etc

~ scripts and random things
git clone https://github.com/djnnvx/etc.git
main.go (2778B)
      1 package main
      2 
      3 import (
      4 	"github.com/spf13/cobra"
      5 
      6 	"evil.djnn.sh/djnn/maildigger/dkim"
      7 
      8 	"bufio"
      9 	"fmt"
     10 	"net"
     11 	"os"
     12 )
     13 
     14 const version = "0.0.2"
     15 const ASCII_ART = `
     16 
     17      .-.
     18     /'v'\           maildigger
     19    (/   \)           ~djnn.sh
     20 ==='="="===<
     21     |_|              v0.0.2
     22 
     23                                                      s/o vsim<3
     24                                                hack the planet,
     25                                          travel the world . . .
     26 -----------------------------------------------------------------------------
     27        DNS scrapping tool to recover DKIM
     28          records & enum DNS TXT records
     29 
     30  => https://evil.djnn.sh/etc/file/pentest/recon/maildigger/README.md.html <=
     31 -----------------------------------------------------------------------------
     32 
     33 `
     34 
     35 var (
     36 	domainsFilepath string
     37 	nameserver      string
     38 
     39 	domain string
     40 
     41 	maxLenDKIM int32
     42 	maxLenSPF  int32
     43 )
     44 
     45 var rootCmd = &cobra.Command{
     46 	Use:     "maildigger",
     47 	Short:   "simple cli to scrape DKIM or SPF records",
     48 	Long:    ASCII_ART,
     49 	Version: version,
     50 	Run: func(cmd *cobra.Command, args []string) {
     51 		println(ASCII_ART) /* why make hacking CLIs if you cant print silly ascii art ? */
     52 
     53 		if domainsFilepath == "" {
     54 			println("[!] error: please specify domain.")
     55 			os.Exit(1)
     56 		}
     57 
     58 		file, err := os.Open(domainsFilepath)
     59 		if err != nil {
     60 			panic(err)
     61 		}
     62 		defer file.Close()
     63 
     64 		domains := make([]string, 1)
     65 		scanner := bufio.NewScanner(file)
     66 		for scanner.Scan() {
     67 			domains = append(domains, scanner.Text())
     68 		}
     69 
     70 		if err := scanner.Err(); err != nil {
     71 			panic(err)
     72 		}
     73 		fmt.Printf("[+] Loaded %d domains...\n", len(domains))
     74 
     75 		dkimRunner := dkim.DkimRunner{
     76 			DnsServer: nameserver,
     77 			Domains:   domains,
     78 		}
     79 
     80 		err = dkimRunner.Run(maxLenDKIM)
     81 		if err != nil {
     82 			println("[!] Error while recovering DKIM records")
     83 			panic(err)
     84 		}
     85 
     86 		println("[+] DKIM check done.")
     87 
     88 	},
     89 }
     90 
     91 var getTxtCmd = &cobra.Command{
     92 	Use:     "get-txt",
     93 	Short:   "retrieves TXT records",
     94 	Long:    ASCII_ART,
     95 	Version: version,
     96 	Run: func(cmd *cobra.Command, args []string) {
     97 		if domain == "" {
     98 			println("[!] You need to check a domain name")
     99 			os.Exit(1)
    100 		}
    101 
    102 		txts, err := net.LookupTXT(domain)
    103 		if err != nil {
    104 			panic(err)
    105 		}
    106 
    107 		for _, txt := range txts {
    108 			fmt.Printf("TXT[%s] => %s\n", domain, txt)
    109 		}
    110 
    111 	},
    112 }
    113 
    114 func main() {
    115 
    116 	rootCmd.Flags().StringVarP(&nameserver, "nameserver", "n", "8.8.8.8", "DNS nameserver")
    117 	rootCmd.Flags().StringVarP(&domainsFilepath, "domains", "d", "domains.txt", "file containing list of domains (line by line)")
    118 	rootCmd.Flags().Int32VarP(&maxLenDKIM, "dkim-max-len", "", 128, "DKIM key max size")
    119 
    120 	getTxtCmd.Flags().StringVarP(&domain, "domain", "d", "djnn.crossbone.cc", "DNS nameserver")
    121 
    122 	rootCmd.AddCommand(getTxtCmd)
    123 
    124 	rootCmd.ExecuteC()
    125 }