Python snippet showing how to enable NTLM authentication for urllib2 (Requires https://code.google.com/p/python-ntlm/)

python-urllib2-enable_ntlm_authentication.py

def enable_ntlm_authentication(user = "", password = "", url = ""):
    print "[+][devalias.net] Enabling NTLM authentication support"
    # Import ntlm library
    try:
        # import ntlm
        from ntlm import HTTPNtlmAuthHandler
        print "[+][devalias.net][NTLM Authentication] NTLM Support Library Loaded!"
    except ImportError:
        print "[-][devalias.net][NTLM Authentication] Program could not find module : ntlm (Is the ntlm library installed/available locally?"
        sys.exit (1)
 
    try:
        from urlparse import urlparse, urlunparse
    except ImportError:
        print "[-][devalias.net][NTLM Authentication] Program could not find module : urlparse"
        sys.exit (1)
 
    if user == "":
        user = raw_input("[+][devalias.net][NTLM Authentication] Enter username (DOMAIN\username): ")
    if password == "":
        password = raw_input("[+][devalias.net][NTLM Authentication] Enter password: ")
 
    parsed_url = urlparse(url)
    base_uri = urlunparse((parsed_url[0],parsed_url[1],"","","",""))
 
    ###################################################
    # BELOW HERE THIS IS WHERE THE MAIN STUFF HAPPENS
    ###################################################
    
    passman = urllib2.HTTPPasswordMgrWithDefaultRealm()
    passman.add_password(None, base_uri, user, password)
    # create the NTLM authentication handler
    auth_NTLM = HTTPNtlmAuthHandler.HTTPNtlmAuthHandler(passman)
 
    # other authentication handlers
    auth_basic = urllib2.HTTPBasicAuthHandler(passman)
    auth_digest = urllib2.HTTPDigestAuthHandler(passman)
 
    # disable proxies (if you want to stay within the corporate network)
    # proxy_handler = urllib2.ProxyHandler({})
    proxy_handler = urllib2.ProxyHandler()
 
    # create and install the opener
    opener = urllib2.build_opener(proxy_handler, auth_NTLM, auth_digest, auth_basic)
    urllib2.install_opener(opener)
    
    ###################################################
    # ABOVE HERE THIS IS WHERE THE MAIN STUFF HAPPENS
    ###################################################
 
    print "[+][devalias.net][NTLM authentication] Credentials enabled for " + user