Folha de Dicas do Coletor de Dados AzureHound BloodHound

Visão Geral

AzureHound é um coletor de dados para BloodHound desenvolvido pela SpecterOps que coleta informações do Azure Active Directory e Azure Resource Manager. Ele mapeia relacionamentos do Azure AD e caminhos de ataque, fornecendo recursos de visualização para ambientes Azure semelhantes à análise de Active Directory local do BloodHound.

⚠️ Aviso: Esta ferramenta destina-se apenas a testes de penetração autorizados e avaliações de segurança. Certifique-se de ter autorização adequada antes de usar em qualquer ambiente.

Instalação

Binários Pré-compilados

# Download latest release for Linux
wget https://github.com/BloodHoundAD/AzureHound/releases/latest/download/azurehound-linux-amd64.zip
unzip azurehound-linux-amd64.zip
chmod +x azurehound

# Download for Windows
# Download azurehound-windows-amd64.zip from GitHub releases

# Download for macOS
wget https://github.com/BloodHoundAD/AzureHound/releases/latest/download/azurehound-darwin-amd64.zip
unzip azurehound-darwin-amd64.zip
chmod +x azurehound

Compilar a partir do Código-fonte

# Install Go (version 1.19+)
git clone https://github.com/BloodHoundAD/AzureHound.git
cd AzureHound
go build -o azurehound ./cmd/azurehound

Instalação com Docker

# Build Docker image
git clone https://github.com/BloodHoundAD/AzureHound.git
cd AzureHound
docker build -t azurehound .

# Run AzureHound in Docker
docker run -it -v $(pwd):/data azurehound

Uso Básico

Métodos de Autenticação

# Interactive authentication
./azurehound -u user@domain.com -p password

# Device code authentication
./azurehound --device-code

# Service principal authentication
./azurehound --client-id <client-id> --client-secret <secret> --tenant-id <tenant-id>

# Certificate authentication
./azurehound --client-id <client-id> --cert-path cert.pem --key-path key.pem --tenant-id <tenant-id>

# Managed identity authentication (Azure VM)
./azurehound --managed-identity

Coleta Básica de Dados

# Collect all available data
./azurehound list all

# Collect specific data types
./azurehound list users,groups,applications

# Output to specific file
./azurehound list all -o azure_data.json

# Collect with specific tenant
./azurehound list all --tenant-id <tenant-id>

Referência de Comandos

Opções de Autenticação

Opção	Descrição
-u, --username	Nome de usuário para autenticação
-p, --password	Senha para autenticação
--device-code	Utilize o fluxo de código de dispositivo
--client-id	ID do cliente de entidade de serviço
--client-secret	Segredo de entidade de serviço
--cert-path	Caminho do arquivo de certificado
--tenant-id	ID de locatário do Azure AD

Opções de Coleta

Opção	Descrição
list	Coletar tipos de dados especificados
-o, --output	Caminho do arquivo de saída
--threads	Número de threads concorrentes
--delay	Intervalo entre solicitações (ms)
--jitter	Porcentagem de jitter aleatório
--timeout	Tempo limite de solicitação (segundos)

Tipos de Dados

Tipo	Descrição
users	Utilizadores do Azure AD
groups	Grupos do Azure AD
applications	Registos de Aplicações
service-principals	Service principals
devices	Dispositivos do Azure AD
roles	Funções de diretório
subscriptions	Assinaturas do Azure
resource-groups	Grupos de recursos

Estratégias de Coleta de Dados

Coleta Abrangente

# Collect all Azure AD data
./azurehound list users,groups,applications,service-principals,devices,roles -o azuread_complete.json

# Collect all Azure Resource Manager data
./azurehound list subscriptions,resource-groups,virtual-machines,key-vaults,storage-accounts -o azure_resources.json

# Collect everything
./azurehound list all -o azure_full_dump.json

Coleta Direcionada

# Focus on privileged accounts
./azurehound list users,groups,roles --filter "privileged" -o privileged_accounts.json

# Application and service principal focus
./azurehound list applications,service-principals -o applications.json

# Device and compliance focus
./azurehound list devices,conditional-access-policies -o device_compliance.json

Coleta Furtiva

# Low and slow collection
./azurehound list all --threads 1 --delay 5000 --jitter 50 -o stealth_collection.json

# Randomized collection order
./azurehound list users,groups,applications --random-order --delay 2000 -o random_collection.json

# Time-based collection
./azurehound list all --start-time "09:00" --end-time "17:00" -o business_hours.json

Técnicas Avançadas de Coleta

Coleta Multi-Tenant

# Collect from multiple tenants
tenants=("tenant1-id" "tenant2-id" "tenant3-id")
for tenant in "$\\\\{tenants[@]\\\\}"; do
    ./azurehound list all --tenant-id $tenant -o "tenant_$\\\\{tenant\\\\}.json"
done

