import logging import telnetlib import timeclass TelnetClient():def __init__(self,):self.tn = telnetlib.Telnet()# 此函數實現telnet登錄主機def login_host(self,host_ip,username,password):try:# self.tn = telnetlib.Telnet(host_ip,port=23)self.tn.open(host_ip,port=23)except:logging.warning('%s網絡連接失敗'%host_ip)return False# 等待login出現后輸入用戶名，最多等待10秒self.tn.read_until(b'login: ',timeout=10)self.tn.write(username.encode('ascii') + b'\n')# 等待Password出現后輸入用戶名，最多等待10秒self.tn.read_until(b'Password: ',timeout=10)self.tn.write(password.encode('ascii') + b'\n')# 延時兩秒再收取返回結果，給服務端足夠響應時間time.sleep(2)# 獲取登錄結果# read_very_eager()獲取到的是的是上次獲取之后本次獲取之前的所有輸出command_result = self.tn.read_very_eager().decode('ascii')if 'Login incorrect' not in command_result:logging.warning('%s登錄成功'%host_ip)return Trueelse:logging.warning('%s登錄失敗，用戶名或密碼錯誤'%host_ip)return False# 此函數實現執行傳過來的命令，并輸出其執行結果def execute_some_command(self,command):# 執行命令self.tn.write(command.encode('ascii')+b'\n')time.sleep(2)# 獲取命令結果command_result = self.tn.read_very_eager().decode('ascii')logging.warning('命令執行結果：\n%s' % command_result)# 退出telnetdef logout_host(self):self.tn.write(b"exit\n")def StartCheckWeak(): host_ip = '192.168.32.171' username = 'root' password = 'abcd1234' command = 'whoami' telnet_client = TelnetClient() # 如果登錄結果返加True，則執行命令，然后退出 if telnet_client.login_host(host_ip,username,password): telnet_client.execute_some_command(command) telnet_client.execute_some_command("cd /bin && ls") telnet_client.execute_some_command("uname -a") telnet_client.logout_host() if __name__ == '__main__': threads = [] for i in range(0, 10): t = threading.Thread(target=StartCheckWeak) t.setDaemon(True) threads.append(t) t.start() for i in range(0, len(threads)): threads[i].join() """ host_ip = '192.168.32.171' username = 'root' password = 'abcd1234' command = 'whoami' telnet_client = TelnetClient() # 如果登錄結果返加True，則執行命令，然后退出 if telnet_client.login_host(host_ip,username,password): telnet_client.execute_some_command(command) telnet_client.execute_some_command("cd /bin && ls") telnet_client.execute_some_command("uname -a") telnet_client.logout_host() """ """ if __name__ == '__main__':host_ip = '192.168.220.129'username = 'root'password = 'abcd1234'command = 'whoami'telnet_client = TelnetClient()# 如果登錄結果返加True，則執行命令，然后退出if telnet_client.login_host(host_ip,username,password):telnet_client.execute_some_command(command)telnet_client.logout_host() """

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