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ATT&CKTM Navigator Layer File Format Definition

This document describes Version 2.1 of the MITRE ATT&CK Navigator Layer file format. The ATT&CK Navigator stores layers as JSON, therefore this document defines the JSON properties in a layer file.

Property Table

Name Type Required? Default Value (if not present) Description
version String Yes n/a Must be "2.1"
name String Yes n/a The name of the layer
description String No "" A free-form text field that describes the contents or intent of the layer
domain String Yes n/a Technology domain that this layer represents. Valid values are: "mitre-enterprise" or "mitre-mobile"
filters Filter object No See Filter object definition below
sorting Number No 0 Specifies the ordering of the techniques within each tactic category as follows:
0: sort ascending alphabetically by technique name
1: sort descending alphabetically by technique name
2: sort ascending by technique score
3: sort descending by technique score
viewMode Number No 0 Specifies the view mode for the layer as follows:
0: display the full table with tactic and technique names
1: display compact table with abbreviated tactic and technique names
2: display mini table with no text with the exception of tooltips
hideDisabled Boolean No false Specifies whether techniques that have been disabled are still displayed (greyed-out) or omitted from the view as follows:
true: omit techniques marked as disabled from the view
false: include disabled techniques in the view but display as greyed-out
techniques Array of Technique objects No See definition of Technique object below
gradient Gradient object No Red to Green, minValue=0, maxValue=100 See definition of Gradient object below
legendItems Array of LegendItem objects no See definition of LegendItem object below
showTacticRowBackground boolean no false If true, the tactic row background color will be the value of the tacticRowBackground field
tacticRowBackground string no "#dddddd" The tactic row background color
selectTechniquesAcrossTactics boolean no true If true, selecting a technique also selects all instances with the same technique ID
metadata Array of Metadata objects No User defined metadata for this layer. See definition of Metadata object below

Filter Object Properties

Name Type Required? Default Value (if not present) Description
stages Array of String No ["act"] Specifies the logical stages of the attack lifecycle to display. Valid choices are: "prepare" and "act". Array must contain at least one of these values
platforms Array of String No All platforms defined within domain Specifies the platforms within the technology domain – only those techniques tagged with these platforms are to be displayed. Valid values are as follows:
domain=mitre-enterprise: "windows", "linux", "mac"
domain=mitre-mobile: "android", "ios"

Technique Object properties

Name Type Required? Default Value (if not present) Description
techniqueID String Yes n/a Unique identifier of the ATT&CK technique, e.g. "T####"
tactic String No n/a Unique identifier of the ATT&CK technique's tactic, e.g. "lateral-movement". If the field is not present, the annotations for the technique will appear under every tactic the technique belongs to
comment String No "" Free-text field
enabled Boolean No true Specifies if the technique is considered enabled or disabled in this layer
score Number No (unscored) Optional numeric score assigned to this technique in the layer. If omitted, the technique is considered to be "unscored" meaning that it will not be assigned a color from the gradient by the Navigator
color String No "" Explicit color value assigned to the technique in this layer. Note that explicitly defined color overrides any color implied by the score – the Navigator will display the technique using the explicitly defined color
metadata Array of Metadata objects No User defined metadata for this technique. See definition of Metadata object below

Gradient Object properties

Name Type Required? Default Value (if not present) Description
colors Array of String Yes n/a Specifies the hexadecimal RGB color values that constitute the color spectrum in use. The array must contain at least two (2) values, corresponding to the minValue and maxValue scores
minValue Number Yes n/a Lower bound score of the gradient
maxValue Number Yes n/a Upper bound score of the gradient. Note: maxValue must be > minValue

LegendItem Object properties

Name Type Required? Default Value (if not present) Description
label String Yes n/a The name of the legend item
color String Yes n/a The color of the legend item

Metadata Object properties

Name Type Required? Default Value (if not present) Description
name String Yes n/a the name of the metadata
value String Yes n/a The value of the metadata

Example

The following example illustrates the layer file format:

{
    "name": "example layer",
    "version": "2.1",
    "domain": "mitre-enterprise",
    "description": "hello, world",
    "filters": {
        "stages": [
            "act"
        ],
        "platforms": [
            "windows",
            "mac"
        ]
    },
    "sorting": 2,
    "viewMode": 0,
    "hideDisabled": false,
    "techniques": [
        {
            "techniqueID": "T1155",
            "tactic": "execution",
            "color": "#fd8d3c",
            "comment": "This is a comment for technique T1155 only under the Execution tactic."
        },
        {
            "techniqueID": "T1017",
            "tactic": "lateral-movement",
            "score": 75
        },
        {
            "techniqueID": "T1010",
            "tactic": "discovery",
            "enabled": false
        },
        {
            "techniqueID": "T1189",
            "tactic": "initial-access",
            "metadata": [
                { 
                    "name": "T1189 metadata1", 
                    "value": "T1189 metadata1 value" 
                },
                { 
                    "name": "T1189 metadata2", 
                    "value": "T1189 metadata2 value" 
                }
            ]
        },
    ],
    "gradient": {
        "colors": [
            "#ff6666",
            "#ffe766",
            "#8ec843"
        ],
        "minValue": 0,
        "maxValue": 100
    },
    "legendItems": [
        {
            "label": "Legend Item Label",
            "color": "#FF00FF"
        }
    ],
    "showTacticRowBackground": true,
    "tacticRowBackground": "#dddddd",
    "selectTechniquesAcrossTactics": false,
    "metadata": [
        { 
            "name": "layer metadata 1", 
            "value": "layer metadata 1 value" 
        },
        { 
            "name": "layer metadata 2", 
            "value": "layer metadata 2 value" 
        }
    ]
}