# Merge tenant data
jq -s 'add' tenant_*.json > multi_tenant_data.json

Enumeração de Assinaturas

# List all accessible subscriptions
./azurehound list subscriptions -o subscriptions.json

# Collect data from specific subscription
./azurehound list resource-groups,virtual-machines --subscription-id <sub-id> -o subscription_data.json

# Iterate through all subscriptions
for sub_id in $(jq -r '.data[].properties.subscriptionId' subscriptions.json); do
    ./azurehound list all --subscription-id $sub_id -o "sub_$\\\\{sub_id\\\\}.json"
done

Consultas e Filtros Personalizados

# Filter by specific attributes
./azurehound list users --filter "department eq 'IT'" -o it_users.json

# Search for specific patterns
./azurehound list applications --search "admin" -o admin_apps.json

# Collect only enabled accounts
./azurehound list users --filter "accountEnabled eq true" -o active_users.json

Integração com BloodHound

Importação de Dados para BloodHound

# Start BloodHound Community Edition
docker run -p 7474:7474 -p 7687:7687 -e NEO4J_AUTH=neo4j/bloodhound specterops/bloodhound

# Import AzureHound data
# Use BloodHound GUI to import the JSON files
# File -> Import Data -> Select AzureHound JSON files

Consultas Cypher Personalizadas

-- Find all Global Administrators
MATCH (u:AZUser)-[:AZHasRole]->(r:AZRole \\\\{displayname: "Global Administrator"\\\\})
RETURN u.displayname, u.userprincipalname

-- Find applications with high privileges
MATCH (app:AZApp)-[:AZHasAppRole]->(role:AZAppRole)
WHERE role.value CONTAINS "All"
RETURN app.displayname, role.value

-- Find users with direct role assignments
MATCH (u:AZUser)-[:AZHasRole]->(r:AZRole)
WHERE NOT (u)-[:AZMemberOf]->()-[:AZHasRole]->(r)
RETURN u.displayname, r.displayname

-- Find privilege escalation paths
MATCH p = (u:AZUser)-[:AZMemberOf*1..3]->(g:AZGroup)-[:AZHasRole]->(r:AZRole)
WHERE r.displayname CONTAINS "Administrator"
RETURN p

-- Find applications owned by users
MATCH (u:AZUser)-[:AZOwns]->(app:AZApp)
RETURN u.displayname, app.displayname

-- Find service principals with secrets
MATCH (sp:AZServicePrincipal)-[:AZHasSecret]->(s:AZSecret)
RETURN sp.displayname, s.displayname

Consultas Personalizadas do BloodHound

\\\\{
  "queries": [
    \\\\{
      "name": "Azure Global Admins",
      "category": "Azure",
      "queryList": [
        \\\\{
          "final": true,
          "query": "MATCH (u:AZUser)-[:AZHasRole]->(r:AZRole \\\\{displayname: 'Global Administrator'\\\\}) RETURN u"
        \\\\}
      ]
    \\\\},
    \\\\{
      "name": "High Privilege Applications",
      "category": "Azure",
      "queryList": [
        \\\\{
          "final": true,
          "query": "MATCH (app:AZApp)-[:AZHasAppRole]->(role:AZAppRole) WHERE role.value CONTAINS 'All' RETURN app"
        \\\\}
      ]
    \\\\},
    \\\\{
      "name": "Privilege Escalation Paths to Global Admin",
      "category": "Azure",
      "queryList": [
        \\\\{
          "final": true,
          "query": "MATCH p = shortestPath((u:AZUser)-[*1..6]->(r:AZRole \\\\{displayname: 'Global Administrator'\\\\})) RETURN p"
        \\\\}
      ]
    \\\\}
  ]
\\\\}

Análise e Processamento de Dados

Processamento de Dados JSON

# Extract user information
jq '.data[]|select(.kind == "AZUser")|\\\\{name: .properties.displayName, upn: .properties.userPrincipalName, enabled: .properties.accountEnabled\\\\}' azure_data.json

# Find privileged users
jq '.data[]|select(.kind == "AZUser" and (.properties.assignedRoles // [])|length > 0)' azure_data.json

# Extract application permissions
jq '.data[]|select(.kind == "AZApp")|\\\\{name: .properties.displayName, permissions: .properties.requiredResourceAccess\\\\}' azure_data.json

# Count objects by type
jq '.data|group_by(.kind)|map(\\\\{kind: .[0].kind, count: length\\\\})' azure_data.json

Análise com PowerShell

Would you like me to continue with the remaining sections?```powershell

Load and analyze AzureHound data

$azureData = Get-Content -Path “azure_data.json”|ConvertFrom-Json

Find users with administrative roles

$adminUsers = $azureData.data|Where-Object \\{ $.kind -eq “AZUser” -and $.properties.assignedRoles -contains “Global Administrator” \\}

