diff --git a/reg.sh b/reg.sh
new file mode 100755
index 0000000..cf3aa8c
--- /dev/null
+++ b/reg.sh
@@ -0,0 +1,17 @@
+to_hex () {
+    echo $1 | while read -n 1 char; do
+        echo -n $char | xxd -p | tr \\n ","
+    done
+    echo -n "00"
+}
+
+base0="1001"
+base1="00"
+servername=$1
+region="1"
+url=$2
+
+echo "REGEDIT4
+
+[HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III]
+\"Battle.net Gateways\"=hex(7):$(to_hex $base0),$(to_hex $base1),$(to_hex $servername),$(to_hex $region),$(to_hex $url),00"