attack-flow
$
npx mdskill add wiz-sec-public/SITF/attack-flowGenerate SITF-compliant attack flow JSON from descriptions or reports.
- Analyzes supply chain attacks, breaches, or security incidents.
- Uses Read, WebSearch, WebFetch, Write, and Bash tools.
- Maps attack steps to techniques from techniques.json by action semantics.
- Outputs a structured attack flow JSON file for further analysis.
SKILL.md
.github/skills/attack-flowView on GitHub ↗
---
name: attack-flow
description: Generate SITF-compliant attack flow JSON files from attack descriptions or incident reports. Use when analyzing supply chain attacks, breaches, or security incidents.
argument-hint: <attack-name> [websearch|url]
tools: Read, Grep, Glob, WebSearch, WebFetch, Write, Bash
---
# Attack Flow Generator
Generate SITF-compliant attack flow JSON files from attack descriptions or incident reports.
## Usage
```
/attack-flow <attack-name> [source]
```
- `attack-name`: Identifier for the attack (e.g., "s1ngularity", "solarwinds")
- `source`: URL, "websearch" for auto-research, or omit to use conversation context
Arguments: $ARGUMENTS
## Instructions
When this skill is invoked:
### Phase 1: Research
1. If source is "websearch" or a URL, gather attack details:
- Attack timeline and phases
- Entry point and initial access method
- Lateral movement and persistence techniques
- Data exfiltration or impact
- Affected components (CI/CD, VCS, Registry, Endpoint, Production)
2. If source is omitted, use context from the current conversation.
### Phase 2: Technique Mapping
1. Read `techniques.json` to get the full technique library.
2. For each attack step, find the best matching technique:
- Match by **action semantics**, not surface keywords
- Example: Uploading stolen data to repos → T-V003 (Secret Exfiltration), NOT T-V008 (Malicious Hosting)
- Example: Accessing VCS with stolen creds → T-V001 must come BEFORE any VCS actions
3. If no matching technique exists:
- Check if attack step is **in-scope** for SITF (SDLC/supply-chain related)
- If in-scope: Create placeholder with `"type": "technique-gap"`
- If out-of-scope (generic cloud/infra attack): Note in output, reference MITRE ATT&CK
- Note in output that `/technique-proposal` should be run for in-scope gaps
### Phase 3: Layout Calculation
Apply these layout rules:
#### Rule 1: Component Layout (Left-to-Right by Attack Flow)
- Order components by their **sequence in the attack chain**, not by standard SITF order
- If attack flows CI/CD → Registry → Endpoint → VCS, layout left-to-right accordingly
- Minimum horizontal gap between components: 80-100px
- Component x-positions: Use increments of ~300px starting from x=50
#### Rule 2: Technique Ordering (Top-to-Bottom)
- **Primary**: Order techniques by their **sequence in the attack flow**
- **Secondary**: Within same attack step, order by stage (Initial Access → Discovery → Post-Compromise)
- Vertical gap between techniques: ~130px
- First technique starts at y = component.y + 80
#### Rule 3: Technique-Component Centering
- Every technique node MUST be visually centered within its parent component
- **Centering formula**: `technique.x = component.x + (component.width - technique.width) / 2`
- With component.width=250 and technique.width=160: offset = (250-160)/2 = 45
- Example: component at x=50 → technique at x=95
- Example: component at x=350 → technique at x=395
- Validate technique.data.component matches parent component.data.componentId
#### Rule 4: Component Sizing
- Width = 250px (standard)
- Height = max(500, (technique_count × 130) + 160) — ensures adequate vertical space
- All components should have consistent height for visual alignment
#### Rule 5: Edge Connections
- Connect source.bottom → target.top for vertical flows within component
- Connect source.right → target.left for cross-component flows
- Add labels for significant transitions ("Stolen token", "pip install", etc.)
