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filler chall 1

  • Published: 02/26/2024 (#11/11 in round)
  • Category: Misc
  • Points: 20
  • Author: Vipin

since tmrw chall will be a lil late, had to pull out the emergency chall

Tip: look around the server (around jan)

Hint

This hint costed 10 points.

Reveal hint

look at my message [refers to qvipin's messages on Discord in CyberStudents] specifically, maybe with a flag?

Write-up

Reveal write-up

Discord has a search functionality that allows us to search for messages with specific filters. The after:2023-12-31 before:2024-02-01 filter allows us to search for messages sent only in January 2024. (The challenge and CTF was made in 2024, so we can infer that). Additionally, since we know the flag starts with csd{, we can add that to our query.

Our final search query is after:2023-12-31 before:2024-02-01 csd{. One message sparks our interest, that includes a flag sent by the challenge author.

Flag: csd{5t0pl00klng@tm@hme$$ag3s}

Write-up by GodderE2D