libdroid

a.java

package ctf.stratumauhhur.libdroid;

import android.content.res.AssetManager;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.util.Base64;
import android.view.View;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;

public class a
  extends AppCompatActivity
{
  static String a;
  static String b;
  static String c;
  static String d;
  static Object f;
  static String flag = a(getFlag(), 1);
  static String g;
  String e;

  static
  {
    System.loadLibrary("libdroid");
    a = a(getOperatingSystem(), 1);
    b = a(getPhoneNumber(), 1);
    c = a(installRootkit(), 1);
    d = a(generateConfusion(), 1);
    f = a(obtainWorldDomination(), 1);
    g = a(installiOS(), 1);
  }

  static String a(String paramString, int paramInt)
  {
    Object localObject1 = new Exception().getStackTrace()[paramInt];
    Object localObject2 = new StringBuilder();
    ((StringBuilder)localObject2).append(((StackTraceElement)localObject1).getClassName()).insert(paramInt, ((StackTraceElement)localObject1).getMethodName());
    localObject1 = localObject2.toString();
    localObject2 = new char[paramString.length()];
    int i = 0;
    paramInt = (char)((String)localObject1).length();
    for (;;)
    {
      if (i < paramString.length())
      {
        j = paramString.charAt(i);
        localObject2[i] = ((char)(((String)localObject1).charAt(paramInt - 1) ^ j ^ 0x12));
        i = (char)(i + 1);
        if (i < paramString.length()) {}
      }
      else
      {
        return String.valueOf((char[])localObject2);
      }
      int j = paramString.charAt(i);
      localObject2[i] = ((char)(((String)localObject1).charAt(paramInt - 1) ^ j ^ 0xFA));
      j = (char)(i + 1);
      int k = (char)(paramInt - 1);
      paramInt = k;
      i = j;
      if (k <= 0)
      {
        paramInt = (char)((String)localObject1).length();
        i = j;
      }
    }
  }

  public static native String generateConfusion();

  public static native String getFlag();

  public static native String getOperatingSystem();

  public static native String getPhoneNumber();

  public static native String installRootkit();

  public static native String installiOS();

  public static native String obtainWorldDomination();

  private static native void phoneHome(byte[] paramArrayOfByte1, byte[] paramArrayOfByte2);

  public void a(View paramView)
  {
    if (paramView.getId() == 2131492969) {
      this.e += d.charAt(1);
    }
    if (paramView.getId() == 2131492970) {
      this.e += d.charAt(2);
    }
    if (paramView.getId() == 2131492971) {
      this.e += d.charAt(3);
    }
    if (paramView.getId() == 2131492972) {
      this.e += d.charAt(4);
    }
    if (paramView.getId() == 2131492973) {
      this.e += d.charAt(5);
    }
    if (paramView.getId() == 2131492974) {
      this.e += d.charAt(6);
    }
    if (paramView.getId() == 2131492975) {
      this.e += d.charAt(7);
    }
    if (paramView.getId() == 2131492977) {
      this.e += d.charAt(8);
    }
    if (paramView.getId() == 2131492978) {
      this.e += d.charAt(9);
    }
    if (paramView.getId() == 2131492976) {
      this.e += d.charAt(0);
    }
    String str;
    Object localObject2;
    Object localObject1;
    if ((this.e.length() == 6) || (paramView.getId() == 2131492979))
    {
      str = flag;
      try
      {
        InputStream localInputStream = getAssets().open(g);
        localObject2 = new ByteArrayOutputStream();
        byte[] arrayOfByte = new byte['?'];
        for (;;)
        {
          int i = localInputStream.read(arrayOfByte, 0, arrayOfByte.length);
          if (i == -1) {
            break;
          }
          ((ByteArrayOutputStream)localObject2).write(arrayOfByte, 0, i);
        }
        Snackbar.make(paramView, (CharSequence)localObject1, 0).setAction("Action", null).show();
      }
      catch (Exception localException)
      {
        localException.printStackTrace();
        localObject1 = str;
      }
    }
    for (;;)
    {
      this.e = "";
      return;
      ((ByteArrayOutputStream)localObject2).flush();
      localObject2 = ((ByteArrayOutputStream)localObject2).toByteArray();
      localObject1 = new byte[16];
      System.arraycopy((byte[])f, 0, localObject1, 0, ((byte[])f).length);
      System.arraycopy(this.e.getBytes(), 0, localObject1, 10, this.e.getBytes().length);
      phoneHome((byte[])localObject2, (byte[])localObject1);
      localObject1 = str;
      if (new String((byte[])localObject2).startsWith(c)) {
        localObject1 = new String((byte[])localObject2);
      }
    }
  }

  void a(String paramString)
    throws Exception
  {
    paramString = getAssets().open(paramString);
    Object localObject = new ByteArrayOutputStream();
    byte[] arrayOfByte = new byte['?'];
    for (;;)
    {
      int i = paramString.read(arrayOfByte, 0, arrayOfByte.length);
      if (i == -1) {
        break;
      }
      ((ByteArrayOutputStream)localObject).write(arrayOfByte, 0, i);
    }
    ((ByteArrayOutputStream)localObject).flush();
    paramString = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(a(((ByteArrayOutputStream)localObject).toByteArray(), b))));
    for (;;)
    {
      localObject = paramString.readLine();
      if (localObject == null) {
        break;
      }
      if (((String)localObject).startsWith(g)) {
        g = ((String)localObject).substring(g.length());
      }
      if (((String)localObject).startsWith((String)f)) {
        f = (byte[])Base64.decode(((String)localObject).substring(((String)f).length()), 0);
      }
    }
  }

  byte[] a(byte[] paramArrayOfByte, String paramString)
  {
    byte[] arrayOfByte = new byte[paramArrayOfByte.length];
    for (int i = 0; i < arrayOfByte.length; i = (char)(i + 1)) {
      arrayOfByte[i] = ((byte)(paramArrayOfByte[i] ^ paramString.charAt(i % paramString.length())));
    }
    return arrayOfByte;
  }

  protected void onCreate(Bundle paramBundle)
  {
    super.onCreate(paramBundle);
    setContentView(2130968601);
    try
    {
      a(a);
      this.e = "";
      return;
    }
    catch (Exception paramBundle)
    {
      for (;;) {}
    }
  }
}