脚本功能
直接hook所有常用加密，打印出加密参数、加密结果和堆栈。
使用流程
1.找到App软件的包名，填入程序中启动
2.找到需要hook的位置运行程序
3.分析打印结果(输出较多，一般直接搜索加密生成的值)
脚本源码
import frida, sys
#doFinal参数打印出来的参数为不可见时可将打印类型替换为bytesToBase64
#打印不出doFinal data参数时将参数替换为toBase64
j1 = """
var N_ENCRYPT_MODE = 1
var N_DECRYPT_MODE = 2
function showStacks() {
var Exception = Java.use("java.lang.Exception");
var ins = Exception.$new("Exception");
var straces = ins.getStackTrace();
if (undefined == straces || null == straces) {
return;
}
console.log("============================= Stack strat=======================");
console.log("");
for (var i = 0; i < straces.length; i++) {
var str = " " + straces[i].toString();
console.log(str);
}
console.log("");
Exception.$dispose();
}
//工具相关函数
var base64EncodeChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
base64DecodeChars = new Array((-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), (-1), 62, (-1), (-1), (-1), 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, (-1), (-1), (-1), (-1), (-1), (-1), (-1), 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, (-1), (-1), (-1), (-1), (-1), (-1), 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, (-1), (-1), (-1), (-1), (-1));
function stringToBase64(e) {
var r, a, c, h, o, t;
for (c = e.length, a = 0, r = ''; a < c;) {
if (h = 255 & e.charCodeAt(a++), a == c) {
r += base64EncodeChars.charAt(h >> 2),
r += base64EncodeChars.charAt((3 & h) << 4),
r += '==';
break
}
if (o = e.charCodeAt(a++), a == c) {
r += base64EncodeChars.charAt(h >> 2),
r += base64EncodeChars.charAt((3 & h) << 4 | (240 & o) >> 4),
r += base64EncodeChars.charAt((15 & o) << 2),
r += '=';
break
}
t = e.charCodeAt(a++),
r += base64EncodeChars.charAt(h >> 2),
r += base64EncodeChars.charAt((3 & h) << 4 | (240 & o) >> 4),
r += base64EncodeChars.charAt((15 & o) << 2 | (192 & t) >> 6),
r += base64EncodeChars.charAt(63 & t)
}
return r
}
function base64ToString(e) {
var r, a, c, h, o, t, d;
for (t = e.length, o = 0, d = ''; o < t;) {
do
r = base64DecodeChars[255 & e.charCodeAt(o++)];
while (o < t && r == -1);
if (r == -1)
break;
do
a = base64DecodeChars[255 & e.charCodeAt(o++)];
while (o < t && a == -1);
if (a == -1)
break;
d += String.fromCharCode(r << 2 | (48 & a) >> 4);
do {
if (c = 255 & e.charCodeAt(o++), 61 == c)
return d;
c = base64DecodeChars[c]
} while (o < t && c == -1);
if (c == -1)
break;
d += String.fromCharCode((15 & a) << 4 | (60 & c) >> 2);
do {
if (h = 255 & e.charCodeAt(o++), 61 == h)
return d;
h = base64DecodeChars[h]
} while (o < t && h == -1);
if (h == -1)
break;
d += String.fromCharCode((3 & c) << 6 | h)
}
return d
}
function hexToBase64(str) {
return base64Encode(String.fromCharCode.apply(null, str.replace(/([\da-fA-F]{2}) ?/g, "0x$1 ").replace(/ +$/, "").split(" ")));
}
function base64ToHex(str) {
for (var i = 0, bin = base64Decode(str), hex = []; i < bin.length; ++i) {
var tmp = bin.charCodeAt(i).toString(16);
if (tmp.length === 1)
tmp = "0" + tmp;
hex[hex.length] = tmp;
}
return hex.join("");
}
function hexToBytes(str) {
var pos = 0;
var len = str.length;
if (len % 2 != 0) {
return null;
}
len /= 2;
var hexA = new Array();
for (var i = 0; i < len; i++) {
var s = str.substr(pos, 2);
var v = parseInt(s, 16);
hexA.push(v);
pos += 2;
}
return hexA;
}
function bytesToHex(arr) {
var str = '';
var k, j;
for (var i = 0; i < arr.length; i++) {
k = arr[i];
j = k;
if (k < 0) {
j = k + 256;
}
if (j < 16) {
str += "0";
}
str += j.toString(16);
}
return str;
}
function stringToHex(str) {
var val = "";
for (var i = 0; i < str.length; i++) {
if (val == "")
val = str.charCodeAt(i).toString(16);
else
val += str.charCodeAt(i).toString(16);
}
return val
}
function stringToBytes(str) {
var ch, st, re = [];
for (var i = 0; i < str.length; i++) {
ch = str.charCodeAt(i);
st = [];
do {
st.push(ch & 0xFF);
ch = ch >> 8;
}
while (ch);
re = re.concat(st.reverse());
}
return re;
}
//将byte[]转成String的方法
function bytesToString(arr) {
var str = '';
arr = new Uint8Array(arr);
for (var i in arr) {
str += String.fromCharCode(arr[i]);
}
return str;
}
function bytesToBase64(e) {
var r, a, c, h, o, t;
for (c = e.length, a = 0, r = ''; a < c;) {
if (h = 255 & e[a++], a == c) {
r += base64EncodeChars.charAt(h >> 2),
r += base64EncodeChars.charAt((3 & h) << 4),
r += '==';
break
}
if (o = e[a++], a == c) {
r += base64EncodeChars.charAt(h >> 2),
r += base64EncodeChars.charAt((3 & h) << 4 | (240 & o) >> 4),
r += base64EncodeChars.charAt((15 & o) << 2),
r += '=';
break
}
t = e[a++],
r += base64EncodeChars.charAt(h >> 2),
r += base64EncodeChars.charAt((3 & h) << 4 | (240 & o) >> 4),
r += base64EncodeChars.charAt((15 & o) << 2 | (192 & t) >> 6),
r += base64EncodeChars.charAt(63 & t)
}
return r
}
function base64ToBytes(e) {
var r, a, c, h, o, t, d;
for (t = e.length, o = 0, d = []; o < t;) {
