Glossary: Modern Vulnerabilities, Malware and Physical Attacks

iex (Invoke-Expression)

Also written: Invoke-Expression

A PowerShell command that runs text as code straight away without saving a file. Paired with irm, it makes a fileless download-and-run.

Where the book teaches it

Chapter 4: Malware, part 2: viruses, rootkits, keyloggers, logic bombs and fileless malware

Related terms

irm (Invoke-RestMethod)Fileless malware PowerShell