73mxQgMV

1package main
2
3import (
4	"github.com/gitchander/permutation"
5	"encoding/hex"
6	"crypto/sha1"
7	"crypto/hmac"
8	"strings"
9	"fmt"
10	"os"
11)
12
13func main() {
14
15	secretKey := "9LXAVCxcITaABNK48pAVgc4muuTNJ4enIKS5YzKyGZ"
16	finalHash := "77cc91113efbcea99ea0d5b5450f3d159694d6a2"
17	params := []string{"bb0b4a65077f7385", "09XXXXXXXX", "m8J9IpbfSBZY3Kc4AYhUMriZrZa1jqZT5EdJp9LJFcv/OAaZagEAAA==", "123456", "ABCD", "1557465220750", "mobile"}
18
19	byteFinalHash, _ := hex.DecodeString(finalHash)
20	prmt := permutation.New(permutation.StringSlice(params))
21
22	fmt.Println("Brute-forcing...")
23	for prmt.Next() {
24		secretMessage := strings.Join(params[:], "|")
25		mac := hmac.New(sha1.New, []byte(secretKey))
26		mac.Write([]byte(secretMessage))
27		digest := mac.Sum(nil)
28		if (hmac.Equal(byteFinalHash, digest)) {
29			fmt.Printf("\nFound a message pattern: %s\nKey: %s\nHash: %s\n", secretMessage, secretKey, hex.EncodeToString(byteFinalHash))
30			os.Exit(0)
31		}
32	}
33	fmt.Println("Sorry, no pattern found")
34
35}