# Hosting Files

### Cobalt Strike’s web server can host your user-driven packages for you. From the menu, select Site Management -> Host File and perform the following to set up:

#### 1) Choose the file to host

#### 2) Select an arbitrary URL

#### 3) Choose the mime type for the file

### By itself, the capability to host a file isn’t very impressive. However, in sections that follow, you will learn how to embed Cobalt Strike URLs into a spear phishing email. When you do this, Cobalt Strike can cross-reference visitors to your file with sent emails and include this information in the social engineering report.

### Check Enable SSL to serve this content over SSL. This option is available when you specify a valid SSL certificate in your Malleable C2 profile.