Kashi CTF 2025 : kings | OSINT
Clues:
- A photograph of a dagger/knife.
- The title “Kings” in plural, suggesting the challenge will involve multiple kings.
- The statement:
- “cosmic weapons”
- “example of such weapons on the net”
- “This ruler’s court artist”
- “drew the most accurate painting of a now extinct bird”
Approach:
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Reverse Image Search:
- A reverse image search reveals that this dagger, made of cosmic materials, belonged to Tutankhamun, an Egyptian king.
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Research on the Extinct Bird:
- Referring to the clues, we search for which bird has gone extinct from Earth. We quickly discover it is the dodo.
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Research on the Court Artist:
- Next, we need to find a dodo that was painted by an artist from a king or emperor’s court. We find a painting of a dodo by Ustad Mansur, an artist from Emperor Jahangir’s court.
- Further research shows that this emperor also possessed a dagger made of cosmic materials, which perfectly matches the challenge’s statement.
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Location of the Painting:
- We then search for where this painting is kept. It is displayed at the Hermitage Museum in Saint Petersburg, Russia.
- A quick search on Google Maps helps to find the museum’s coordinates.
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Challenge Validation:
- Even after finding the coordinates, the flag did not work. A quick discussion with an administrator helped me find the correct flag and validate the challenge.
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