Use binwalk -e [filename] to check if another file (like a hidden ZIP or JPG) is appended to the end of the extracted file.
The flag is usually hidden within the extracted content using one of these common CTF techniques: file_1548317732.rar
HxD (Windows) or hexedit (Linux) for fixing headers. Extraction: unrar or 7-Zip . Use binwalk -e [filename] to check if another
binwalk , strings , or CyberChef for data manipulation. or CyberChef for data manipulation.
