A more realistic attack would be something like, slipping a malicious payload past a scanner by emailing a zip file that appears innocent when unpacked with the

A more realistic attack would be something like, slipping a malicious payload past a scanner by emailing a zip file that appears innocent when unpacked with the scanner’s zip implementation but produces malware when unpacked with the email client’s implementation. There’s a decent chance they’ll be different, and it wouldn’t be too hard to guess which ones a target might be using.