: If the MP4 serves as a "dropper" (a file that downloads more malware), investigators use sandboxes to observe if it attempts to connect to a Command and Control (C2) server . Key Investigation Steps
: Many "forensic" video challenges hide data in non-visual parts of the file. Tools like StegSolve or hex editors (e.g., HxD ) are used to find appended data or hidden partitions. Josyscmp4
: Checking individual video frames for visual anomalies or QR codes that only appear for a fraction of a second. : If the MP4 serves as a "dropper"