More clear specification of Python version

Author: msutovsky-r7

lib/msf/core/payload/adapter/fetch.rb

@@ -210,7 +210,7 @@ def _execute_win(get_file_cmd)
 
   def _execute_nix(get_file_cmd)
     return _generate_fileless(get_file_cmd) if datastore['FETCH_FILELESS'] == 'bash'
-    return _generate_fileless_python(get_file_cmd) if datastore['FETCH_FILELESS'] == 'python3.8'
+    return _generate_fileless_python(get_file_cmd) if datastore['FETCH_FILELESS'] == 'python3.8+'
 
 
     cmds = get_file_cmd

lib/msf/core/payload/adapter/fetch/linux_options.rb

@@ -4,7 +4,7 @@ def initialize(info = {})
     register_options(
       [
         Msf::OptEnum.new('FETCH_COMMAND', [true, 'Command to fetch payload', 'CURL', %w[CURL FTP TFTP TNFTP WGET]]),
-        Msf::OptEnum.new('FETCH_FILELESS', [true, 'Attempt to run payload without touching disk by using anonymous handles, requires Linux ≥3.17 (for Python variant also Python ≥3.8','none', ['none','bash','python3.8']]),
+        Msf::OptEnum.new('FETCH_FILELESS', [true, 'Attempt to run payload without touching disk by using anonymous handles, requires Linux ≥3.17 (for Python variant also Python ≥3.8','none', ['none','bash','python3.8+']]),
         Msf::OptString.new('FETCH_FILENAME', [ false, 'Name to use on remote system when storing payload; cannot contain spaces or slashes', Rex::Text.rand_text_alpha(rand(8..12))], regex: %r{^[^\s/\\]*$}, conditions: ['FETCH_FILELESS', '==', 'false']),
         Msf::OptString.new('FETCH_WRITABLE_DIR', [ true, 'Remote writable dir to store payload; cannot contain spaces', '/tmp'], regex: /^\S*$/, conditions: ['FETCH_FILELESS', '==', 'false'])
       ]