Find applications with high privileges

$highPrivApps = $azureData.data|Where-Object \\{ $.kind -eq “AZApp” -and $.properties.requiredResourceAccess.resourceAppId -contains “00000003-0000-0000-c000-000000000000” \\}

Generate summary report

$report = @\\{ TotalUsers = ($azureData.data|Where-Object \\{$.kind -eq “AZUser”\\}).Count TotalGroups = ($azureData.data|Where-Object \\{$.kind -eq “AZGroup”\\}).Count TotalApps = ($azureData.data|Where-Object \\{$_.kind -eq “AZApp”\\}).Count AdminUsers = $adminUsers.Count HighPrivApps = $highPrivApps.Count \\}

$report|ConvertTo-Json|Out-File “azure_summary.json”

```python
import json
import pandas as pd

# Load AzureHound data
with open('azure_data.json', 'r') as f:
    azure_data = json.load(f)

# Convert to DataFrame for analysis
df = pd.json_normalize(azure_data['data'])

# Analyze user distribution
users_df = df[df['kind'] == 'AZUser']
user_stats = \\\\{
    'total_users': len(users_df),
    'enabled_users': len(users_df[users_df['properties.accountEnabled'] == True]),
    'guest_users': len(users_df[users_df['properties.userType'] == 'Guest']),
    'admin_users': len(users_df[users_df['properties.assignedRoles'].notna()])
\\\\}

# Analyze applications
apps_df = df[df['kind'] == 'AZApp']
app_stats = \\\\{
    'total_apps': len(apps_df),
    'apps_with_secrets': len(apps_df[apps_df['properties.passwordCredentials'].notna()]),
    'apps_with_certs': len(apps_df[apps_df['properties.keyCredentials'].notna()])
\\\\}

print(f"User Statistics: \\\\{user_stats\\\\}")
print(f"Application Statistics: \\\\{app_stats\\\\}")
```## Segurança Operacional

### Técnicas de Furtividade
```bash
# Use legitimate user agent
./azurehound list all --user-agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"

# Randomize request timing
./azurehound list all --delay 3000 --jitter 75

# Use proxy for requests
./azurehound list all --proxy http://proxy:8080

# Limit concurrent requests
./azurehound list all --threads 2
```### Evasão de Limitação de Taxa
```bash
# Implement exponential backoff
./azurehound list all --retry-count 5 --retry-delay 30

# Spread collection over time
./azurehound list users --delay 10000
sleep 300
./azurehound list groups --delay 10000
sleep 300
./azurehound list applications --delay 10000
```### Evasão de Logs
```bash
# Use service principal instead of user account
./azurehound list all --client-id $CLIENT_ID --client-secret $CLIENT_SECRET --tenant-id $TENANT_ID

# Perform collection during business hours
current_hour=$(date +%H)
if [ $current_hour -ge 9 ] && [ $current_hour -le 17 ]; then
    ./azurehound list all -o business_hours_collection.json
fi
```## Automação e Scripting

### Script de Coleta Automatizada
```bash
#!/bin/bash

# AzureHound automated collection script
TENANT_ID="your-tenant-id"
CLIENT_ID="your-client-id"
CLIENT_SECRET="your-client-secret"
OUTPUT_DIR="./azurehound_output"

# Create output directory
mkdir -p $OUTPUT_DIR

# Collect Azure AD data
echo "Collecting Azure AD data..."
./azurehound list users,groups,applications,service-principals,devices,roles \
    --client-id $CLIENT_ID \
    --client-secret $CLIENT_SECRET \
    --tenant-id $TENANT_ID \
    --threads 3 \
    --delay 2000 \
    -o "$OUTPUT_DIR/azuread_$(date +%Y%m%d_%H%M%S).json"

# Collect Azure Resource data
echo "Collecting Azure Resource data..."
./azurehound list subscriptions,resource-groups,virtual-machines,key-vaults \
    --client-id $CLIENT_ID \
    --client-secret $CLIENT_SECRET \
    --tenant-id $TENANT_ID \
    --threads 2 \
    --delay 3000 \
    -o "$OUTPUT_DIR/azure_resources_$(date +%Y%m%d_%H%M%S).json"

echo "Collection completed. Files saved to $OUTPUT_DIR"
```### Automação PowerShell
```powershell
# PowerShell automation script
param(
    [string]$TenantId,
    [string]$ClientId,
    [string]$ClientSecret,
    [string]$OutputPath = ".\azurehound_output"
)

# Create output directory
New-Item -ItemType Directory -Path $OutputPath -Force

# Define collection types
$collections = @(
    @\\\\{Name = "users"; Types = "users,groups,roles"\\\\},
    @\\\\{Name = "applications"; Types = "applications,service-principals"\\\\},
    @\\\\{Name = "devices"; Types = "devices,conditional-access-policies"\\\\},
    @\\\\{Name = "resources"; Types = "subscriptions,resource-groups,virtual-machines"\\\\}
)

# Perform collections
foreach ($collection in $collections) \\\\{
    $outputFile = Join-Path $OutputPath "$($collection.Name)_$(Get-Date -Format 'yyyyMMdd_HHmmss').json"

    Write-Host "Collecting $($collection.Name) data..."

    & .\azurehound.exe list $collection.Types `
        --client-id $ClientId `
        --client-secret $ClientSecret `
        --tenant-id $TenantId `
        --threads 2 `
        --delay 2000 `
        -o $outputFile

    Start-Sleep -Seconds 30
\\\\}

Write-Host "Collection completed. Files saved to $OutputPath"
```## Resolução de Problemas

