[WGMY] Stable
Task Description This is very unstable, and they say python is a stable language This challenge provided a Python file called stable.py.
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2022
[THM] Fuscator
Fuscator is a medium dificulty boot2root machine I created for Malaysia Cyber Security Camp (MCC) 2022 as an assignment using TryHackMe. You can access it he...
[BOH] format2win
This challenge provided a binary file. Since this is a pwn challenge, before we dig into it, let’s see its security properties: From result we can see th...
[SHELLCTF] OX9OR2
Task source: https://github.com/Tzion0/CTF/tree/master/ShellCTF/2022/OX9OR2 This challenge provided two files called encryption.py and encrypted. encrypted ...
[TFCCTF] Secrets Of Tenochtitlan
Task source: https://github.com/Tzion0/CTF/tree/master/TFCCTF/2022/SOT Description Tenochtitlan was the island capital of the Aztec empire, believed to be f...
[HSCTF] pass
This is a python sandbox challenge. By inputting some characters, we can identify few Illegal characters: []._'"
[HSCTF] atcs-nightmare
Task source: https://github.com/Tzion0/CTF/tree/master/HSCTF/2022/atcs-nightmare This challenge provided a java source code. Looking at the source code, th...
[HTBCACTF] Snakecode
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Reversing/Snakecode This challenge provided a pyc file. First of all, we need to dec...
[HTBCACTF] Jenny From The Block
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Crypto/Jenny_From_The_Block This challenge provided a python source code. Looking at...
[NAHAMCONCTF] WhenAmI
Task source: https://github.com/Tzion0/CTF/tree/master/NahamConCTF/2022/Miscellaneous/WhenAmI Description I know where I am, but… when am I? This challenge...
[NAHAMCONCTF] Babysteps
Task source: https://github.com/Tzion0/CTF/tree/master/NahamConCTF/2022/Binary_Exploitation/Babysteps Description Become a baby! Take your first steps and j...
[DCTF] All Forensics Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/DCTF/2022/Forensics This writeup contains all Forensics category challenges in DCTF 2022 that i solv...
[CREWCTF] Screenshot Pt.1
Description We have arrested a criminal and we think that he takes so many screenshots can you help me to find the secret? Q1. What is the Name of the secre...
[PICOCTF] Reverse Engineering Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/PicoCTF/2022/Reverse_Engineering Worth to note that we managed to get rank 468 out of 7794 teams in ...
[PICOCTF] Forensics Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/PicoCTF/2022/Forensics Worth to note that we managed to get rank 468 out of 7794 teams in PicoCTF 20...
[PICOCTF] Binary Exploitation Challenges Writeup
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
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
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
Task source: https://github.com/Tzion0/CTF/tree/master/KnightCTF/2022/Knight%20Switch%20Bank By importing the ELF executable into Ghidra, we quickly noticed...
REV
[MALWARE] Lumma Stealer Loader Analysis
On September 19, 2024, I received an email regarding a GitHub Scanner result for my public repository. Initially, the email was not flagged as malicious or s...
[HITCONCTF-QUALS] Antivirus
I played HITCON Quals CTF 2024 with merger team World Wide Union. This challenge provided a run.sh and print_flag.cbc file.
[BI0SCTF] BaeBPF
This challenge only provided a instance deployment.
[ACS] Maze
This challenge provided a binary called maze compiled with Rust. Executing it tells us that we are dealing with a maze challenge. There are 3 methods IMO to...
[CYDESCTF] Nihongo Wakaranai
This challenge provided an Excel (.xlsx) file. Here is the challenge file. Before we get started, I would like to express my heartfelt gratitude to the orga...
[BSIDESTLVCTF] Tsebrakhn
This challenge provided a binary file and a netcat instance.
[SHARING-SESSION] Unlocking Hidden Realms: Heaven’s Gate in Reverse Engineering
On 12/6/2023, with the assistance of RE:Hack, I shared about how we can approached Heavens Gate technique in terms of reverse engineering. Interested readers...
[VISHWACTF] Ethereal Crackme
This challenge provided a two windows executable files called HauntedImage.exe and HauntedCursor.exe.
