x_ref

2nd place

8820 points


Awards


Solves

Challenge Category Value Time
Strcmp Reverse Engineering 25
memcmp Reverse Engineering 50
syscall Reverse Engineering 75
hearts Reverse Engineering 100
malloc Reverse Engineering 200
fork Reverse Engineering 400
Stringy Strings! NCL Fall 2021 Qualifier Challenges 25
The Secret Password NCL Fall 2021 Qualifier Challenges 50
Q2 Trivia 20
Q3 Trivia 40
Q4 Trivia 45
Q5 Trivia 50
Q6 Trivia 60
Q1 Trivia 10
Neo Basic Crypto 50
IT Office Recon NCL Spring 2023 Qualifier Challenges 25
Tommy Tutone NCL Spring 2023 Qualifier Challenges 25
Reading the Network Traffic NCL Spring 2023 Qualifier Challenges 100
Unencrypted Traffic Analysis NCL Spring 2021 Qualifier Challenges 50
Crack-onaw NCL Fall 2023 Qualifier Challenges 25
Bitcoin Vault NCL Fall 2023 Qualifier Challenges 100
Don't Write Down Passwords Recon 25
Grep1 Linux/Scripting 10
Grep2 Linux/Scripting 15
Regex1 Linux/Scripting 50
TestChain Linux/Scripting 75
Nascar Simulator Reverse Engineering 650
I am dead inside The Office 175
Common Modulo RSA Corner 100
Salad Man Classical Cryptography 50
Complicated Classical Cryptography 100
3rd Grade Joke Classical Cryptography 125
Pigpen Classical Cryptography 150
TV Classical Cryptography 175
******* Password Cracking 25
Rock You Like a Hurricane Password Cracking 100
Git Ready to Rumble Misc 35
Stream Misc 60
Terribly Little Security PCAP Forensics 50
Foobar Linux/Scripting 500
Easy Peasy Lemon QR Fear the QR 150
Hidden in Plain Sight Web 30
Shades of Blues PCAP Forensics 250
Event Viewer Basic Forensics 20
Renzik's Case Basic Forensics 20
Redacted Basic Forensics 50
Corrupted Basic Forensics 100
Bigfoot Basic Forensics 150
Atbashish Basic Crypto 100
FLY YOU FOOLS NCL Spring 2023 Qualifier Challenges 50
Null Exploration NCL Spring 2021 Qualifier Challenges 25
Number Shifter NCL Fall 2023 Qualifier Challenges 50
Surfs Up! NCL Fall 2023 Qualifier Challenges 75
what does the fox say NCL Fall 2024 Qualifier Challenges 100
Time Heist Recon 100
Caleb's Key Recon 150
Yara Signature Threat Detection 125
Log Analysis 1 Linux/Scripting 80
Dwight U Ignorant Slut The Office 300
Babushka's Collection of Dolls Fear the QR 300
Binary File Analysis Linux/Scripting 400
Hash (S)linging Slas(H)er (A)ttacks! Fear the QR 350
Single Byte XOR Classical Cryptography 200
C2 Channels Threat Detection 450
VOIP PCAP Forensics 80
Stegosaurus Steganography 60
Stolen Hash NCL Fall 2024 Qualifier Challenges 75
Stuck Inside NCL Fall 2024 Qualifier Challenges 75
'Ol Ricky Steganography 150
So small a thing Steganography 75
Time to decompress Linux/Scripting 100
Obfuscation Sensation Basic Forensics 90
Based God Classical Cryptography 120
Prisoner Classical Cryptography 100
Flippity Classical Cryptography 75
All Around The World Classical Cryptography 200