Anthropic-Cybersecurity-Skills/skills/analyzing-threat-actor-ttps-with-mitre-navigator/references/api-reference.md

Analyzing Threat Actor TTPs with MITRE Navigator — API Reference

attackcti Python Library

Method	Description
attack_client()	Initialize STIX/TAXII client for ATT&CK data
client.get_groups()	Retrieve all threat groups from ATT&CK
client.get_techniques()	Retrieve all techniques from ATT&CK
client.get_techniques_used_by_group(group)	Get techniques linked to a specific group
client.get_software()	Retrieve all software/tools from ATT&CK
client.get_software_used_by_group(group)	Get software used by a specific group
client.get_mitigations()	Retrieve all mitigations from ATT&CK
client.get_data_sources()	Retrieve all data sources from ATT&CK

STIX 2.1 Group Object Fields

Field	Description
id	STIX object ID (e.g., intrusion-set--abc123)
name	Group name (e.g., APT29)
aliases	Alternative names for the group
description	Group description and background
external_references	List of references including ATT&CK ID
created	Object creation timestamp
modified	Last modification timestamp

STIX 2.1 Technique Object Fields

Field	Description
name	Technique name (e.g., Spearphishing Attachment)
external_references[].external_id	ATT&CK technique ID (e.g., T1566.001)
x_mitre_platforms	Target platforms (Windows, Linux, macOS)
kill_chain_phases	Associated tactics in the kill chain
x_mitre_detection	Detection guidance for the technique
x_mitre_is_subtechnique	Whether this is a sub-technique

ATT&CK Navigator Layer JSON Schema

Field	Type	Description
name	string	Layer display name
versions.attack	string	ATT&CK version (e.g., "15")
versions.navigator	string	Navigator version (e.g., "5.0")
versions.layer	string	Layer format version (e.g., "4.5")
domain	string	enterprise-attack, mobile-attack, or ics-attack
techniques[].techniqueID	string	ATT&CK technique ID
techniques[].score	integer	Numeric score for coloring (0-100)
techniques[].color	string	Hex color override (e.g., #ff6666)
techniques[].comment	string	Annotation text for the technique
techniques[].enabled	boolean	Whether technique cell is enabled
gradient.colors	array	Color gradient from min to max score
gradient.minValue	integer	Minimum score value
gradient.maxValue	integer	Maximum score value
filters.platforms	array	Platforms to display in the matrix
legendItems[].label	string	Legend entry label
legendItems[].color	string	Legend entry color

CLI Usage

# List all ATT&CK threat groups
python agent.py --list-groups

# Analyze a specific group
python agent.py --group "APT29"

# Generate Navigator layer file
python agent.py --group "APT29" --layer-output apt29_layer.json

# Compare multiple groups
python agent.py --compare "APT29" "APT28" "Lazarus Group"

# Save full report as JSON
python agent.py --group "APT29" --layer-output apt29.json --output report.json

External References

• ATT&CK Navigator GitHub
• attackcti Documentation
• MITRE ATT&CK Groups
• STIX 2.1 Specification