Z3bra

Z3bra

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Don't trust client-side: How I hacked an mini-game event in PUBG Mobile

28/09/2026
Exploiting client-side trust to manipulate a PUBG Mobile mini-game event leaderboard.
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My journey on how I build a kernel-level iOS cheat

14/09/2026
My jorney on how I build a PUBG Mobile iOS client-server undetected ESP using kfd kernel exploit.
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Fuzzing GoldSrc: Weaponizing Network Packets for RCE in Counter-Strike 1.6

11/06/2026
How I used the WTF fuzzing framework to find bugs in the GoldSrc engine and exploit a stack buffer overflow for RCE in Counter-Strike 1.6.
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Performance over security: Speculative execution vulnerabilities (Spectre & Meltdown)

09/05/2026
A deep dive into Spectre and Meltdown, two hardware-level vulnerabilities that traded security for performance.
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Elysium - UEFI Bootkit Framework that attacks boot-time Code Integrity

29/08/2025
Deep dive into attacking the winload Code Integrity and revealing new techniques
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