- Use `"type": "smoothstep"` for all edges
### Phase 4: JSON Generation
Generate the attack flow JSON with this exact structure:
```json
{
"metadata": {
"name": "Attack Name",
"title": "Canvas Display Title",
"created": "ISO-8601 timestamp",
"version": "1.0",
"framework": "SITF",
"description": "Brief attack description"
},
"nodes": [],
"edges": []
}
```
**Metadata field guidelines:**
- `name`: Short identifier (e.g., "tj-actions", "circleci")
- `title`: Concise canvas title, max 5-7 words (e.g., "tj-actions/changed-files Compromise", "CircleCI Security Incident (2023)")
- `description`: One sentence summary, max 150 characters
- Do NOT write paragraph-length titles — save details for technique customLabels and evidence fields
#### Node Structure - Entry Point
```json
{
"id": "entryPoint-attackname-1",
"type": "entryPoint",
"position": { "x": -150, "y": 200 },
"data": {
"label": "Entry Point Label"
},
"zIndex": 10,
"width": 195,
"height": 46
}
```
#### Node Structure - Component
```json
{
"id": "component-cicd-1",
"type": "component",
"position": { "x": 50, "y": 80 },
"data": {
"label": "CI/CD",
"componentId": "cicd",
"techniques": [],
"customLabel": "Context-specific label"
},
"zIndex": -1,
"width": 250,
"height": 500,
"style": { "width": 250, "height": 500 }
}
```
#### Node Structure - Technique (CRITICAL: use exact field names)
```json
{
"id": "technique-c003-1",
"type": "technique",
"position": { "x": 95, "y": 160 },
"data": {
"id": "T-C003",
"name": "PWN Request / Poisoned Pipeline Execution",
"component": "cicd",
"stage": "Initial Access",
"description": "Full description from techniques.json",
"risks": ["risk1", "risk2"],
"controls": {
"protective": [{ "name": "control1", "frameworks": {...} }],
"detective": [{ "name": "control2", "frameworks": {...} }]
},
"customLabel": "Attack-specific context",
"evidence": "Optional: specific evidence from the attack"
},
"zIndex": 10,
"width": 160,
"height": 96
}
```
**IMPORTANT technique.data fields:**
- `id`: Use technique ID (e.g., "T-C003") — NOT "techniqueId"
- `name`: Use technique name — NOT "label"
- `risks`: Copy full array from techniques.json
- `controls`: Copy full object with `protective` and `detective` arrays from techniques.json
- `customLabel`: Add attack-specific context (e.g., "PRs #18018, #18020")
- `evidence`: Optional field for attack-specific evidence
#### Node Structure - Exit Point
```json
{
"id": "exitPoint-attackname-1",
"type": "exitPoint",
"position": { "x": 950, "y": 200 },
"data": {
"label": "Secondary Supply Chain Attack"
},
"zIndex": 10,
"width": 144,
"height": 46
}
```
#### Edge Structure (with full styling)
```json
{
"id": "edge-source-target",
"source": "technique-c003-1",
"sourceHandle": "bottom",
"target": "technique-c004-1",
"targetHandle": "top",
"type": "smoothstep",
"animated": false,
"markerEnd": { "type": "arrowclosed" },
"label": "",
"labelStyle": { "fill": "#DC2626", "fontWeight": 600, "fontSize": 12 },
"labelBgStyle": { "fill": "#FEE2E2", "fillOpacity": 0.9 }
}
```
#### Cross-component Edge (with gray styling)
```json
{
"id": "edge-cross-component",
"source": "technique-c011-1",
"sourceHandle": "right",
"target": "technique-r001-1",
"targetHandle": "left",
"type": "smoothstep",
"animated": false,
"style": { "stroke": "#9ca3af" },
"markerEnd": { "type": "arrowclosed", "color": "#9ca3af" },
"label": "Transition label",
"labelStyle": { "fill": "#DC2626", "fontWeight": 600, "fontSize": 12 },
"labelBgStyle": { "fill": "#FEE2E2", "fillOpacity": 0.9 }
}
```
Node types:
- `entryPoint`: Attack entry (Phishing, Vulnerability Exploit, Stolen Credentials, Malicious Fork PR, etc.)
- `component`: SITF component container (endpoint, vcs, cicd, registry, production)
- `technique`: Attack technique from techniques.json
- `technique-gap`: Placeholder for missing technique (flag for /technique-proposal)
- `exitPoint`: Attack outcome (Future Breach, Persistence, Secondary Supply Chain Attack, etc.)
- `victimZone`: Visual container grouping components belonging to a single victim organization
#### Victim Zones (Multi-Organization Attacks)
When an attack involves multiple victim organizations (e.g., supply chain attacks that cascade across vendors), use `victimZone` nodes to visually group each victim's components.
