_nameserver | Same NS records |
MITRE ATT&CK
- T1583 - Acquire Infrastructure
- T1584 - Compromise Infrastructure