do
r = base64DecodeChars[255 & e.charCodeAt(o++)];
while (o < t && r == -1);
if (r == -1)
break;
do
a = base64DecodeChars[255 & e.charCodeAt(o++)];
while (o < t && a == -1);
if (a == -1)
break;
d.push(r << 2 | (48 & a) >> 4);
do {
if (c = 255 & e.charCodeAt(o++), 61 == c)
return d;
c = base64DecodeChars[c]
} while (o < t && c == -1);
if (c == -1)
break;
d.push((15 & a) << 4 | (60 & c) >> 2);
do {
if (h = 255 & e.charCodeAt(o++), 61 == h)
return d;
h = base64DecodeChars[h]
} while (o < t && h == -1);
if (h == -1)
break;
d.push((3 & c) << 6 | h)
}
return d
}
//stringToBase64 stringToHex stringToBytes
//base64ToString base64ToHex base64ToBytes
// hexToBase64 hexToBytes
// bytesToBase64 bytesToHex bytesToString
Java.perform(function () {
var secretKeySpec = Java.use('javax.crypto.spec.SecretKeySpec');
secretKeySpec.$init.overload('[B', 'java.lang.String').implementation = function (a, b) {
showStacks();
var result = this.$init(a, b);
console.log("======================================");
console.log("算法名：" + b + "|str密钥:" + bytesToString(a));
console.log("算法名：" + b + "|Hex密钥:" + bytesToHex(a));
return result;
}
var DESKeySpec = Java.use('javax.crypto.spec.DESKeySpec');
DESKeySpec.$init.overload('[B').implementation = function (a) {
showStacks();
var result = this.$init(a);
console.log("======================================");
var bytes_key_des = this.getKey();
console.log("des密钥 |str " + bytesToString(bytes_key_des));
console.log("des密钥 |hex " + bytesToHex(bytes_key_des));
return result;
}
DESKeySpec.$init.overload('[B', 'int').implementation = function (a, b) {
showStacks();
var result = this.$init(a, b);
console.log("======================================");
var bytes_key_des = this.getKey();
console.log("des密钥 |str " + bytesToString(bytes_key_des));
console.log("des密钥 |hex " + bytesToHex(bytes_key_des));
return result;
}
var mac = Java.use('javax.crypto.Mac');
mac.getInstance.overload('java.lang.String').implementation = function (a) {
showStacks();
var result = this.getInstance(a);
console.log("======================================");
console.log("算法名：" + a);
return result;
}
mac.update.overload('[B').implementation = function (a) {
//showStacks();
this.update(a);
console.log("======================================");
console.log("update:" + bytesToString(a))
}
mac.update.overload('[B', 'int', 'int').implementation = function (a, b, c) {
//showStacks();
this.update(a, b, c)
console.log("======================================");
console.log("update:" + bytesToString(a) + "|" + b + "|" + c);
}
mac.doFinal.overload().implementation = function () {
//showStacks();
var result = this.doFinal();
console.log("======================================");
console.log("doFinal结果: |str :" + bytesToString(result));
console.log("doFinal结果: |hex :" + bytesToHex(result));
console.log("doFinal结果: |base64 :" + bytesToBase64(result));
return result;
}
mac.doFinal.overload('[B').implementation = function (a) {
//showStacks();
var result = this.doFinal(a);
console.log("======================================");
console.log("doFinal参数: |str :" + bytesToString(a));
console.log("doFinal结果: |str :" + bytesToString(result));
console.log("doFinal结果: |hex :" + bytesToHex(result));
console.log("doFinal结果: |base64 :" + bytesToBase64(result));
return result;
}
var md = Java.use('java.security.MessageDigest');
md.getInstance.overload('java.lang.String', 'java.lang.String').implementation = function (a, b) {
//showStacks();
console.log("======================================");
console.log("算法名：" + a);
return this.getInstance(a, b);
}
md.getInstance.overload('java.lang.String').implementation = function (a) {
//showStacks();
console.log("======================================");
console.log("算法名：" + a);
return this.getInstance(a);
}
md.update.overload('[B').implementation = function (a) {
//showStacks();
console.log("======================================");
console.log("update:" + bytesToString(a))
return this.update(a);
}
md.update.overload('[B', 'int', 'int').implementation = function (a, b, c) {
//showStacks();
console.log("======================================");
console.log("update:" + bytesToString(a) + "|" + b + "|" + c);
return this.update(a, b, c);
}
md.digest.overload().implementation = function () {
//showStacks();
console.log("======================================");
var result = this.digest();
console.log("digest结果:" + bytesToHex(result));
console.log("digest结果:" + bytesToBase64(result));
return result;
}
md.digest.overload('[B').implementation = function (a) {
//showStacks();
console.log("======================================");
console.log("digest参数:" + bytesToString(a));
var result = this.digest(a);
console.log("digest结果:" + bytesToHex(result));
