win10使用Frida如何检测安卓App中是否存在运行其它可执行程序风险,详细教程
时间: 2024-03-17 12:43:52 浏览: 219
下面是使用Frida检测安卓App中是否存在运行其他可执行程序的风险的详细教程:
1. 安装Frida
在PC上安装Frida,可以使用pip命令进行安装:
```
pip install frida
```
2. 安装Frida Server
在安卓设备上安装Frida Server,可以从Frida官网下载对应的Frida Server,然后使用adb命令将Frida Server安装到设备上:
```
adb push frida-server /data/local/tmp/
```
然后使用adb命令启动Frida Server:
```
adb shell "chmod 755 /data/local/tmp/frida-server"
adb shell "/data/local/tmp/frida-server &"
```
3. 编写脚本
使用Frida的Python API编写一个脚本,用于检测安卓App中是否存在运行其他可执行程序的风险。下面是一个简单的示例脚本:
```
import frida
import re
# 定义要检测的App名称
app_name = "com.example.app"
# 定义要检测的进程名称
process_name = "com.example.app:process_name"
# 定义要检测的可执行程序名称
executable_name = "executable_name"
# 函数:打印进程信息
def on_message(message, data):
if message['type'] == 'send':
print(message['payload'])
# 连接到Frida Server
device = frida.get_usb_device()
session = device.attach(app_name)
# 加载JavaScript脚本
with open("script.js", "r") as f:
script_code = f.read()
script = session.create_script(script_code)
script.on('message', on_message)
script.load()
# 向JavaScript脚本发送数据
script.post({'process_name': process_name, 'executable_name': executable_name})
# 等待JavaScript脚本执行完毕
input()
```
4. 编写JavaScript脚本
在同一目录下创建一个名为`script.js`的文件,编写JavaScript脚本。下面是一个简单的示例脚本:
```
Java.perform(function() {
var process_name = "";
var executable_name = "";
var Pattern = Java.use("java.util.regex.Pattern");
var Matcher = Java.use("java.util.regex.Matcher");
var Pattern.compile.overload('java.lang.String').implementation = function(pattern) {
var regex = pattern;
if (pattern == ".*") {
regex = "^.*$";
}
return this.compile(regex);
};
var ProcessManager = Java.use("android.os.ProcessManager");
ProcessManager.getRunningAppProcesses.implementation = function() {
var appProcesses = this.getRunningAppProcesses();
var newAppProcesses = [];
for (var i = 0; i < appProcesses.size(); i++) {
var appProcess = appProcesses.get(i);
var processName = appProcess.processName.value;
var pid = appProcess.pid.value;
if (processName == process_name) {
var cmdlineFile = "/proc/" + pid + "/cmdline";
var cmdline = "";
try {
var FileInputStream = Java.use("java.io.FileInputStream");
var FileChannel = Java.use("java.nio.channels.FileChannel");
var ByteBuffer = Java.use("java.nio.ByteBuffer");
var fileInputStream = FileInputStream.$new(cmdlineFile);
var channel = fileInputStream.getChannel();
var buffer = ByteBuffer.allocate(1024);
while (channel.read(buffer) != -1) {
buffer.flip();
while (buffer.hasRemaining()) {
var b = buffer.get();
if (b == 0x00) {
break;
}
cmdline += String.fromCharCode(b);
}
buffer.clear();
}
channel.close();
fileInputStream.close();
} catch (e) {
cmdline = "";
}
var pattern = Pattern.compile(executable_name, Pattern.CASE_INSENSITIVE);
var matcher = pattern.matcher(cmdline);
if (matcher.find()) {
newAppProcesses.push(appProcess);
}
}
}
return Java.array('android.app.ActivityManager$RunningAppProcessInfo', newAppProcesses);
};
});
rpc.exports = {
check_executable: function(data, reply) {
process_name = data.process_name;
executable_name = data.executable_name;
}
};
```
该脚本的功能是获取指定进程中所有正在运行的进程的信息,并使用正则表达式判断是否存在运行其他可执行程序的风险。该脚本还通过Frida的RPC机制,提供了一个函数`check_executable`,用于接收Python脚本发送的数据。
5. 运行脚本
在命令行中运行Python脚本:
```
python script.py
```
然后在脚本运行时输入任意字符,等待JavaScript脚本执行完毕即可。
需要注意的是,该示例脚本只是一个简单的演示,实际使用时需要根据具体的情况进行修改和完善。同时,使用Frida进行安卓应用程序的检测需要有一定的编程基础和安卓系统的知识,如果您不确定如何操作,建议先学习相关知识再进行操作。
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