Land rapid7#3379, [FixRM rapid7#8803] - Improve fb_cnct_group check

Author: zeroSteiner

modules/exploits/windows/misc/fb_cnct_group.rb

@@ -92,11 +92,7 @@ def check
     disconnect
 
     opcode = data.unpack("N*")[0]
-    version = data.unpack("N*")[1]
     if opcode == 3 # Accept
-      if [ 0xffff800b, 0xffff800c ].include?(version)
-        return Exploit::CheckCode::Vulnerable
-      end
       return Exploit::CheckCode::Detected
     end