main.go

package main

import (
	"flag"
	"fmt"
	"os"
	"strings"
	"time"
)

func main() {

	// Command line arguments
	bigFlag := flag.Bool("b", false, "Generate more permutations of passwords (recommended for offline brute)")
	webFlag := flag.Bool("w", true, "Generate a smaller amount of permutations (recommended for online spray)")
	silent := flag.Bool("silent", false, "Don't show banner")
	companyFlag := flag.String("c", "", "Company Names (comma-separated) to be used in permutations")
	outputFlag := flag.String("o", "", "File to store the passwords. If not specified, it will be printed to stdout")
	flag.Parse()

	if *companyFlag == "" || (!*bigFlag && !*webFlag) {
		flag.Usage()
		os.Exit(1)
	}
	if !*silent {
		// banner
		fmt.Fprintln(os.Stderr, `
	_______  _______  _        _______  _______  _______  _______         _ 
|\     /|(  ____ \(  ___  )| \    /\(  ____ )(  ___  )(  ____ \(  ____ \       / )
| )   ( || (    \/| (   ) ||  \  / /| (    )|| (   ) || (    \/| (    \/   _  / / 
| | _ | || (__    | (___) ||  (_/ / | (____)|| (___) || (_____ | (_____   (_)( (  
| |( )| ||  __)   |  ___  ||   _ (  |  _____)|  ___  |(_____  )(_____  )     | |  
| || || || (      | (   ) ||  ( \ \ | (      | (   ) |      ) |      ) |   _ ( (  
| () () || (____/\| )   ( ||  /  \ \| )      | )   ( |/\____) |/\____) |  (_) \ \ 
(_______)(_______/|/     \||_/    \/|/       |/     \|\_______)\_______)       \_)

						  by: @sunw4r
																			
`)

	}

	// Split the comma-separated company names
	companyNames := strings.Split(*companyFlag, ",")

	var wpwdlist []string

	for _, company := range companyNames {
		company := strings.ToLower(company)
		companyCap := strings.Title(company)
		companyFullCap := strings.ToUpper(company)
		caseTypes := []string{companyCap, company, companyFullCap}
		webCaseTypes := []string{companyCap, company}

		currentYear := time.Now().Year()
		currentYearM := currentYear - 1
		currentYearMM := currentYear - 2
		currentYearMMM := currentYear - 3
		currentYearMMMM := currentYear - 4
		currentYearMMMMM := currentYear - 5
		currentYearP := currentYear + 1

		numbers := []string{
			fmt.Sprintf("%d", currentYear),
			fmt.Sprintf("%d", currentYearM),
			fmt.Sprintf("%d", currentYearMM),
			fmt.Sprintf("%d", currentYearMMM),
			fmt.Sprintf("%d", currentYearMMMM),
			fmt.Sprintf("%d", currentYearMMMMM),
			fmt.Sprintf("%d", currentYearP),
			"1",
			"12",
			"123",
			"1234",
			"12345",
		}

		webNumbers := []string{
			fmt.Sprintf("%d", currentYear),
			fmt.Sprintf("%d", currentYearM),
			"123",
		}

		specials := []string{"@", "", "!", "*", "#"}

		webSpecials := []string{"@", ""}

		if *bigFlag {
			for _, x := range caseTypes {
				for _, y := range numbers {
					for _, z := range specials {
						wpwdlist = append(wpwdlist, x+z+y, x+y+z, y+x+z, y+z+x, z+y+x, z+x+y)
					}
				}
			}
		} else if *webFlag {
			for _, x := range webCaseTypes {
				for _, y := range webNumbers {
					for _, z := range webSpecials {
						wpwdlist = append(wpwdlist, x+z+y)
					}
				}
			}
		}
	}

	// Remove duplicates
	outputMap := make(map[string]struct{})
	for _, password := range wpwdlist {
		outputMap[password] = struct{}{}
	}
	var output []string
	for password := range outputMap {
		output = append(output, password)
	}

	// Print or save to file
	if *outputFlag != "" {
		file, err := os.Create(*outputFlag)
		if err != nil {
			fmt.Fprintln(os.Stderr, "Error opening output file:", err)
			os.Exit(1)
		}
		defer file.Close()

		for _, password := range output {
			fmt.Fprintln(file, password)
		}
	} else {
		for _, password := range output {
			fmt.Println(password)
		}
	}
}