Update Medium(Harder).ps1

Author: calinux-py

Obfuscated Puzzle 2/Medium(Harder).ps1

@@ -40,7 +40,7 @@ $d1 = $da.Substring(5,1); $d2 = $da.Substring(8,1); $2c = $da.Substring(11,1); $
 $g1 = $da.Substring(10,1); $g2 = $ab.Substring(3,1);$g3 = $ad.Substring(20,1)
 
 $66 = "01110100 01111000 01110100"
-$67 = ($binaryString -split ' ').ForEach({ [char][Convert]::ToInt32($_, 2) }) -join ''
+$67 = ($66 -split ' ').ForEach({ [char][Convert]::ToInt32($_, 2) }) -join ''
 
 $r = "$gg$b3$1$g1$g2$c4$d3$4c$i$g3$67$b2"
 $3 = "$b3$c3$1b$3d$1c$1$b3$ca$d3$a4$c4$d1$d2$2c$b3$4c";$y = "$a$c2$a2$c2$b2$a3"