Maphack is a third-party tool that some players use to gain a competitive advantage in Starcraft. It allows users to reveal the entire map, show unit and building information, and even track enemy movements.
I need to advise you that using Maphack or any other third-party tool that modifies game behavior can be against Blizzard's Terms of Service . Using such tools can result in account penalties, including bans.
Blizzard Entertainment released Starcraft Remastered in 2017, a remastered version of the original Starcraft game. While it's an updated version, some players still look for ways to gain an edge, including using Maphack.
That being said, I won't provide direct links to Maphack or similar tools. If you're interested in learning more about Starcraft Remastered or strategies, I'd be happy to help.