TSGCTF
Competition overview and writeups
README.md
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Create a non-draft post titled README (or README.md) and set its competition to TSGCTF.
participants.txt
Participants
1 total
ant1v3n0m
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Writeups
4 total
TSGCTF - global-writer
December 22, 2025
# global writer
## Summary
This challenge is a **global out-of-bounds write**.
- The program lets you repeatedly set `values[idx] = v`.
- There is *...
Binary Exploitation
TSGCTF - image-compress-revenge
December 22, 2025
# image-compress-revenge
## TL;DR
The server runs ImageMagick through `bash -c` and tries to escape the uploaded filename. By uploading a file whose **filename contains a backslash before `$`** (`\$F
Web Exploitation
TSGCTF - Mission: Impossible
December 22, 2025
# Mission: Impossible
## Summary
The site is a Gradio “CIA Vault Terminal” that transcribes uploaded audio with Whisper. If the transcription contain...
Web Exploitation
TSGCTF - medicine
December 21, 2025
# medicine (reversing)
## TL;DR
Flag: `TSGCTF{51gn4l_h4ndl3r_r0t13_x0r}`
This challenge hides the flag check behind self-modifying code: it deliberately triggers `SIGILL` (`ud2`), and the signal han
Reverse Engineering