Writeups
  • Writeups
  • 2020 Writeups
    • Angstrom
      • Git Good
      • Secret Agents
      • windows of opportunity
      • Califrobnication
      • Patcherman
      • Just Rust
      • No canary
      • WS3
      • Confused Streaming
      • Reasonably Secure Algorithm
      • Defund's Crypt
      • Low-kee
      • Discrete Superlog
      • Wacko Images
      • Shifter
      • Xmas Still Stands
      • Noisy
      • Canary
      • Inputter
      • clam clam clam
      • PSK
      • Taking Off
      • Consolation
      • Wooosh
      • Signal_of_hope
      • One Time Bad
      • Revving up
    • bsidesBOS
      • Binary Exploitation
        • Patches
        • Sea Shells
      • Cryptography
        • Alice and Bob
        • Exodia
        • Fancy Caesar
        • Flag-SP Network
        • Maelstrom
      • Forensics
        • Amnesia
        • Mercury
        • Mobility
        • Patchwork Quilt
        • Spy Cam
      • Misc
        • Tea-mix
        • Swipe
      • Scripting
        • Flushed Revenge
        • Reggae
        • Robot Takeover
      • Steg
        • Dimension 0
        • Saving The World
        • Secret Romance
      • Warmup
        • Give Up
        • Kiddie Pool
        • Play The Harp
        • Where's The Body
        • Baseball
        • Ez Bake Oven
        • Y2K
      • Web
        • Clown Show
        • Yet Another Micro-story Library
    • Crypto CTF
      • Amsterdam
      • One Line Crypto
      • Trailing Bits
      • Gambler
    • Covid19 CTF
      • Sql db 3
      • Web 1 (Something Derpy? Idk)
      • ECB is the best CB
      • Db 2
      • Scouting
    • FWordCTF
      • Pwn
        • Welcome Pwner
        • One Piece Remake
        • Numbers
      • Misc
        • Secret Array
        • Twis Twis Litlle Star
      • Web
        • JAILOO WARMUP
      • Rev
        • Tornado
        • XO
        • Beginner Rev
        • Fibo
      • Crypto
        • Randomness
        • One Part!
        • BDBG
        • Weird RSA
      • OSINT
        • Identity Fraud
      • Bash
        • CapiCapi - bash
      • Forensics
        • NULL
    • Google
      • Reversing
        • Beginner
      • Hardware
        • Basics
      • Crypto
        • Chunk Norris
        • Sharky - Crypto
      • Sandbox
        • Writeonly
    • Hacktivity Con
      • Binary Exploitation
        • Pancakes
        • Statics and Dynamics
        • Space Force
          • Space Force - Binary Exploitation
        • Bullseye
      • Scripting
        • Misdirection
        • Rescue Mission
        • Hashbrown Casserole
        • Flushed
        • Tootsie Pop
      • Crypto
        • OFBuscated
        • Tyrannosaurus Rex
        • Perfect XOR
        • Bon Apettit
        • A E S T H E T I C
      • Steg
        • Cold War
        • substitute face
        • Vencryption
      • Mobile
        • Mobile One
      • Web
        • Lightweight Contact Book
        • Bite
        • Ladybug
      • Forensics
        • Domo Arigato
      • Warm Up
        • Hexgedit
        • Caesar Mirror
        • Internet Cattos
      • Misc
        • Private Investigator
    • Houseplant
      • 11
      • Deep Lyrics
      • Adventure Revisited
      • CH₃COOH
      • Rivest Shamir Adleman
      • Zip-a-dee-doo-dah
      • Pie Generator
      • Ez
      • Groovin and Cubin
      • QR Generator
      • Half
      • Tough
      • Beginner Writeups
      • Spilled Milk
      • Fire-place
      • Survey Writeup: Houseplant 2020
      • Sizzle
      • Post-Homework Death
      • Rainbow vomit
      • Lemon
      • I dont like needles
      • Pz
      • Music Lab
      • Ezoterik
      • Parasite
      • Catography
      • Selfhost all the things!
