If the code starts with something like powershell -e or eval() , the content is likely Base64 encoded .
The script may use ASCII decimal codes.
Opening the top code.txt file usually reveals a mess of characters, often using: Download new top code txt
Action : Replace the IEX (Invoke-Expression) at the start of the script with Write-Output or echo to print the decoded string to the terminal instead of executing it. If the code starts with something like powershell