**When to use victim zones:**
- Attack spreads from one organization to another (e.g., TeamPCP: Aqua → Checkmarx → GitHub)
- Multiple independent victims are compromised via shared dependency
- Supply chain attack where upstream compromise affects downstream organizations
**Victim Zone Structure:**
```json
{
"id": "victimZone-aqua",
"type": "victimZone",
"position": { "x": -24, "y": 15 },
"data": {
"label": "Aqua Security",
"color": "#3B82F6"
},
"zIndex": -10,
"width": 1444,
"height": 945,
"style": { "width": 1444, "height": 945 }
}
```
**Layout rules for victim zones:**
- Place victim zones left-to-right in order of compromise (first victim on left)
- Size each zone to fully contain its components with ~20px padding
- Use distinct colors for each victim (e.g., `#3B82F6` blue, `#06B6D4` cyan, `#8B5CF6` purple)
- Set `zIndex: -10` so zones render behind components and techniques
- Connect cross-zone techniques with edges showing the pivot between organizations
**Reference:** See `flows/incidents/teampcp-campaign.json` for a multi-victim example with 4 victim zones.
### Phase 5: Control Gap Analysis
After generating the flow, analyze defensive gaps:
1. For each technique used in the attack:
- List the protective controls from techniques.json
- Identify which controls were missing (enabled the attack)
2. Generate a **Controls Gap Summary**:
```
| Technique | Missing Control | Type | OWASP SPVS |
|-----------|-----------------|------|------------|
| T-C003 | Minimal workflow permissions | Protective | V3.1 |
| T-C005 | Log sanitization | Protective | V2.5 |
| T-C005 | Runtime agent on runner | Detective | V5.4 |
```
3. Prioritize recommendations by:
- Number of techniques the control would prevent
- Stage of attack it would block (earlier = higher priority)
### Phase 6: Validation
Run this checklist before outputting:
```
[ ] Valid JSON structure (parse test passes)
[ ] Required fields present: metadata.{name,title,created,version,framework}, nodes[], edges[]
[ ] All node IDs are unique
[ ] All edge source/target reference valid node IDs
[ ] Technique nodes use data.id and data.name (NOT techniqueId/label)
[ ] Technique nodes include full risks[] array and controls object with protective/detective arrays
[ ] Out-of-scope attack steps noted but not forced into SITF techniques
[ ] All techniques centered within components (x = component.x + 45 for width=250)
[ ] Component heights are adequate (minimum 500px)
[ ] Techniques ordered by attack flow sequence
[ ] Initial Access techniques appear first when order is ambiguous
[ ] All technique IDs exist in techniques.json OR flagged as technique-gap
[ ] Exit points connected to terminal techniques
[ ] No orphaned nodes (every non-entry node has incoming edge)
[ ] Edges have sourceHandle, targetHandle, markerEnd, labelStyle, labelBgStyle
```
### Phase 7: Output
1. Write the JSON file to `flows/incidents/<attack-name>.json`
2. Validate the JSON with Python: `python3 -c "import json; json.load(open('file'))"`
3. Provide output summary:
```markdown
## Attack Flow: <attack-name>
### Attack Chain
1. Initial Access via [entry point]
2. [Technique] → [Technique] → ...
3. Impact: [exit point]
### Techniques Used
| ID | Name | Component | Stage |
|----|------|-----------|-------|
| T-C003 | PWN Request | CI/CD | Initial Access |
| ... | ... | ... | ... |
### Control Gaps Identified
| Missing Control | Type | Would Prevent | OWASP SPVS |
|-----------------|------|---------------|------------|
| Minimal workflow permissions | Protective | T-C003 | V3.1 |
| ... | ... | ... | ... |
### Out-of-Scope Steps
- [Step X]: Generic cloud attack, see MITRE ATT&CK T1078
### Technique Gaps
- [Step Y]: No matching SITF technique, run `/technique-proposal`
```
4. If any technique-gaps exist, list them and recommend running `/technique-proposal`
## Example
```
/attack-flow ultralytics websearch
```
This will:
1. Search for ultralytics attack details
2. Map attack steps to SITF techniques
3. Generate `flows/incidents/ultralytics.json`
4. Output attack flow summary
## Reference: Working Sample
See `flows/incidents/ultralytics.json` or `flows/incidents/tj-actions.json` for correctly structured examples.