// DO NOT clone or download this repository to production systems
// Use isolated VM or sandbox environment only

// Example investigation workflow for security researchers:
package main

import (
    "fmt"
    "os"
    "path/filepath"
)

// AnalyzeRepository performs static analysis without execution
func AnalyzeRepositoryMetadata() {
    indicators := []string{
        "Check for obfuscated Go binaries",
        "Analyze network connection patterns in code",
        "Search for embedded executables or payloads",
        "Examine build scripts for download operations",
        "Look for credential harvesting patterns",
        "Check for anti-analysis techniques",
    }
    
    for _, indicator := range indicators {
        fmt.Printf("[CHECK] %s\n", indicator)
    }
}

// SuspiciousPatterns to search for in code
var malwarePatterns = []string{
    "syscall.Syscall",           // Direct Windows API calls
    "CreateProcessW",             // Process injection
    "VirtualAllocEx",            // Memory manipulation
    "WriteProcessMemory",        // Code injection
    "base64.StdEncoding",        // Common obfuscation
    "net.Dial",                  // Network connections
    "http.Post",                 // Data exfiltration
    "os.Getenv(\"USERPROFILE\")", // User directory access
}

package investigation

import (
    "log"
    "os/exec"
)

// BehavioralIndicators - What to monitor in sandbox
type BehavioralIndicators struct {
    FileSystemWrites   []string // Unexpected file creation
    RegistryModifications []string // Persistence mechanisms
    NetworkConnections []string // C2 communication
    ProcessInjection   bool     // Code injection attempts
    PrivilegeEscalation bool    // Admin access attempts
}

// MonitorSandbox - DO NOT USE ON REAL SYSTEMS
func MonitorSandbox() {
    log.Println("⚠️  SANDBOX ENVIRONMENT ONLY")
    log.Println("Monitor for:")
    log.Println("- Unexpected network connections")
    log.Println("- Registry key creation (HKCU/HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\Run)")
    log.Println("- File drops to Temp, AppData, or System32")
    log.Println("- Process hollowing or injection")
    log.Println("- Credential access attempts")
    log.Println("- Clipboard monitoring")
}

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package network

import (
    "regexp"
    "io/ioutil"
)

// ExtractIOCs finds network indicators without execution
func ExtractIOCs(filepath string) ([]string, error) {
    content, err := ioutil.ReadFile(filepath)
    if err != nil {
        return nil, err
    }
    
    // Pattern matching for C2 indicators
    patterns := []*regexp.Regexp{
        regexp.MustCompile(`https?://[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,}`),
        regexp.MustCompile(`\b(?:\d{1,3}\.){3}\d{1,3}\b`),
        regexp.MustCompile(`[a-zA-Z0-9\-\.]+\.onion`),
    }
    
    var iocs []string
    for _, pattern := range patterns {
        matches := pattern.FindAllString(string(content), -1)
        iocs = append(iocs, matches...)
    }
    
    return iocs, nil
}

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// Isolation checklist before investigation
type IsolationChecklist struct {
    DisconnectedVM      bool // Air-gapped virtual machine
    SnapshotTaken       bool // VM snapshot before analysis
    NetworkMonitored    bool // Wireshark/tcpdump running
    ProcessMonitored    bool // Process Monitor active
    NoPersonalData      bool // Clean VM with no credentials
    BackupAvailable     bool // Full system backup
}

func ValidateIsolation(c IsolationChecklist) bool {
    return c.DisconnectedVM && 
           c.SnapshotTaken && 
           c.NetworkMonitored && 
           c.NoPersonalData
}

rule FakeBitdefenderCrack
{
    meta:
        description = "Detects fake Bitdefender crack malware"
        author = "Security Research"
        reference = "github.com/MistDuckCount/Bitdefender-Total-Security-Crack-2026"
        
    strings:
        $s1 = "bitdefender" nocase
        $s2 = "crack" nocase
        $s3 = "keygen" nocase
        $s4 = "pre-activated" nocase
        
    condition:
        2 of ($s*)
}