richyliu

Official

United States

1st place

25700 points


Awards


Solves

Challenge Category Value Time
Welcome to SIGPwny! Welcome 50
SIGPwny Discord Welcome 50
Stack 0 PWN I 100
Stack 1 PWN I 200
Stack 2 PWN I 250
Stack 3 PWN I 300
Stack 4 PWN I 400
Stack 5 PWN I 500
Libc Offsets Vault 0
GOT Overwrite 1 Vault 0
First Command - netcat Welcome 25
bandit00 OverTheWire - bandit 5
Fall 21 Tutorial Meeting Flag Fall 2021 Meeting Flags 50
bandit01 OverTheWire - bandit 5
bandit02 OverTheWire - bandit 5
bandit03 OverTheWire - bandit 5
bandit04 OverTheWire - bandit 5
bandit05 OverTheWire - bandit 10
Shell-Fall2020-Meeting-Flag 0
the-library-1 Fall 2021 Terminal Meeting 50
the-library-2 Fall 2021 Terminal Meeting 50
Fall 2021 Terminal Meeting Flag Fall 2021 Terminal Meeting 50
the-library-3 Fall 2021 Terminal Meeting 50
the-library-4 Fall 2021 Terminal Meeting 50
the-library-5 Fall 2021 Terminal Meeting 100
how2re Fall 2021 Terminal Meeting 50
Meeting Flag - Intro to Web Fall 21 Intro to Web 50
ponysafe 1 Fall 21 Intro to Web 25
ponysafe 2 Fall 21 Intro to Web 50
Inspect Me 1 Fall 21 Intro to Web 25
Inspect Me 2 Fall 21 Intro to Web 25
Inspect Me 3 Fall 21 Intro to Web 25
Inspect Me 4 Fall 21 Intro to Web 25
Inspect Me 5 Fall 21 Intro to Web 25
Inspect Me 7 Fall 21 Intro to Web 25
Path To Success Fall 21 Intro to Web 150
The Source of Your Problems Fall 21 Intro to Web 150
Inspect Me 6 Fall 21 Intro to Web 25
Inspect Me 8 Fall 21 Intro to Web 25
ponysafe 3 Fall 21 Intro to Web 200
Web II Meeting Flag Web II 50
SQL Injection 1 Web II 100
SQL Injection 2 Web II 200
XSS 1 Web II 100
XSS 2 Web II 200
XSS 3 Web II 300
CSAW 2021 Quals Other CTFs 500
Crypto I Meeting Flag Fall 21 Crypto I 50
Caesar Salad Fall 21 Crypto I 50
A Very Special Character Welcome 50
A Very Special Character 2 Welcome 100
It's XOR All The Way Down Fall 21 Crypto I 100
Introduction / Introduction CryptoHack 60
Math God Welcome 250
Vigenère Visionary Fall 21 Crypto I 100
Substitute Teacher Fall 21 Crypto I 100
Format 0 Format Strings 50
Shiny Button Fall 21 Intro to Web 250
SQL Injection 3 Web II 250
Partially Private Pennants Fall 21 Crypto I 200
Eve Offline Fall 21 Crypto I 100
Totient Turmoil Fall 21 Crypto I 150
General / Data Formats CryptoHack 80
General / Encoding CryptoHack 100
General / XOR CryptoHack 100
bandit06 OverTheWire - bandit 10
bandit07 OverTheWire - bandit 10
bandit08 OverTheWire - bandit 10
bandit09 OverTheWire - bandit 10
bandit10 OverTheWire - bandit 15
bandit11 OverTheWire - bandit 15
bandit12 OverTheWire - bandit 15
bandit13 OverTheWire - bandit 15
bandit14 OverTheWire - bandit 15
bandit15 OverTheWire - bandit 20
bandit16 OverTheWire - bandit 20
bandit17 OverTheWire - bandit 20
bandit18 OverTheWire - bandit 20
bandit19 OverTheWire - bandit 20
bandit20 OverTheWire - bandit 25
Natas 0 OverTheWire - Natas 0
Natas 1 OverTheWire - Natas 5
Natas 2 OverTheWire - Natas 5
Natas 3 OverTheWire - Natas 5
Natas 4 OverTheWire - Natas 5
Natas 6 OverTheWire - Natas 10
Natas 5 OverTheWire - Natas 5
Natas 7 OverTheWire - Natas 10
Natas 8 OverTheWire - Natas 10
Natas 9 OverTheWire - Natas 10
Natas 10 OverTheWire - Natas 10
Natas 11 OverTheWire - Natas 15
Don't XOR Twice Fall 21 Crypto I 50
Natas 12 OverTheWire - Natas 15
Natas 13 OverTheWire - Natas 15
Natas 14 OverTheWire - Natas 15
Natas 15 OverTheWire - Natas 15
Natas 16 OverTheWire - Natas 20
Natas 17 OverTheWire - Natas 20
Natas 18 OverTheWire - Natas 20
Natas 19 OverTheWire - Natas 20
Natas 20 OverTheWire - Natas 20
Fall 2021 Initial Feedback Form root 100
General / Mathematics CryptoHack 100
Crypto II Meeting Flag Fall 21 Crypto II 50
Diffie-Hellman God Fall 21 Crypto II 200
Lockpicker Fall 21 Crypto II 500
SQL Injection Extra Credit Web II 50
Go Phish Welcome 100
Bigger Turmoil Fall 21 Crypto II 500
OpSec: Meeting Flag OpSec 100
OpSec: Private Payments OpSec 50
OpSec: Password Manager OpSec 50
