From c6faf2b13d1bee02da04f0dc5d5f1761e4482d45 Mon Sep 17 00:00:00 2001
From: b1tg <b1tg@users.noreply.github.com>
Date: Sat, 6 Feb 2021 23:19:13 +0800
Subject: [PATCH] make stack alignment more compatible

---
 shellcode/src/main.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shellcode/src/main.rs b/shellcode/src/main.rs
index e33b4ca..79d047b 100644
--- a/shellcode/src/main.rs
+++ b/shellcode/src/main.rs
@@ -41,7 +41,7 @@ pub extern "C" fn main() -> ! {
     let LoadLibraryA: LoadLibraryAFn = unsafe { core::mem::transmute(load_library_ptr) };
 
     // make stack align
-    unsafe { asm!("push rax") };
+    unsafe { asm!("and rsp, ~0xf") };
     let u32_dll = LoadLibraryA(USER32_DLL.as_ptr() as *const i8);
     let GetProcAddress: GetProcAddressFn = unsafe { core::mem::transmute(get_proc) };
     let message_box_ptr = GetProcAddress(u32_dll, MessageBoxA_.as_ptr() as *const i8);