Get saved wifi passwords on your computer in systematic way

#Get saved wifi passwords on your computer in systematic way # Import subprocess so we can use system commands. import subprocess # Import the re module so we can make use of regular expressions. import re # Python allows us to run system commands using the function # provided by the subprocess module; # (subprocess.run(, )). # # To save the contents that get sent to the standard output stream # (the terminal), we must first specify that we want to capture the output. # To do this we specify the second argument as capture_output = True. # This information gets stored in the stdout attribute as bytes and # needs to be decoded before being used as a String in Python. command_output = subprocess.run(["netsh", "wlan", "show", "profiles"], capture_output = True).stdout.decode() # We imported the re module to make use of regular expressions. # We want to find all the wifi names which are listed after # "ALL User Profile :". Using regular expressions we can create # a group of all characters until the return escape sequence (\r) appears. profile_names = (re.findall("All User Profile : (.*)\r", command_output)) # We create an empty list outside of the loop where dictionaries # containing all the wifi usernames and passwords will be saved. wifi_list = [] # If any profile names are not found this means that wifi connections # have also not been found. So we run this part to check the # details of the wifi and see whether we can get their passwords. if len(profile_names) != 0: for name in profile_names: # Every wifi connection will need its own dictionary which # will be appended to the variable wifi_list. wifi_profile = {} # We can now run a more specific command to see the information # about the wifi connection and if the Security key # is not absent it may be possible to get the password. profile_info = subprocess.run(["netsh", "wlan", "show", "profile", name], capture_output = True).stdout.decode() # We use the regular expression to only look for the absent cases so we can ignore them. if re.search("Security key : Absent", profile_info): continue else: # Assign the ssid of the wifi profile to the dictionary. wifi_profile["ssid"] = name # These cases aren't absent and we should run the # "key=clear" command part to get the password. profile_info_pass = subprocess.run(["netsh", "wlan", "show", "profile", name, "key=clear"], capture_output = True).stdout.decode() # Again run the regular expression to capture the # group after the : (which is the password). password = re.search("Key Content : (.*)\r", profile_info_pass) # Check if we found a password using the regular expression. # Some wifi connections may not have passwords. if password == None: wifi_profile["password"] = None else: # We assign the grouping (where the password is contained) that # we are interested in to the password key in the dictionary. wifi_profile["password"] = password[1] # We append the wifi information to the variable wifi_list. wifi_list.append(wifi_profile) for x in range(len(wifi_list)): print(wifi_list[x])