Tzion’s Blog

Tzion

CTF / Reverse Engineering / Malware Analysis / Threat Intelligence / Threat Hunting

[PICOCTF] Binary Exploitation Challenges Writeup

March 28, 2022 21 minute read

Tasks source: https://github.com/Tzion0/CTF/tree/master/PicoCTF/2022/Binary_Exploitation Worth to note that we managed to get rank 468 out of 7794 teams in ...

[DICECTF] knock-knock

February 7, 2022 1 minute read

Task source: https://github.com/Tzion0/CTF/tree/master/DiceCTF/2022/knock-knock Looking at the webpage, it is a site similar to pastebin that let us to crea...

[KNIGHTCTF] Knight Vault

January 23, 2022 1 minute read

Task source: https://github.com/Tzion0/CTF/tree/master/KnightCTF/2022/Knight%20Vault By importing the ELF executable into Ghidra, we quickly noticed that th...

[KNIGHTCTF] Knight Switch Bank

January 23, 2022 2 minute read

Task source: https://github.com/Tzion0/CTF/tree/master/KnightCTF/2022/Knight%20Switch%20Bank By importing the ELF executable into Ghidra, we quickly noticed...

[K3RN3LCTF] Integrity Checker

November 17, 2021 1 minute read

Task source: https://github.com/Tzion0/CTF/tree/master/K3RN3LCTF/2021/Integrity%20Checker Load the .jar file into Java bytecode editor, Recaf. We can see it...