[WGMY] Stable
Task Description This is very unstable, and they say python is a stable language This challenge provided a Python file called stable.py.
[HSCTF] atcs-nightmare
Task source: https://github.com/Tzion0/CTF/tree/master/HSCTF/2022/atcs-nightmare This challenge provided a java source code. Looking at the source code, th...
[HTBCACTF] Snakecode
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Reversing/Snakecode This challenge provided a pyc file. First of all, we need to dec...
[PICOCTF] Reverse Engineering Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/PicoCTF/2022/Reverse_Engineering Worth to note that we managed to get rank 468 out of 7794 teams in ...
[KNIGHTCTF] Knight Vault
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
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
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...
[K3RN3LCTF] K3RN3L DROID
Task source : https://github.com/Tzion0/CTF/tree/master/K3RN3LCTF/2021/K3RN3L%20DROID Our goal is to retrieve the valid pin number to combine with another h...
2023
[ACS] Maze
This challenge provided a binary called maze compiled with Rust. Executing it tells us that we are dealing with a maze challenge. There are 3 methods IMO to...
[CYDESCTF] Nihongo Wakaranai
This challenge provided an Excel (.xlsx) file. Here is the challenge file. Before we get started, I would like to express my heartfelt gratitude to the orga...
[BSIDESTLVCTF] Tsebrakhn
This challenge provided a binary file and a netcat instance.
[SHARING-SESSION] Unlocking Hidden Realms: Heaven’s Gate in Reverse Engineering
On 12/6/2023, with the assistance of RE:Hack, I shared about how we can approached Heavens Gate technique in terms of reverse engineering. Interested readers...
[VISHWACTF] Ethereal Crackme
This challenge provided a two windows executable files called HauntedImage.exe and HauntedCursor.exe.
2024
[MALWARE] Lumma Stealer Loader Analysis
On September 19, 2024, I received an email regarding a GitHub Scanner result for my public repository. Initially, the email was not flagged as malicious or s...
[HITCONCTF-QUALS] Antivirus
I played HITCON Quals CTF 2024 with merger team World Wide Union. This challenge provided a run.sh and print_flag.cbc file.
[MATRIXCUP] My Journey & Experience
I am thrilled to participate in MatrixCup 2024 in QingDao, China with my team, 打个没五分钟充电三小时, humorously named after M53. Before we begin, I would like to tha...
[HACKTHEON] My Journey & Experience
Hackathon 2024 Adventure I am honored to participate in Hacktheon 2024 held in Sejong, South Korea with team Kopi Cincau consisting of M53 members Kelzin (@m...
[BI0SCTF] BaeBPF
This challenge only provided a instance deployment.
2021
[K3RN3LCTF] Integrity Checker
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...
[K3RN3LCTF] K3RN3L DROID
Task source : https://github.com/Tzion0/CTF/tree/master/K3RN3LCTF/2021/K3RN3L%20DROID Our goal is to retrieve the valid pin number to combine with another h...
[THM] NoNameCTF
Enumeration nmap -sCV -oN nmap/NoNameCTF <ip> Result Nmap scan report for 10.10.107.235 Host is up (0.36s latency). Not shown: 992 closed tcp ports (c...
PICOCTF
[PICOCTF] Reverse Engineering Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/PicoCTF/2022/Reverse_Engineering Worth to note that we managed to get rank 468 out of 7794 teams in ...
[PICOCTF] Forensics Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/PicoCTF/2022/Forensics Worth to note that we managed to get rank 468 out of 7794 teams in PicoCTF 20...
[PICOCTF] Binary Exploitation Challenges Writeup
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 ...
PWN
[BOH] format2win
This challenge provided a binary file. Since this is a pwn challenge, before we dig into it, let’s see its security properties: From result we can see th...
[NAHAMCONCTF] Babysteps
Task source: https://github.com/Tzion0/CTF/tree/master/NahamConCTF/2022/Binary_Exploitation/Babysteps Description Become a baby! Take your first steps and j...
[PICOCTF] Binary Exploitation Challenges Writeup
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 ...
