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Youssef Kessentini — Reverse Koat Shell
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Pickle
PwnSec CTF 2026
Created
2026-09-16
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CTF Writeups
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SQL Injection
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Blind SQLi
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PHP
PwnSec CTF 26: two easy web solves, a boolean blind SQLi built on a PHP type-confusion crash, and a pickle sandbox escape using OBJ instead of REDUCE
Youssef Kessentini
Security researcher & CTF player. Escalating privileges one machine at a time.
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