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Zeyu's CTF Writeups
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The InfoSecurity Challenge 2022
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2023
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2022
niteCTF 2022
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CTF.SG CTF
YaCTF 2022
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TetCTF 2022
2021
hxp CTF 2021
HTX Investigator's Challenge 2021
Metasploit Community CTF
MetaCTF CyberGames
CyberSecurityRumble CTF
The InfoSecurity Challenge (TISC) 2021
SPbCTF's Student CTF Quals
Asian Cyber Security Challenge (ACSC) 2021
CSAW CTF Qualification Round 2021
YauzaCTF 2021
InCTF 2021
UIUCTF 2021
Google CTF 2021
TyphoonCon CTF 2021
DSTA BrainHack CDDC21
BCACTF 2.0
Zh3ro CTF V2
Pwn2Win CTF 2021
NorzhCTF 2021
DawgCTF 2021
UMDCTF 2021
Midnight Sun CTF 2021
picoCTF 2021
It Is My Birthday (100)
Super Serial (130)
Most Cookies (150)
Startup Company (180)
X marks the spot (250)
Web Gauntlet (170 + 300)
Easy Peasy (40)
Mini RSA (70)
Dachshund Attacks (80)
No Padding, No Problem (90)
Trivial Flag Transfer Protocol (90)
Wireshark twoo twooo two twoo... (100)
Disk, Disk, Sleuth! (110 + 130)
Stonks (20)
DSO-NUS CTF 2021
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picoCTF 2021
This CTF was a blast! I enjoyed many of the Web Exploitation challenges in particular. Here are some of the more interesting challenges I solved.
Web Exploitation
It Is My Birthday (100)
Super Serial (130)
Most Cookies (150)
Web Gauntlet 2 (170)
Startup Company (180)
X marks the spot (250)
Web Gauntlet 3 (300)
Cryptography
Easy Peasy (40)
Mini RSA (70)
Dachshund Attacks (80)
No Padding, No Problem (90)
Forensics
Trivial Flag Transfer Protocol (90)
Wireshark twoo twooo two twoo... (100)
Disk, Disk, Sleuth! (110)
Disk, Disk, Sleuth! II (130)
Binary Exploitation
Stonks (20)
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It Is My Birthday (100)
Last modified
1yr ago