add finding past wifi connections on windows tutorial

Author: x4nth055

README.md

@@ -61,6 +61,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [How to Create A Fork Bomb in Python](https://thepythoncode.com/article/make-a-fork-bomb-in-python). ([code](ethical-hacking/fork-bomb))
     - [How to Implement 2FA in Python](https://thepythoncode.com/article/implement-2fa-in-python). ([code](ethical-hacking/implement-2fa))
     - [How to Build a Username Search Tool in Python](https://thepythoncode.com/code/social-media-username-finder-in-python). ([code](ethical-hacking/username-finder))
+    - [How to Find Past Wi-Fi Connections on Windows in Python](https://thepythoncode.com/article/find-past-wifi-connections-on-windows-in-python). ([code](ethical-hacking/find-past-wifi-connections-on-windows))
 
 - ### [Machine Learning](https://www.thepythoncode.com/topic/machine-learning)
     - ### [Natural Language Processing](https://www.thepythoncode.com/topic/nlp)

ethical-hacking/find-past-wifi-connections-on-windows/README.md

@@ -0,0 +1 @@
+# [How to Find Past Wi-Fi Connections on Windows in Python](https://thepythoncode.com/article/find-past-wifi-connections-on-windows-in-python)

ethical-hacking/find-past-wifi-connections-on-windows/win_reg.py

@@ -0,0 +1,39 @@
+import winreg  # Import registry module.
+
+def val2addr(val):  # Convert value to address format.
+    addr = ''  # Initialize address.
+    try:
+        for ch in val:  # Loop through value characters.
+            addr += '%02x ' % ch  # Convert each character to hexadecimal.
+        addr = addr.strip(' ').replace(' ', ':')[0:17]  # Format address.
+    except:
+        return "N/A" # Return N/A if error occurs.
+    return addr  # Return formatted address.
+
+
+def printNets():  # Print network information.
+    net = r"SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\Unmanaged"  # Registry key for network info.
+    key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, net)  # Open registry key.
+    print('\n[*] Networks You have Joined:')  # Print header.
+    for i in range(100):  # Loop through possible network keys.
+        try:
+            guid = winreg.EnumKey(key, i)  # Get network key.
+            netKey = winreg.OpenKey(key, guid)  # Open network key.
+            try:
+                n, addr, t = winreg.EnumValue(netKey, 5)  # Get MAC address.
+                n, name, t = winreg.EnumValue(netKey, 4)  # Get network name.
+                if addr:
+                    macAddr = val2addr(addr)  # Convert MAC address.
+                else:
+                    macAddr = 'N/A'
+                netName = str(name)  # Convert network name to string.
+                print(f'[+] {netName} ----> {macAddr}')  # Print network info.
+            except WindowsError:  # Handle errors.
+                pass  # Continue loop.
+            winreg.CloseKey(netKey)  # Close network key.
+        except WindowsError:  # Handle errors.
+            break  # Exit loop.
+    winreg.CloseKey(key)  # Close registry key.
+
+ 
+printNets()  # Call printNets function.