feat: got PE injection working

sparse-windows-beacon/Cargo.toml

@@ -3,6 +3,8 @@ name = "sparse-windows-beacon"
 edition = "2024"
 version.workspace = true
 
+[lib]
 crate-type = ["cdylib"]
 
 [dependencies]
+windows = { version = "0.59.0", features = ["Win32_System_SystemServices", "Win32_UI_WindowsAndMessaging"] }

sparse-windows-beacon/src/lib.rs

@@ -0,0 +1,32 @@
+#[unsafe(no_mangle)]
+pub extern "C" fn compute_hash() {}
+
+use windows::{
+    core::*,
+    Win32::{System::SystemServices::DLL_PROCESS_ATTACH, UI::WindowsAndMessaging::*},
+};
+
+#[unsafe(no_mangle)]
+pub extern "system" fn DllMain(_: usize, dw_reason: u32, _: usize) -> i32 {
+    if dw_reason == DLL_PROCESS_ATTACH {
+        std::thread::spawn(|| unsafe {
+            MessageBoxW(None, w!("Hi"), w!("There"), MB_OK);
+        });
+    }
+    1
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn md4sum() {}
+#[unsafe(no_mangle)]
+pub extern "C" fn md5sum() {}
+#[unsafe(no_mangle)]
+pub extern "C" fn sha256sum() {}
+#[unsafe(no_mangle)]
+pub extern "C" fn sha384sum() {}
+#[unsafe(no_mangle)]
+pub extern "C" fn sha512sum() {}
+#[unsafe(no_mangle)]
+pub extern "C" fn sha1sum() {}
+#[unsafe(no_mangle)]
+pub extern "C" fn sha2sum() {}

sparse-windows-beacon/src/main.rs

@@ -1 +0,0 @@
-fn main() {}