console.log("digest结果:" + bytesToBase64(result));
return result;
}
var ivParameterSpec = Java.use('javax.crypto.spec.IvParameterSpec');
ivParameterSpec.$init.overload('[B').implementation = function (a) {
//showStacks();
var result = this.$init(a);
console.log("======================================");
console.log("iv向量: |str:" + bytesToString(a));
console.log("iv向量: |hex:" + bytesToHex(a));
return result;
}
var cipher = Java.use('javax.crypto.Cipher');
cipher.getInstance.overload('java.lang.String').implementation = function (a) {
//showStacks();
var result = this.getInstance(a);
console.log("======================================");
console.log("模式填充:" + a);
return result;
}
cipher.init.overload('int', 'java.security.Key').implementation = function (a, b) {
//showStacks();
var result = this.init(a, b);
console.log("======================================");
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
var bytes_key = b.getEncoded();
console.log("init key:" + "|str密钥:" + bytesToString(bytes_key));
console.log("init key:" + "|Hex密钥:" + bytesToHex(bytes_key));
return result;
}
cipher.init.overload('int', 'java.security.cert.Certificate').implementation = function (a, b) {
//showStacks();
var result = this.init(a, b);
console.log("======================================");
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
return result;
}
cipher.init.overload('int', 'java.security.Key', 'java.security.spec.AlgorithmParameterSpec').implementation = function (a, b, c) {
//showStacks();
var result = this.init(a, b, c);
console.log("======================================");
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
var bytes_key = b.getEncoded();
console.log("init key:" + "|str密钥:" + bytesToString(bytes_key));
console.log("init key:" + "|Hex密钥:" + bytesToHex(bytes_key));
return result;
}
cipher.init.overload('int', 'java.security.cert.Certificate', 'java.security.SecureRandom').implementation = function (a, b, c) {
//showStacks();
var result = this.init(a, b, c);
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
return result;
}
cipher.init.overload('int', 'java.security.Key', 'java.security.SecureRandom').implementation = function (a, b, c) {
//showStacks();
var result = this.init(a, b, c);
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
var bytes_key = b.getEncoded();
console.log("init key:" + "|str密钥:" + bytesToString(bytes_key));
console.log("init key:" + "|Hex密钥:" + bytesToHex(bytes_key));
return result;
}
cipher.init.overload('int', 'java.security.Key', 'java.security.AlgorithmParameters').implementation = function (a, b, c) {
//showStacks();
var result = this.init(a, b, c);
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
var bytes_key = b.getEncoded();
console.log("init key:" + "|str密钥:" + bytesToString(bytes_key));
console.log("init key:" + "|Hex密钥:" + bytesToHex(bytes_key));
return result;
}
cipher.init.overload('int', 'java.security.Key', 'java.security.AlgorithmParameters', 'java.security.SecureRandom').implementation = function (a, b, c, d) {
//showStacks();
var result = this.init(a, b, c, d);
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
var bytes_key = b.getEncoded();
console.log("init key:" + "|str密钥:" + bytesToString(bytes_key));
console.log("init key:" + "|Hex密钥:" + bytesToHex(bytes_key));
return result;
}
cipher.init.overload('int', 'java.security.Key', 'java.security.spec.AlgorithmParameterSpec', 'java.security.SecureRandom').implementation = function (a, b, c, d) {
//showStacks();
var result = this.update(a, b, c, d);
if (N_ENCRYPT_MODE == a)
{
console.log("init | 加密模式");
}
else if(N_DECRYPT_MODE == a)
{
console.log("init | 解密模式");
}
var bytes_key = b.getEncoded();
console.log("init key:" + "|str密钥:" + bytesToString(bytes_key));
console.log("init key:" + "|Hex密钥:" + bytesToHex(bytes_key));
return result;
}
cipher.update.overload('[B').implementation = function (a) {
//showStacks();
var result = this.update(a);
console.log("======================================");
console.log("update:" + bytesToString(a));
return result;
}
cipher.update.overload('[B', 'int', 'int').implementation = function (a, b, c) {
//showStacks();
var result = this.update(a, b, c);
console.log("======================================");
console.log("update:" + bytesToString(a) + "|" + b + "|" + c);
return result;
}
cipher.doFinal.overload().implementation = function () {
//showStacks();
var result = this.doFinal();
console.log("======================================");
console.log("doFinal结果: |str :" + bytesToString(result));
console.log("doFinal结果: |hex :" + bytesToHex(result));
console.log("doFinal结果: |base64 :" + bytesToBase64(result));
return result;
}
cipher.doFinal.overload('[B').implementation = function (a) {
