this will get rid of mass nick changes on channel and also will check for irccloud host and ban appropriately

credits go to Neo Nemesis i modified his code a bit

By Cappuccino.

ON  *:nick: {
  set -u3 %mjn1 $addtok(%mjn1,$newnick,44)
  var %ecnt8NX = 1
  while ( $comchan($newnick,%ecnt8NX) != $null )  {
    var %nickfldchan $v1
    hinc -mu3 massnick %nickfldchan 1
    if ($nick(%nickfldchan,$me,@%&~)) {
      if ($hget(massnick,%nickfldchan) > 2) {
        if (%nickschan != $true) {
          echo %nickfldchan 08,12 Nick-Flood Detected 
          .raw mode %nickfldchan +MR
          .set -u3 %nickschan $true
          set -u3 %mjn2 1
          .timermjnR 1 30 mode %nickfldchan -R
          .timermjnM 1 120 mode %nickfldchan -M          
}
        while (%mjn2 <= $numtok(%mjn1,44)) {
          if ($gettok(%mjn1,%mjn2,44) ison %nickfldchan) {
            ban35RT $gettok(%mjn1,%mjn2,44) %nickfldchan  
            if (%mjn2 <=  15) { kick %nickfldchan $gettok(%mjn1,%mjn2,44) Mass Nick-Change Detected  -1- } 
            if (%mjn2  >= 16) { kick %nickfldchan $gettok(%mjn1,%mjn2,44) Mass Nick-Change Detected -2- } 
          }
          inc %mjn2
        }
      }
    }
    inc %ecnt8NX
  }
}

Alias ban35RT {
 if ($regex($address($1,2),/(irccloud)/i)) { mode $2 +b $regsubex($mid($address($1,0),3),/(~?[^@]+)@.*(?=\.[^.]+\..+)/,*!\1@*\2)   | halt  } 
 elseif (!$regex($gettok($address($1,2),-1,64),/[a-zA-Z]/g)) { 
    mode $2 +b $+($gettok($address($1,2),1-3,46),.*)
  }    
  else {
    mode $2 +b $+(*!*@*.,$gettok($address($1,2),2-,46))  
  } 
}

ON *:LOAD:{ hmake massnick 100  }
On *:start: { hmake massnick 100 }