File: Who.knocks.zip ... -

Information revealing an internal FTP server .

If you are using this for a legitimate security exercise, you can inspect the contents without full extraction using these tools:

The file is most likely associated with the "Knock Knock" forensics challenge or investigation scenario from platforms like Hack The Box (HTB) Sherlocks . In this context, it contains artifacts related to a simulated security incident involving a port knocking service . Content Summary & Analysis File: Who.Knocks.zip ...

Threat actors frequently use password-protected or uniquely named ZIP files to bypass email scanners and deliver malware.

Evidence of a "port knocking" sequence—specific ports (e.g., 29999, 50234, 45087) that must be "knocked" in order to open a firewall to a target port. Information revealing an internal FTP server

Highly recommended for digital forensics as it accurately displays file timestamps and allows you to browse the archive structure safely.

A simple web-based tool to scan a file for malware patterns before you open it on your local machine. Content Summary & Analysis Threat actors frequently use

Modern services like Microsoft OneDrive/SharePoint may still attempt to scan these files for known virus signatures. Tools for Safe Review