It is work for versi 1.24b patch and you must upgrade warcraft from v 1.23 to 1.24 before you use cheat garena map. To hack on Garena , you must use a Garena Crack. So once you download the Garena Crack and play, you can activate the Maphack .

Here are the Garena Crack's Features:
Downloads are available : http://www.blusmash.com/
* Anti- Cheat Engine disabled: use cheats and hacks in Warcraft (BlackShot not tested yet)
* Auto-Updater disabled: the crack will work for a very long time because the updates will be ignored
* Room full. Please wait or buy Goldmember removed: There won’t come any message, that you shall buy Goldmember
* You can retry joining the room in 5 seconds” removed: Just try as much as you want – without waiting 5 seconds
* You can’t leave the room during playing” removed: Leave the room when you want
Multi-Instance: Start Garena as often as you want – use different ports to connect 6 times to Garena and get mass Exp
* Cheat Engine will be usable

Here are the Maphacks Features:

* Save features in config.ini (customizable all features)
* Grab your Cd-Keys
* Reveal units
* See Undead blight
* Build unexplored
* Reveal units on minimap
* Remove fog
* Remove fog on minimap
* Clickable units
* See ressources
* See invisible
* Bypass -ah feature in DotA
* Show illusions
* Show enemy pings
* Clickable invisible units
* See cooldowns
* See skills
* Show invisible units as red
* Show hero icons ally/enemy/all
* Enable trade resources in DotA
* Show hero icons ally/enemy/all
????: 1st-HACKS | Developing and Gaming Community http://www.1st-hacks.com/forum/forum435/thread8452.html
* Enable trade resources in DotA
* Working Hotkeys (F4,F5 for on/off and NUM+, NUM- for zoom out/in)Namespoofer with colors
* Camera Distance Hack (customizable distance)
* Custom trade amounts
* Minimize to tray button
* Show all HP bars (For the HP bars features, you have to have the option always show healthbars in warcraft III DISABLED)
* Show only enemy HP bars
* Show only ally HP bars
* Top view feature (removes the angle so you look over everything at 180 degrees)
* Remove zoom angles (removes the deviation when zooming)
* 90 degree spin (spins camera by 90 degrees)
* Smooth Camera (Max Camera distance that doesn't lock the zoom)