2020

3kCTF 2021

• 3kCTF 2021: masterc (Pwn)
• 3kCTF 2021: crypto warmup (Crypto)

ALLES CTF

• ALLES CTF 2020: PWNkemon (Hardware)

Author's Writeup

• CTF.SG CTF 2022: Chonk Shortage (Pwn)

CTB

• CyBRICS Quals 2019: ProCTF (CTB)

CTF

• CTF.SG CTF 2022: Chonk Shortage (Pwn)
• HSCTF 8 2021: House of Sice (Pwn)
• zh3r0 CTF 2021: The Vault (Misc)
• zh3r0 CTF 2021: BabyRE (Rev)
• ICHSA CTF 2021: Epic Game (Pwn)
• SECCON Beginners: Freeless (Pwn)
• 3kCTF 2021: masterc (Pwn)
• 3kCTF 2021: crypto warmup (Crypto)
• LINECTF 2021: babycrypto2 (Crypto)
• LINECTF 2021: babycrypto1 (Crypto)
• ALLES CTF 2020: PWNkemon (Hardware)
• redpwnCTF 2020: Skywriting (Pwn)
• redpwnCTF 2020: i-wanna-find-the-flag (Rev)
• RACTF 2020: Finches in a Pie (Pwn)
• HSCTF 7: Got It (Pwn)
• HSCTF 7: pwnagotchi (Pwn)
• Sharky CTF 2020: ｚ３ｒｏｂｏｔｗａｖｅｓ (Reverse)
• Sharky CTF 2020: give_away_2 (Pwn)
• Sharky CTF 2020: give_away_1 (Pwn)
• Sharky CTF 2020: Captain Hook (Pwn)
• CyBRICS Quals 2019: Zakukozh (Cyber)
• CyBRICS Quals 2019: Warmup (Web)
• CyBRICS Quals 2019: ProCTF (CTB)
• CyBRICS Quals 2019: Honey, Help! (Steg)
• Tokyo Westerns CTF 2017: rev_rev_rev (Reversing)
• HITB GSEC 2017: Prime (Mobile)
• HITB GSEC 2017: 2017, Dating in Singapore (Misc)
• HITB GSEC 2017: Simple Transfer (Misc)

CTF.SG CTF

• CTF.SG CTF 2022: Chonk Shortage (Pwn)

Crypto

• 3kCTF 2021: crypto warmup (Crypto)
• LINECTF 2021: babycrypto2 (Crypto)
• LINECTF 2021: babycrypto1 (Crypto)
• CyBRICS Quals 2019: Zakukozh (Cyber)

Cybrics Qualifiers 2019

• CyBRICS Quals 2019: Zakukozh (Cyber)
• CyBRICS Quals 2019: Warmup (Web)
• CyBRICS Quals 2019: ProCTF (CTB)
• CyBRICS Quals 2019: Honey, Help! (Steg)

Forensics

• HITB GSEC 2017: Simple Transfer (Misc)

HITB GSEC 2017

• HITB GSEC 2017: Prime (Mobile)
• HITB GSEC 2017: 2017, Dating in Singapore (Misc)
• HITB GSEC 2017: Simple Transfer (Misc)

HSCTF 7

• HSCTF 7: Got It (Pwn)
• HSCTF 7: pwnagotchi (Pwn)

HSCTF 8

• HSCTF 8 2021: House of Sice (Pwn)

Hardware

• ALLES CTF 2020: PWNkemon (Hardware)

ICHSA CTF

• ICHSA CTF 2021: Epic Game (Pwn)

LINECTF 2021

• LINECTF 2021: babycrypto2 (Crypto)
• LINECTF 2021: babycrypto1 (Crypto)

Misc

• zh3r0 CTF 2021: The Vault (Misc)
• CyBRICS Quals 2019: ProCTF (CTB)
• CyBRICS Quals 2019: Honey, Help! (Steg)
• HITB GSEC 2017: 2017, Dating in Singapore (Misc)
• HITB GSEC 2017: Simple Transfer (Misc)

Mobile

• HITB GSEC 2017: Prime (Mobile)

PoP

• [PoP:Rev] Reverse Engineering x86 ELF: 0x5
• [PoP:Rev] Reverse Engineering x86 ELF: 0x4
• [PoP:Rev] Reverse Engineering x86 ELF: 0x3
• [PoP:Rev] Reverse Engineering x86 ELF: 0x2
• [PoP:Rev] Reverse Engineering x86 ELF: 0x1

Principles of Pwning

• [PoP:Rev] Reverse Engineering x86 ELF: 0x5
• [PoP:Rev] Reverse Engineering x86 ELF: 0x4
• [PoP:Rev] Reverse Engineering x86 ELF: 0x3
• [PoP:Rev] Reverse Engineering x86 ELF: 0x2
• [PoP:Rev] Reverse Engineering x86 ELF: 0x1