//showStacks();
var result = this.doFinal(a);
console.log("======================================");
console.log("doFinal参数: |str :" + bytesToBase64(a));
console.log("doFinal结果: |str :" + bytesToString(result));
console.log("doFinal结果: |hex :" + bytesToHex(result));
console.log("doFinal结果: |base64 :" + bytesToBase64(result));
return result;
}
var x509EncodedKeySpec = Java.use('java.security.spec.X509EncodedKeySpec');
x509EncodedKeySpec.$init.overload('[B').implementation = function (a) {
//showStacks();
var result = this.$init(a);
console.log("======================================");
console.log("RSA密钥:" + bytesToBase64(a));
return result;
}
var rSAPublicKeySpec = Java.use('java.security.spec.RSAPublicKeySpec');
rSAPublicKeySpec.$init.overload('java.math.BigInteger', 'java.math.BigInteger').implementation = function (a, b) {
//showStacks();
var result = this.$init(a, b);
console.log("======================================");
//console.log("RSA密钥:" + bytesToBase64(a));
console.log("RSA密钥N:" + a.toString(16));
console.log("RSA密钥E:" + b.toString(16));
return result;
}
var KeyPairGenerator = Java.use('java.security.KeyPairGenerator');
KeyPairGenerator.generateKeyPair.implementation = function ()
{
//showStacks();
var result = this.generateKeyPair();
console.log("======================================");
var str_private = result.getPrivate().getEncoded();
var str_public = result.getPublic().getEncoded();
console.log("公钥 |hex" + bytesToHex(str_public));
console.log("私钥 |hex" + bytesToHex(str_private));
return result;
}
KeyPairGenerator.genKeyPair.implementation = function ()
{
//showStacks();
var result = this.genKeyPair();
console.log("======================================");
var str_private = result.getPrivate().getEncoded();
var str_public = result.getPublic().getEncoded();
console.log("公钥 |hex" + bytesToHex(str_public));
console.log("私钥 |hex" + bytesToHex(str_private));
return result;
}
});
"""
# 小肩膀大佬通杀
j2 = """
//打印堆栈
function showStacks() {
console.log(
Java.use("android.util.Log")
.getStackTraceString(
Java.use("java.lang.Throwable").$new()
)
);
}
var ByteString = Java.use("com.android.okhttp.okio.ByteString");
//输出base64格式数据
function toBase64(tag, data) {
console.log(tag + " Base64: ", ByteString.of(data).base64());
}
//输出hex格式数据
function toHex(tag, data) {
console.log(tag + " Hex: ", ByteString.of(data).hex());
}
//输出10格式数据
function toUtf8(tag, data) {
console.log(tag + " Utf8: ", ByteString.of(data).utf8());
}
var messageDigest = Java.use("java.security.MessageDigest");
messageDigest.update.overload('byte').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("MessageDigest.update('byte') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
messageDigest.update.overload('java.nio.ByteBuffer').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("MessageDigest.update('java.nio.ByteBuffer') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
messageDigest.update.overload('[B').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("MessageDigest.update('[B') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " update data";
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
messageDigest.update.overload('[B', 'int', 'int').implementation = function (data, start, length) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("MessageDigest.update('[B', 'int', 'int') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " update data";
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
console.log("start:", start);
console.log("length:", length);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data, start, length);
}
messageDigest.digest.overload().implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("MessageDigest.digest() is called!");
var result = this.digest();
var algorithm = this.getAlgorithm();
var tag = algorithm + " digest result";
toHex(tag, result);
toBase64(tag, result);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return result;
}
messageDigest.digest.overload('[B').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("MessageDigest.digest('[B') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " digest data";
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
var result = this.digest(data);
var tags = algorithm + " digest result";
toHex(tags, result);
toBase64(tags, result);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return result;
}
messageDigest.digest.overload('[B', 'int', 'int').implementation = function (data, start, length) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("MessageDigest.digest('[B', 'int', 'int') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " digest data";
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
var result = this.digest(data, start, length);
