File_1548317732.rar

Run strings [filename] | grep "flag" or 3108{ to see if the flag is in plaintext within the file's metadata.

The command may return "data" instead of "RAR archive data," indicating the Magic Bytes (file signatures) have been altered. 2. Hex Editing and Repair file_1548317732.rar

Open the file in a hex editor like or 010 Editor . You will notice that the starting bytes do not match the standard RAR 5.0 signature. Correct RAR 5.0 Signature: 52 61 72 21 1A 07 01 00 Run strings [filename] | grep "flag" or 3108{

You will typically find a nested file, often an image ( .jpg , .png ) or a document. 4. Finding the Flag often an image ( .jpg

binwalk , strings , or CyberChef for data manipulation.