1ca2st Walkthrough

(Updated: )
,
reference claren's 1ca2st

.NET:

Load the program with dnSpy/dnSpy, decompile as C#:

1
2
3
4
5
6
7
8
bool flag = Operators.CompareString(this.TextBox2.Text, string.Concat(new string[]
            {
                @string, //
                "-",
                string.Format("{0:X}", this.TextBox1.Text.Length * num), // length * 9999990
                "-",
                num2.ToString() // 8895
            }), false) == 0;

Standard numeric format strings.