var tags = algorithm + " digest result";
toHex(tags, result);
toBase64(tags, result);
console.log("start:", start);
console.log("length:", length);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return result;
}
var mac = Java.use("javax.crypto.Mac");
mac.init.overload('java.security.Key', 'java.security.spec.AlgorithmParameterSpec').implementation = function (key, AlgorithmParameterSpec) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Mac.init('java.security.Key', 'java.security.spec.AlgorithmParameterSpec') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init(key, AlgorithmParameterSpec);
}
mac.init.overload('java.security.Key').implementation = function (key) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Mac.init('java.security.Key') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " init Key";
var keyBytes = key.getEncoded();
toUtf8(tag, keyBytes);
toHex(tag, keyBytes);
toBase64(tag, keyBytes);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init(key);
}
mac.update.overload('byte').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Mac.update('byte') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
mac.update.overload('java.nio.ByteBuffer').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Mac.update('java.nio.ByteBuffer') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
mac.update.overload('[B').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Mac.update('[B') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " update data";
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
mac.update.overload('[B', 'int', 'int').implementation = function (data, start, length) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Mac.update('[B', 'int', 'int') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " update data";
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
console.log("start:", start);
console.log("length:", length);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data, start, length);
}
mac.doFinal.overload().implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Mac.doFinal() is called!");
var result = this.doFinal();
var algorithm = this.getAlgorithm();
var tag = algorithm + " doFinal result";
toHex(tag, result);
toBase64(tag, result);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return result;
}
// DES/DESede/AES/RSA
var cipher = Java.use("javax.crypto.Cipher");
cipher.init.overload('int', 'java.security.cert.Certificate').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.cert.Certificate') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.init.overload('int', 'java.security.Key', 'java.security.SecureRandom').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.Key', 'java.security.SecureRandom') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.init.overload('int', 'java.security.cert.Certificate', 'java.security.SecureRandom').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.cert.Certificate', 'java.security.SecureRandom') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.init.overload('int', 'java.security.Key', 'java.security.AlgorithmParameters', 'java.security.SecureRandom').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.Key', 'java.security.AlgorithmParameters', 'java.security.SecureRandom') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.init.overload('int', 'java.security.Key', 'java.security.spec.AlgorithmParameterSpec', 'java.security.SecureRandom').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.Key', 'java.security.spec.AlgorithmParameterSpec', 'java.security.SecureRandom') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.init.overload('int', 'java.security.Key', 'java.security.AlgorithmParameters').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.Key', 'java.security.AlgorithmParameters') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.init.overload('int', 'java.security.Key').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.Key') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " init Key";
var className = JSON.stringify(arguments[1]);
if (className.indexOf("OpenSSLRSAPrivateKey") === -1) {
var keyBytes = arguments[1].getEncoded();
toUtf8(tag, keyBytes);
toHex(tag, keyBytes);
toBase64(tag, keyBytes);
}
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.init.overload('int', 'java.security.Key', 'java.security.spec.AlgorithmParameterSpec').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.init('int', 'java.security.Key', 'java.security.spec.AlgorithmParameterSpec') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " init Key";
var keyBytes = arguments[1].getEncoded();
toUtf8(tag, keyBytes);
toHex(tag, keyBytes);
toBase64(tag, keyBytes);
var tags = algorithm + " init iv";