      • Satan's jigsaw
    • HSCTF
      • Web
        • Broken Tokens
      • Binary Exploitation
        • Pwnagotchi
        • Boredom
      • Reverse Engineering
        • Ice Cream Bytes
        • AP lab: Comp Sci Principles
        • AP Lab: English Language
      • Forensics
        • Meta Mountain
      • Misc
        • My First Calculator
    • NahamConCTF
      • pwn
        • Syrup
        • Conveyor Belt
        • Dangerous
      • Misc
        • Alkatraz
        • Fake File
        • Trapped
        • Awkward
      • Web
        • Official business
        • Localghost
        • Agent-95
        • PHPPhoneBook
        • Time Keeper
      • Osint
        • Tron
      • Crypto
        • Homecooked
        • raspberry
        • docxor
        • Twinning
      • Scripting
        • rotten: caesars
        • Merriam
        • Gnomes
      • poggers
    • Plaid
      • File-system-based strcmp go brrrr
    • RACTF
      • Misc
        • Teleport
        • NS.mov
        • ST.mov
        • Pearl pearl pearl
        • Discord
        • BR.mov
        • Emojasm 2
        • Spentalkux
        • EmojASM
        • Reading Between The Lines
        • Mad CTF Disease
      • OSINT
        • Tree Man
        • Brick by Brick
        • Remote Retreat
        • Suspended Belief
        • Dead Man
        • RAirways
      • Pwn
        • Finches in a Pie
        • Finches in a stack
        • Solved in a flash
        • Puffer Overflow
          • Puffer Overflow
        • Not Really AI
        • A Flash Of Inspiration
          • A Flash of Inspiration
        • Medea
        • Eccentric Encryption Engima
        • Snakes and Ladders
      • Web
        • Entrypoint
        • Admin Attack
        • Collide
        • Baiting
        • Vandalism
        • Quarantine
        • Quarantine - Hidden Information
        • Getting Admin
        • Finding Server Information
        • Insert Witty Name
      • Forensics
        • Access Granted
        • Cut Short
        • Dimensionless Loading
        • Peculiar Packet Capture
        • Disk Forensics Fun
        • A Monster Issue
        • A Musical Mix Up
        • Cheap Facades
      • Crypto
        • B007l3G CRYP70
        • Access=0000
        • B007L36 CRYP70... 4641N
        • Mysterious Masquerading Message.md
        • Really Simple Algorithm
        • Really Speedy Algorithm
        • Really Secret Algorithm
        • 0x Series
        • Really Small Algorithm
    • Redpwn CTF
      • Crypto
        • worst-pw-manager
        • 4k-rsa
        • pseudo-key
        • 12 Shades of Redpwn
        • priminity
        • base646464
        • Alien Transmissions v2
        • itsy bitsy
        • seekrypt
      • Web
        • Panda Facts
        • Static Static Hosting
        • Tux Fanpage
        • Anti textbook
        • Inspector-General
        • Login
        • Static Pastebin
      • Pwn
        • The Library
        • Coffer Overflow
        • Secret Flag
        • Dead Canary
        • Skywriting
      • Rev
        • SmArT-Solver
          • SmArT-Solver
        • Ropes
        • Aall
        • Bubbly
      • Misc
        • CaaSino
        • uglybash
        • Albatross
    • rgbCTF
      • misc
        • ye olde prng
        • Penguins
        • Picking Up The Pieces
        • Differences
        • hallo
        • Adventure
        • insert witty algorithm name here
      • rev|pwn
        • ARM 1
        • LYCH King
        • Time Machine
        • Object Oriented Programming
        • Soda Pop Bop
        • Too Slow
        • sadistic rev 2
        • Advanced Reversing Mechanics 2
        • Sadistic Reversing 1
      • ZTC
        • Ralphie
        • Peepdis
        • Vaporwave1
        • icanhaz
        • vaporwave 3
        • Vaporwave 2
      • web
        • tictactoe
        • type racer
        • keen eye
        • Countdown
        • imitation crab
      • forensics:osint
        • PI 1- Magic in the air
        • Pi 2
        • robins reddit password
        • Space Transmission
        • Insanity Check
      • beginner
        • Joke check
        • A Basic Challenge
        • Pieces
        • Quirky resolution
        • Shoob
        • Name A More Iconic Band
        • fine day
      • crypto
        • Grab your Jisho
        • Shakespeare Play, Lost (and found!)
