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Project Sekai
🔒 BYUCTF 2023 / ✅-misc-lost
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Lost - 500 points
Category: Misc Description: Help! My friend is lost and all I have is this folder of photos. https://byu.box.com/s/ld7tcfr2ievkrusdcgba9z0az51g6dt0 Files: No files. Tags: Hard
Sutx pinned a message to this channel. 05/19/2023 10:26 AM
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@Legoclones wants to collaborate 🤝
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@rubiya wants to collaborate 🤝
11:41
@afterworld wants to collaborate 🤝
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@Deleted User wants to collaborate 🤝
15:16
@jayden wants to collaborate 🤝
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Deleted User 05/19/2023 3:16 PM
:(
15:18
bruh this isnt geosint
15:19
what the fuck is this challenge?
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ill check this
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Deleted User 05/19/2023 3:20 PM
there's thousands of images of random places
15:21
some are lower resolution than the other
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programming chal probably
15:21
check metadata
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Deleted User 05/19/2023 3:21 PM
definitely
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or data
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Deleted User 05/19/2023 3:21 PM
ill try exif
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looks like 12 images a group
15:21
prob see whats changed in 12
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Deleted User 05/19/2023 3:22 PM
ig tell me concept and i can code it
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idk concept, need trial and error
15:23
still checking last modified date
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Deleted User
ig tell me concept and i can code it
each 12 photos, check if their data are the same (rgb or bytes)
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theres random ass gps coords in the exif of the images
15:23
are they the same acros 12 photos
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looks like it differs slightly
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lol i dont want the draw coord chal
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Deleted User 05/19/2023 3:24 PM
it might be a draw coord chall
15:24
lmao
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250x12 then
15:25
draw 250 dots
15:25
or sth
15:25
250 chars
15:25
will need to see
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Deleted User 05/19/2023 3:25 PM
divide amount of images by 12
15:25
that's how many chars
15:25
idts
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Deleted User 05/19/2023 3:25 PM
yeah idk
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could be multiple to 1 char
15:25
will see
15:25
gonna check first few
15:30
{'geolocation_lat': 40.0023, 'geolocation_lng': -99.99980000000001} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9997} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9946} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.994} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9939} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.99380000000001} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9937} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9932} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9931} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.993} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9919} {'geolocation_lat': 40.0023, 'geolocation_lng': -99.9918}
15:31
first 12
15:31
so only lng changes
15:31
its definitely drawing
15:31
maybe depending on lat or long changes, 0 or 1
15:31
sth like that
15:31
gonna see the next set
15:31
ah
15:31
i see
15:32
time to draw them
15:34
15:34
yeah
15:34
its def flag
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sahuang
used /ctf solve
✅ Challenge solved.
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Deleted User 05/19/2023 3:37 PM
nice
15:37
🔥 1
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Deleted User 05/19/2023 3:40 PM
was this change in lat and change in lng
15:40
for x and y?
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just plot them
15:41
x-40, y+100
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Deleted User 05/19/2023 3:42 PM
why is x and y plot so small then
15:42
0.005
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x is 40.0xx y is -99.yyy
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sahuang
x-40, y+100
did this
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Deleted User 05/19/2023 3:42 PM
I see
Exported 70 message(s)