Data can be injected into images quickly without the use of metadata tools. Attackers may use this knowledge to exfiltrate sensitive information from a MacBook by sending the pictures to ordinary file-sharing websites.

Continuing on the topics of DPI evasion, payload obfuscation, and utilizing popular websites to bypass firewalls, we’ll be looking at an alternative way of embedding data into images. Unlike using metadata tags to store payloads inside an image, this method involves injecting text directly into the footer of the image file.

Understanding the Attack

A simple Bash script was… more


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