OpSec: Enable MFA OpSec 100
OpSec: Signal OpSec 50
OpSec: Upgrade MFA OpSec 50
OpSec: Safe Web OpSec 50
Ethics and Law Meeting Flag Fall 2021 Meeting Flags 50
first_re Reverse Engineering I 50
rot13 Reverse Engineering I 100
debugger Reverse Engineering I 150
irreversible Reverse Engineering I 200
encryption Reverse Engineering I 100
RE I Meeting Flag Reverse Engineering I 50
RE II Meeting Flag Reverse Engineering II 50
angry Reverse Engineering II 200
signals Reverse Engineering II 400
Fall 2021 PWN I Meeting Flag PWN I 50
side channel Reverse Engineering II 300
PWN II Meeting Flag Fall 2021 Meeting Flags 50
hell Reverse Engineering II 800
Fall 2021 Physical Security Meeting Flag Physical Security 50
Clear Lock Physical Security 50
Big Rick Meeting Flag Fall 2021 Meeting Flags 50
Exif Forensics Fall 2021 50
Forensics Fall 2021 Meeting Flag Forensics Fall 2021 50
openme! Forensics Fall 2021 50
xxd lmao Forensics Fall 2021 50
lsb Forensics Fall 2021 100
File Transfer Fall 2021 Networking 300
Livestream Fail Fall 2021 Networking 400
merch form root 50
FA21 OSINT I Meeting Flag Fall 2021 OSINT 50
OSINT: Reddit 1 (START HERE) Fall 2021 OSINT 50
OSINT: Reddit 3 Fall 2021 OSINT 50
OSINT: Reddit 2 Fall 2021 OSINT 50
OSINT: Twitter 1 Fall 2021 OSINT 50
Elgamal Oracle Fall 21 Crypto II 500
FA21 Networking Meeting Flag Fall 2021 Networking 50
Layer 2 Fall 2021 Networking 30
Layer 3 Fall 2021 Networking 50
Layer 4 Fall 2021 Networking 50
Layer 1 Fall 2021 Networking 30
Layer 6 Fall 2021 Networking 75
Layer 7 Fall 2021 Networking 75
Pool 1 Fall 2021 Networking 100
Fall 2021 OSINT II Meeting Flag Fall 2021 Meeting Flags 50
Fall 2021 Wireless Security Flag Fall 2021 Meeting Flags 50
Fall 2021 Recursive Meeting Flags Fall 2021 Meeting Flags 50
Discord New Feature? Forensics Fall 2021 50
Pool 2 Fall 2021 Networking 400
Java Meeting Flag Java Reverse Engineering 50
Java Reversing 1 Java Reverse Engineering 50
Java Reversing 1.5 Java Reverse Engineering 100
Java Reversing 2 Java Reverse Engineering 150
Java Reversing 3 Java Reverse Engineering 200
Java Reversing 4 Java Reverse Engineering 400
Ram dump Forensics Fall 2021 200
toobeetootee Fall 2021 Networking 800
Fall 2021 Mobile Security Meeting Flag Fall 2021 Meeting Flags 50
Fall 2021 End of Semester Feedback root 50
OSINT: Twitter 2 Fall 2021 OSINT 50
OSINT: Instagram 1 Fall 2021 OSINT 50
OSINT: Instagram 2 Fall 2021 OSINT 50
OSINT: Instagram 3 Fall 2021 OSINT 50
ROP Meeting Flag ROP 50
Intro ROP ROP 200
Libc ROP ROP 400
bruh 💀💀💀 ROP 1000
Format String Quiz Format Strings 50
Meeting Flag Format Strings 50
printf read Format Strings 100
DiceCTF 2022 Other CTFs 500
Log4J Meeting Flag Log4J 50
Minecraft Pwn Log4J 500
RSA Gauntlet 1 RSA 200
Meeting Flag RSA 50
RSA Gauntlet 2 RSA 300
RSA Gauntlet 3 RSA 400
RSA Gauntlet 4 RSA 500
Meeting Flag Python Jails 50
Jail 0 Python Jails 50
Jail 0.5 Python Jails 50
Jail 0.75 Python Jails 50
Jail 1 Python Jails 50
Jail 2 Python Jails 100
Jail 3 Python Jails 200
Jail 4 Python Jails 200
Jail 5 Python Jails 400
Jail 6 Python Jails 600
IOT Meeting Flag Spring 2022 Meeting Flags 50
Meeting Flag Windows Environments 50
HINSTANCE Windows Environments 100
File Attribute Windows Environments 200
printf Windows Environments 100
First Call Windows Environments 300
Environment Windows Environments 300
Meeting Flag Intro to Crypto Math 50
printf write Format Strings 300
Meeting Flag Pentesting 50
Generate MD5 Hash Password Cracking 50
Anakin's PC Password Cracking 75
Meeting Flag Password Cracking 50
Hashcat 1 Password Cracking 100
Crack PDF Password Cracking 250
Hashcat 2 Password Cracking 300
Lattice Meeting Flag Cryptography For Mathematics II 50
Meeting Flag AI Hacking 50
Heap 0- Baby UaF Vault 0
Heap 1- Easy UaF Vault 0
Heap 2- Medium UaF Vault 0
Heap 3- Double Free Vault 0
bash jail 0 - sanity check Vault 0
bash jail 1 Vault 0
Ouroboros Vault 0