Wrap filepath.Match into a custom package for windows specific code.

implant/sliver/handlers/handlers.go

@@ -37,6 +37,7 @@ import (
 	"log"
 	// {{end}}
 
+	"github.com/bishopfox/sliver/implant/sliver/handlers/matcher"
 	"github.com/bishopfox/sliver/implant/sliver/transports"
 	"github.com/bishopfox/sliver/protobuf/commonpb"
 	"github.com/bishopfox/sliver/protobuf/sliverpb"
@@ -177,7 +178,7 @@ func dirListHandler(data []byte, resp RPCResponse) {
 		if filter == "" {
 			match = true
 		} else {
-			match, err = filepath.Match(filter, dirEntry.Name())
+			match, err = matcher.Match(filter, dirEntry.Name())
 			if err != nil {
 				// Then this is a bad filter, and it will be a bad filter
 				// on every iteration of the loop, so we might as well break now

implant/sliver/handlers/matcher/matcher.go

@@ -0,0 +1,10 @@
+//go:build !windows
+
+package matcher
+
+import "path/filepath"
+
+// PathMatch - Match a path against a pattern, generic implementation
+func Match(pattern string, s string) (bool, error) {
+	return filepath.Match(pattern, s)
+}

implant/sliver/handlers/matcher/matcher_windows.go

@@ -0,0 +1,11 @@
+package matcher
+
+import (
+	"path/filepath"
+	"strings"
+)
+
+// Match - Windows specific implementation: disregard the case
+func Match(pattern string, s string) (bool, error) {
+	return filepath.Match(strings.ToLower(pattern), strings.ToLower(s))
+}