Forensics
[DCTF] All Forensics Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/DCTF/2022/Forensics This writeup contains all Forensics category challenges in DCTF 2022 that i solv...
[CREWCTF] Screenshot Pt.1
Description We have arrested a criminal and we think that he takes so many screenshots can you help me to find the secret? Q1. What is the Name of the secre...
[PICOCTF] Forensics Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/PicoCTF/2022/Forensics Worth to note that we managed to get rank 468 out of 7794 teams in PicoCTF 20...
MISC
[TFCCTF] Secrets Of Tenochtitlan
Task source: https://github.com/Tzion0/CTF/tree/master/TFCCTF/2022/SOT Description Tenochtitlan was the island capital of the Aztec empire, believed to be f...
[HSCTF] pass
This is a python sandbox challenge. By inputting some characters, we can identify few Illegal characters: []._'"
[NAHAMCONCTF] WhenAmI
Task source: https://github.com/Tzion0/CTF/tree/master/NahamConCTF/2022/Miscellaneous/WhenAmI Description I know where I am, but… when am I? This challenge...
THM
[THM] Fuscator
Fuscator is a medium dificulty boot2root machine I created for Malaysia Cyber Security Camp (MCC) 2022 as an assignment using TryHackMe. You can access it he...
[THM] NoNameCTF
Enumeration nmap -sCV -oN nmap/NoNameCTF <ip> Result Nmap scan report for 10.10.107.235 Host is up (0.36s latency). Not shown: 992 closed tcp ports (c...
K3RN3LCTF
[K3RN3LCTF] Integrity Checker
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...
[K3RN3LCTF] K3RN3L DROID
Task source : https://github.com/Tzion0/CTF/tree/master/K3RN3LCTF/2021/K3RN3L%20DROID Our goal is to retrieve the valid pin number to combine with another h...
KNIGHTCTF
[KNIGHTCTF] Knight Vault
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
Task source: https://github.com/Tzion0/CTF/tree/master/KnightCTF/2022/Knight%20Switch%20Bank By importing the ELF executable into Ghidra, we quickly noticed...
NAHAMCONCTF
[NAHAMCONCTF] WhenAmI
Task source: https://github.com/Tzion0/CTF/tree/master/NahamConCTF/2022/Miscellaneous/WhenAmI Description I know where I am, but… when am I? This challenge...
[NAHAMCONCTF] Babysteps
Task source: https://github.com/Tzion0/CTF/tree/master/NahamConCTF/2022/Binary_Exploitation/Babysteps Description Become a baby! Take your first steps and j...
HTBCACTF
[HTBCACTF] Snakecode
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Reversing/Snakecode This challenge provided a pyc file. First of all, we need to dec...
[HTBCACTF] Jenny From The Block
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Crypto/Jenny_From_The_Block This challenge provided a python source code. Looking at...
CRYPTO
[SHELLCTF] OX9OR2
Task source: https://github.com/Tzion0/CTF/tree/master/ShellCTF/2022/OX9OR2 This challenge provided two files called encryption.py and encrypted. encrypted ...
[HTBCACTF] Jenny From The Block
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Crypto/Jenny_From_The_Block This challenge provided a python source code. Looking at...
HTB
[HTBCACTF] Snakecode
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Reversing/Snakecode This challenge provided a pyc file. First of all, we need to dec...
[HTBCACTF] Jenny From The Block
Task source: https://github.com/Tzion0/CTF/tree/master/HTB/CA_CTF/2022/Crypto/Jenny_From_The_Block This challenge provided a python source code. Looking at...
HSCTF
[HSCTF] pass
This is a python sandbox challenge. By inputting some characters, we can identify few Illegal characters: []._'"
[HSCTF] atcs-nightmare
Task source: https://github.com/Tzion0/CTF/tree/master/HSCTF/2022/atcs-nightmare This challenge provided a java source code. Looking at the source code, th...
BI0SCTF
[BI0SCTF] BaeBPF
This challenge only provided a instance deployment.
[BSIDESTLVCTF] Tsebrakhn
This challenge provided a binary file and a netcat instance.
