diff --git a/enumerate.py b/enumerate.py
new file mode 100644
index 0000000..1b0f1ae
--- /dev/null
+++ b/enumerate.py
@@ -0,0 +1,24 @@
+from winreg import *
+from contextlib import suppress
+import itertools
+
+def subkeys(path, hkey=HKEY_CLASSES_ROOT, flags=0):
+    with suppress(WindowsError), OpenKey(hkey, path, 0, KEY_READ|flags) as k:
+        for i in itertools.count():
+            yield EnumKey(k, i)
+
+def subvalues(path, hkey=HKEY_CLASSES_ROOT, flags=0):
+    with suppress(WindowsError), OpenKey(hkey, path, 0, KEY_READ|flags) as k:
+        for i in itertools.count():
+            yield EnumValue(k, i)
+
+for entry in subkeys(""):
+    if "shell" not in list(subkeys(entry)):
+        continue
+
+    with suppress(WindowsError):
+        key = OpenKey(HKEY_CLASSES_ROOT, f"{entry}\\shell\\open\\command")
+        command = EnumValue(key, 0)[1]
+        protocolEnabled = "URL Protocol" in (x[0] for x in subvalues(entry))
+        if protocolEnabled:
+            print(f"{entry:38} : {command}")
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