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Hey friends, today we cover a funstrating (that's fun + frustrating) issue we had with our DIY pentest dropboxes. TLDL:
The preseed file got jacked because I had a bad Kali metapackage in it.
While I was tinkering around with preseed files, I decided it would be more efficient to have the Kali ISO call that preseed file directly over HTTP (rather than make a new ISO every time I made a preseed change). To accomplish that:
Mount the Kali ISO
Explore to isolinux > txt.cfg
Modify the txt.cfg to include a custom boot option that calls your preseed over HTTP. For example: