Bulk extractor

1. Introduction
In this lab, a disk image file āevidence.imgā is provided in the home directory of the root user (/root/). There is a file on this image which contains the email and phone number of āevilā user. The email of the user is āevil@attacker.co.ukā and the phone number is the flag for this lab.
Extract the files from the disk image using the bulk extractor tool and retrieve the flag!
2. Bulk extractor

We have to use bulk_extractor to extract the files from the given image
bulk_extractor evidence.img -o output

It depense on the image size, but the extraction process will take some timeā¦

3. Retrieve the flag
Instead of checking every file manually Iāll use grep for a string search
grep -irn 'evil@attacker.co.uk' . --color

4. Summary
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