### Problemas de Autenticação
```bash
# Test authentication
./azurehound auth test --client-id $CLIENT_ID --client-secret $CLIENT_SECRET --tenant-id $TENANT_ID

# Debug authentication
./azurehound list users --debug --client-id $CLIENT_ID --client-secret $CLIENT_SECRET --tenant-id $TENANT_ID

# Check token validity
./azurehound auth token --client-id $CLIENT_ID --client-secret $CLIENT_SECRET --tenant-id $TENANT_ID
```### Problemas de Permissão
```bash
# Check required permissions
./azurehound permissions check --client-id $CLIENT_ID --tenant-id $TENANT_ID

# List current permissions
./azurehound permissions list --client-id $CLIENT_ID --tenant-id $TENANT_ID

# Test specific permission
./azurehound permissions test --permission "User.Read.All" --client-id $CLIENT_ID --tenant-id $TENANT_ID
```### Problemas de Limitação de Taxa
```bash
# Handle rate limiting
./azurehound list all --retry-count 10 --retry-delay 60 --threads 1

# Monitor rate limit headers
./azurehound list users --debug|grep -i "rate\|limit\|throttle"

# Use exponential backoff
./azurehound list all --backoff-strategy exponential --max-delay 300
```### Problemas de Coleta de Dados
```bash
# Validate output
jq empty azure_data.json && echo "Valid JSON"||echo "Invalid JSON"

# Check data completeness
jq '.data|group_by(.kind)|map(\\\\{kind: .[0].kind, count: length\\\\})' azure_data.json

# Verify specific data types
jq '.data[]|select(.kind == "AZUser")|length' azure_data.json
```## Integração com Outras Ferramentas

### Integração com ROADtools
```bash
# Convert AzureHound data for ROADtools
jq '.data[]|select(.kind == "AZUser")' azure_data.json > users_for_roadtools.json

# Use with ROADtools database
roadrecon import --file azure_data.json
roadrecon gui
```### Integração com AADInternals
```powershell
# Use AzureHound data with AADInternals
$azureHoundData = Get-Content -Path "azure_data.json"|ConvertFrom-Json

# Extract user information for AADInternals
$users = $azureHoundData.data|Where-Object \\\\{$_.kind -eq "AZUser"\\\\}
foreach ($user in $users) \\\\{
    # Use AADInternals to get additional information
    $additionalInfo = Get-AADIntUser -AccessToken $accessToken -UserPrincipalName $user.properties.userPrincipalName
\\\\}
```### Integração de Ferramentas Personalizadas
```python
# Python integration example
import json
import requests

def process_azurehound_data(file_path):
    with open(file_path, 'r') as f:
        data = json.load(f)

    # Process users
    users = [item for item in data['data'] if item['kind'] == 'AZUser']

    # Process groups
    groups = [item for item in data['data'] if item['kind'] == 'AZGroup']

    # Process applications
    apps = [item for item in data['data'] if item['kind'] == 'AZApp']

    return \\\\{
        'users': users,
        'groups': groups,
        'applications': apps
    \\\\}

# Usage
processed_data = process_azurehound_data('azure_data.json')
```## Recursos

- [Repositório GitHub do AzureHound](https://github.com/BloodHoundAD/AzureHound)
- [Documentação do BloodHound](https://bloodhound.readthedocs.io/)
- [Blog da SpecterOps](https://posts.specterops.io/)
- [Ataque e Defesa do Azure AD](https://cloudbrothers.info/en/azure-attack-defense/)
- [Edição Comunitária do BloodHound](https://github.com/SpecterOps/BloodHound)

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*Este guia de referência fornece uma referência abrangente para o uso do AzureHound. Sempre garanta que você tenha autorização adequada antes de realizar avaliações de segurança do Azure AD.*