        • (rgbctf/crypto/e.md)
        • I Love Rainbows
        • Adequate Encryption Standard
        • Occasionally Tested Protocol
        • rubikcbc
        • N-AES
    • Sharky
      • Give away 2
      • Give away 1
      • Give away 0
      • Romance Dawn
      • The hare and the tortoise
    • TJCTF
      • Circus
      • Forensics
        • Cookie Monster
        • Gamer F
        • Ling ling
        • Rap God
        • Hexillology
      • Misc
        • arabfunny
        • TTW
        • Timed
        • Gamer M
        • Zipped up
        • Discord
        • Censorship
        • Jarvis
        • Slicer
      • Reasonably Secure Algorithm
      • Login sequel
      • Seashells
      • Admin secrets
      • Web
        • Sarah Palin Fanpage
        • Circus
        • Login sequel
        • Weak Password
        • Moar Horse 4
        • Gamer W
        • File Viewer
        • Admin secrets
      • Gamer R
      • El primo
      • Crypto
        • home rolled
        • rgbsa
        • difficult decryption
        • Reasonably Secure Algorithm
        • Is this Crypto
        • Titanic
      • Reversing
        • comprehensive2
        • Forwarding
        • Gym
        • ASMR
        • Gamer R
      • Gamer M
      • Sarah Palin Fanpage
      • Zipped up
      • Is this Crypto
      • Pwn
        • OSRS
        • Stop
        • Seashells
        • Cookie Library
        • Tinder
        • El primo
      • Discord
      • Congenial Octo Couscous
      • Titanic
      • Gamer F
      • Censorship
      • Jarvis
      • OSRS
      • Moar Horse 4
      • Weak Password
      • Stop
      • Ling ling
      • Slicer
      • Cookie Library
      • Cookie Monster
      • comprehensive2
      • home rolled
      • Rap God
      • difficult decryption
      • Forwarding
      • rgbsa
      • Gym
      • arabfunny
      • Tinder
      • Timed
      • Gamer W
      • TTW
      • ASMR
      • File Viewer
      • Hexillology
    • Tokyo Westerns CTF
      • sqrt
      • easy-hash
      • Nothing much to see
      • Twin D
    • Zh3r0 CTF
      • Misc
        • Rainbow Hex
        • Find the Covid19 Vaccine
        • Welcome To Phase 2md
        • Welcome To Phase 1
        • Analyse me
        • snakes everywhere
      • Forensics
        • Run Forrest Run
        • PreDestination
        • Snow
          • Snow.md
        • Hidden Music
        • is it a troll???
        • Soundless
        • PreDestination
        • UnRemovable
        • Katycat
        • LSB Fun
        • Good Ol' IE
      • pwn
        • Command1
        • Free flag
        • Help
      • Crypto
        • We are related
        • Dozen Bases
        • Uncipher Me
        • NASA
        • RSA Warmup-Really Small Algorithm
      • Web
        • Web Warmup
        • Google Source Code
      • OSINT
        • NASA
      • Prenote: As all of these challenges were similar, we decided to combine these under one page.
  • 2021 Writeups
    • Union CTF
      • Antistatic
      • Cr0wn Air
      • Human Server
      • Mordell Primes
      • Neo-classical
      • Nutty
      • Why is a raven
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  1. 2020 Writeups
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  3. OSINT

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