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By Huntress Capture The Flag: String Cheese
String Cheese Author: @JohnHammond
Oh, a cheese stick! This was my favorite snack as a kid. My mom always called it by a different name though…
Download the file(s) below. Attachments: cheese.jpg
เช็ดจาก file แจ้งว่าเป็นรูปภาพ JPEG
$ file cheese.jpg
cheese.jpg: JPEG image data, JFIF standard 1.01, resolution (DPI), density 300x300, segment length 16, Exif Standard: [TIFF image data, little-endian, direntries=2, description=string cheese isolated on whiteDiana Taliun\377\341\005Zhttp://ns.adobe.com/xap/1.0/, copyright=Diana Taliun\377\341\005Zhttp://ns.adobe.com/xap/1.0/], progressive, precision 8, 612x408, components 3
ใช้ string แยก text ออกมา
$ strings cheese.jpg | grep -i flag
flag{f4d9f0f70bf353f2ca23d81dcf7c9099}