Pwn

• CTF.SG CTF 2022: Chonk Shortage (Pwn)
• HSCTF 8 2021: House of Sice (Pwn)
• ICHSA CTF 2021: Epic Game (Pwn)
• SECCON Beginners: Freeless (Pwn)
• 3kCTF 2021: masterc (Pwn)
• redpwnCTF 2020: Skywriting (Pwn)
• RACTF 2020: Finches in a Pie (Pwn)
• HSCTF 7: Got It (Pwn)
• HSCTF 7: pwnagotchi (Pwn)
• Sharky CTF 2020: give_away_2 (Pwn)
• Sharky CTF 2020: give_away_1 (Pwn)
• Sharky CTF 2020: Captain Hook (Pwn)

RACTF

• RACTF 2020: Finches in a Pie (Pwn)

RE

• Sharky CTF 2020: ｚ３ｒｏｂｏｔｗａｖｅｓ (Reverse)

Rev

• zh3r0 CTF 2021: BabyRE (Rev)

Reversing

• redpwnCTF 2020: i-wanna-find-the-flag (Rev)
• Sharky CTF 2020: ｚ３ｒｏｂｏｔｗａｖｅｓ (Reverse)
• [PoP:Rev] Reverse Engineering x86 ELF: 0x5
• [PoP:Rev] Reverse Engineering x86 ELF: 0x4
• [PoP:Rev] Reverse Engineering x86 ELF: 0x3
• [PoP:Rev] Reverse Engineering x86 ELF: 0x2
• [PoP:Rev] Reverse Engineering x86 ELF: 0x1
• Tokyo Westerns CTF 2017: rev_rev_rev (Reversing)

SECCON Beginners

• SECCON Beginners: Freeless (Pwn)

Sharky CTF 2020

• Sharky CTF 2020: ｚ３ｒｏｂｏｔｗａｖｅｓ (Reverse)
• Sharky CTF 2020: give_away_2 (Pwn)
• Sharky CTF 2020: give_away_1 (Pwn)
• Sharky CTF 2020: Captain Hook (Pwn)

Tokyo Westerns CTF 2017

• Tokyo Westerns CTF 2017: rev_rev_rev (Reversing)

Tutorial

• [PoP:Rev] Reverse Engineering x86 ELF: 0x5
• [PoP:Rev] Reverse Engineering x86 ELF: 0x4
• [PoP:Rev] Reverse Engineering x86 ELF: 0x3
• [PoP:Rev] Reverse Engineering x86 ELF: 0x2
• [PoP:Rev] Reverse Engineering x86 ELF: 0x1

Web

• CyBRICS Quals 2019: Warmup (Web)

Windows

• redpwnCTF 2020: i-wanna-find-the-flag (Rev)

redpwnCTF

• redpwnCTF 2020: Skywriting (Pwn)
• redpwnCTF 2020: i-wanna-find-the-flag (Rev)

writeup

• CTF.SG CTF 2022: Chonk Shortage (Pwn)
• HSCTF 8 2021: House of Sice (Pwn)
• zh3r0 CTF 2021: The Vault (Misc)
• zh3r0 CTF 2021: BabyRE (Rev)
• ICHSA CTF 2021: Epic Game (Pwn)
• SECCON Beginners: Freeless (Pwn)
• 3kCTF 2021: masterc (Pwn)
• 3kCTF 2021: crypto warmup (Crypto)
• LINECTF 2021: babycrypto2 (Crypto)
• LINECTF 2021: babycrypto1 (Crypto)
• ALLES CTF 2020: PWNkemon (Hardware)
• redpwnCTF 2020: Skywriting (Pwn)
• redpwnCTF 2020: i-wanna-find-the-flag (Rev)
• RACTF 2020: Finches in a Pie (Pwn)
• HSCTF 7: Got It (Pwn)
• HSCTF 7: pwnagotchi (Pwn)
• Sharky CTF 2020: ｚ３ｒｏｂｏｔｗａｖｅｓ (Reverse)
• Sharky CTF 2020: give_away_2 (Pwn)
• Sharky CTF 2020: give_away_1 (Pwn)
• Sharky CTF 2020: Captain Hook (Pwn)
• CyBRICS Quals 2019: Zakukozh (Cyber)
• CyBRICS Quals 2019: Warmup (Web)
• CyBRICS Quals 2019: ProCTF (CTB)
• CyBRICS Quals 2019: Honey, Help! (Steg)
• Tokyo Westerns CTF 2017: rev_rev_rev (Reversing)
• HITB GSEC 2017: Prime (Mobile)
• HITB GSEC 2017: 2017, Dating in Singapore (Misc)
• HITB GSEC 2017: Simple Transfer (Misc)

zh3r0 CTF

• zh3r0 CTF 2021: The Vault (Misc)
• zh3r0 CTF 2021: BabyRE (Rev)