var iv = Java.cast(arguments[2], Java.use("javax.crypto.spec.IvParameterSpec"));
var ivBytes = iv.getIV();
toUtf8(tags, ivBytes);
toHex(tags, ivBytes);
toBase64(tags, ivBytes);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.init.apply(this, arguments);
}
cipher.doFinal.overload('java.nio.ByteBuffer', 'java.nio.ByteBuffer').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.doFinal('java.nio.ByteBuffer', 'java.nio.ByteBuffer') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.doFinal.apply(this, arguments);
}
cipher.doFinal.overload('[B', 'int').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.doFinal('[B', 'int') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.doFinal.apply(this, arguments);
}
cipher.doFinal.overload('[B', 'int', 'int', '[B').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.doFinal('[B', 'int', 'int', '[B') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.doFinal.apply(this, arguments);
}
cipher.doFinal.overload('[B', 'int', 'int', '[B', 'int').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.doFinal('[B', 'int', 'int', '[B', 'int') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.doFinal.apply(this, arguments);
}
cipher.doFinal.overload().implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.doFinal() is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.doFinal.apply(this, arguments);
}
cipher.doFinal.overload('[B').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.doFinal('[B') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " doFinal data";
var data = arguments[0];
//修改一次
toBase64(tag, data);
toHex(tag, data);
toBase64(tag, data);
var result = this.doFinal.apply(this, arguments);
var tags = algorithm + " doFinal result";
toHex(tags, result);
toBase64(tags, result);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return result;
}
cipher.doFinal.overload('[B', 'int', 'int').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Cipher.doFinal('[B', 'int', 'int') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " doFinal data";
var data = arguments[0];
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
var result = this.doFinal.apply(this, arguments);
var tags = algorithm + " doFinal result";
toHex(tags, result);
toBase64(tags, result);
console.log("arguments[1]:", arguments[1],);
console.log("arguments[2]:", arguments[2]);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return result;
}
//签名算法
var signature = Java.use("java.security.Signature");
signature.update.overload('byte').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Signature.update('byte') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
signature.update.overload('java.nio.ByteBuffer').implementation = function (data) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Signature.update('java.nio.ByteBuffer') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data);
}
signature.update.overload('[B', 'int', 'int').implementation = function (data, start, length) {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Signature.update('[B', 'int', 'int') is called!");
var algorithm = this.getAlgorithm();
var tag = algorithm + " update data";
toUtf8(tag, data);
toHex(tag, data);
toBase64(tag, data);
console.log("start:", start);
console.log("length:", length);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.update(data, start, length);
}
signature.sign.overload('[B', 'int', 'int').implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Signature.sign('[B', 'int', 'int') is called!");
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return this.sign.apply(this, arguments);
}
signature.sign.overload().implementation = function () {
console.log("↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓");
console.log("Signature.sign() is called!");
var result = this.sign();
var algorithm = this.getAlgorithm();
var tag = algorithm + " sign result";
toHex(tag, result);
toBase64(tag, result);
showStacks();
console.log("↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑");
return result;
}
"""
def on_message(message, data):
if message['type'] == 'send':
print("[*]{0}".format(message['payload']))
else:
print(message)
# 脚本控制app自动启动
pid = frida.get_remote_device().spawn('这里写应用包名')
process = frida.get_remote_device().attach(pid)
frida.get_remote_device().resume(pid)
#可选择j1或者j2算法，使用起来功能一样，看哪个用的更顺手
script = process.create_script(j2)
script.on('message', on_message)
script.load()
# 不让程序断掉
sys.stdin.read()
参考链接：
原生安卓开发app的框架frida自吐算法开发：https://blog.51cto.com/u_13389043/6230053
frida hook java原生算法同时打印调用堆栈：https://blog.youkuaiyun.com/weixin_34365417/article/details/93088342
frida java层加密通杀算法 自吐脚本算法：https://blog.youkuaiyun.com/rni88/article/details/134364285
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