WEB
[THM] NoNameCTF
Enumeration nmap -sCV -oN nmap/NoNameCTF <ip> Result Nmap scan report for 10.10.107.235 Host is up (0.36s latency). Not shown: 992 closed tcp ports (c...
DICECTF
[DICECTF] knock-knock
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...
Web
[DICECTF] knock-knock
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...
CREWCTF
[CREWCTF] Screenshot Pt.1
Description We have arrested a criminal and we think that he takes so many screenshots can you help me to find the secret? Q1. What is the Name of the secre...
DCTF
[DCTF] All Forensics Challenges Writeup
Tasks source: https://github.com/Tzion0/CTF/tree/master/DCTF/2022/Forensics This writeup contains all Forensics category challenges in DCTF 2022 that i solv...
TFCCTF
[TFCCTF] Secrets Of Tenochtitlan
Task source: https://github.com/Tzion0/CTF/tree/master/TFCCTF/2022/SOT Description Tenochtitlan was the island capital of the Aztec empire, believed to be f...
SHELLCTF
[SHELLCTF] OX9OR2
Task source: https://github.com/Tzion0/CTF/tree/master/ShellCTF/2022/OX9OR2 This challenge provided two files called encryption.py and encrypted. encrypted ...
BOH
[BOH] format2win
This challenge provided a binary file. Since this is a pwn challenge, before we dig into it, let’s see its security properties: From result we can see th...
MCC
[THM] Fuscator
Fuscator is a medium dificulty boot2root machine I created for Malaysia Cyber Security Camp (MCC) 2022 as an assignment using TryHackMe. You can access it he...
WGMY
[WGMY] Stable
Task Description This is very unstable, and they say python is a stable language This challenge provided a Python file called stable.py.
VISHWACTF
[VISHWACTF] Ethereal Crackme
This challenge provided a two windows executable files called HauntedImage.exe and HauntedCursor.exe.
CYDESCTF
[CYDESCTF] Nihongo Wakaranai
This challenge provided an Excel (.xlsx) file. Here is the challenge file. Before we get started, I would like to express my heartfelt gratitude to the orga...
ACS
[ACS] Maze
This challenge provided a binary called maze compiled with Rust. Executing it tells us that we are dealing with a maze challenge. There are 3 methods IMO to...
AseanCyberShield
[ACS] Maze
This challenge provided a binary called maze compiled with Rust. Executing it tells us that we are dealing with a maze challenge. There are 3 methods IMO to...
eBPF
[BI0SCTF] BaeBPF
This challenge only provided a instance deployment.
HACKTHEON
[HACKTHEON] My Journey & Experience
Hackathon 2024 Adventure I am honored to participate in Hacktheon 2024 held in Sejong, South Korea with team Kopi Cincau consisting of M53 members Kelzin (@m...
MATRIXCUP
[MATRIXCUP] My Journey & Experience
I am thrilled to participate in MatrixCup 2024 in QingDao, China with my team, 打个没五分钟充电三小时, humorously named after M53. Before we begin, I would like to tha...
HITCONCTF-QUALS
[HITCONCTF-QUALS] Antivirus
I played HITCON Quals CTF 2024 with merger team World Wide Union. This challenge provided a run.sh and print_flag.cbc file.
ClamAV
[HITCONCTF-QUALS] Antivirus
I played HITCON Quals CTF 2024 with merger team World Wide Union. This challenge provided a run.sh and print_flag.cbc file.
MALWARE
[MALWARE] Lumma Stealer Loader Analysis
On September 19, 2024, I received an email regarding a GitHub Scanner result for my public repository. Initially, the email was not flagged as malicious or s...
LUMMA
[MALWARE] Lumma Stealer Loader Analysis
On September 19, 2024, I received an email regarding a GitHub Scanner result for my public repository. Initially, the email was not flagged as malicious or s...
INE
INE Certifications Review
My review of the majority of INE Security Certification exams, focusing on things you should note when attempting the exam.
eLearn
INE Certifications Review
My review of the majority of INE Security Certification exams, focusing on things you should note when attempting the exam.
2025
INE Certifications Review
My review of the majority of INE Security Certification exams, focusing on things you should note when attempting the exam.