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So Meta

Problem

Find the flag in this picture. You can also find the file in /problems/so-meta_3_6dc950904c3ee41f324ae8d9f142f2b8.

Solution

  1. 1.
    The flag is hidden in the EXIF data of the image. Use exiftool and grep:
    $ exiftool pico_img.png | grep Artist
    Artist : picoCTF{s0_m3ta_43f253bb}
  2. 2.
    Katana can solve this challenge:
    Target completed in 0.21 seconds after 1847 unit cases
    grep(/data/targets/pico_img.png)
    picoCTF{s0_m3ta_43f253bb} - (copied)

Flag

picoCTF{s0_m3ta_43f253bb}
Last modified 2yr ago