# 2020 Writeups

- [Angstrom](/writeups/2020-writeups/angstrom.md)
- [Git Good](/writeups/2020-writeups/angstrom/git-good.md)
- [Secret Agents](/writeups/2020-writeups/angstrom/secret-agents.md)
- [windows of opportunity](/writeups/2020-writeups/angstrom/windows-of-opportunity.md)
- [Califrobnication](/writeups/2020-writeups/angstrom/califrobnication.md)
- [Patcherman](/writeups/2020-writeups/angstrom/patcherman.md)
- [Just Rust](/writeups/2020-writeups/angstrom/just-rust.md)
- [No canary](/writeups/2020-writeups/angstrom/no-canary.md)
- [WS3](/writeups/2020-writeups/angstrom/ws3.md)
- [Confused Streaming](/writeups/2020-writeups/angstrom/confused-streaming.md)
- [Reasonably Secure Algorithm](/writeups/2020-writeups/angstrom/reasonably-secure-algorithm.md)
- [Defund's Crypt](/writeups/2020-writeups/angstrom/defunds-crypt.md)
- [Low-kee](/writeups/2020-writeups/angstrom/low-kee.md)
- [Discrete Superlog](/writeups/2020-writeups/angstrom/discrete-superlog.md)
- [Wacko Images](/writeups/2020-writeups/angstrom/wacko-images.md)
- [Shifter](/writeups/2020-writeups/angstrom/shifter.md)
- [Xmas Still Stands](/writeups/2020-writeups/angstrom/xmas-still-stands.md)
- [Noisy](/writeups/2020-writeups/angstrom/noisy.md)
- [Canary](/writeups/2020-writeups/angstrom/canary.md)
- [Inputter](/writeups/2020-writeups/angstrom/inputter.md)
- [clam clam clam](/writeups/2020-writeups/angstrom/clam-clam-clam.md)
- [PSK](/writeups/2020-writeups/angstrom/psk.md)
- [Taking Off](/writeups/2020-writeups/angstrom/taking-off.md)
- [Consolation](/writeups/2020-writeups/angstrom/consolation.md)
- [Wooosh](/writeups/2020-writeups/angstrom/wooosh.md)
- [Signal\_of\_hope](/writeups/2020-writeups/angstrom/signal_of_hope.md)
- [One Time Bad](/writeups/2020-writeups/angstrom/one-time-bad.md)
- [Revving up](/writeups/2020-writeups/angstrom/revving-up.md)
- [bsidesBOS](/writeups/2020-writeups/bsidesbos.md)
- [Binary Exploitation](/writeups/2020-writeups/bsidesbos/binary-exploitation.md)
- [Patches](/writeups/2020-writeups/bsidesbos/binary-exploitation/patches.md)
- [Sea Shells](/writeups/2020-writeups/bsidesbos/binary-exploitation/sea-shells.md)
- [Cryptography](/writeups/2020-writeups/bsidesbos/cryptography.md)
- [Alice and Bob](/writeups/2020-writeups/bsidesbos/cryptography/alice-and-bob.md)
- [Exodia](/writeups/2020-writeups/bsidesbos/cryptography/exodia.md)
- [Fancy Caesar](/writeups/2020-writeups/bsidesbos/cryptography/fancy-caesar.md)
- [Flag-SP Network](/writeups/2020-writeups/bsidesbos/cryptography/flag-sp-network.md)
- [Maelstrom](/writeups/2020-writeups/bsidesbos/cryptography/maelstrom.md)
- [Forensics](/writeups/2020-writeups/bsidesbos/forensics.md)
- [Amnesia](/writeups/2020-writeups/bsidesbos/forensics/amnesia.md)
- [Mercury](/writeups/2020-writeups/bsidesbos/forensics/mercury.md)
- [Mobility](/writeups/2020-writeups/bsidesbos/forensics/mobility.md)
- [Patchwork Quilt](/writeups/2020-writeups/bsidesbos/forensics/patchwork-quilt.md)
- [Spy Cam](/writeups/2020-writeups/bsidesbos/forensics/spy-cam.md)
- [Misc](/writeups/2020-writeups/bsidesbos/misc.md)
- [Tea-mix](/writeups/2020-writeups/bsidesbos/misc/tea-mix.md)
- [Swipe](/writeups/2020-writeups/bsidesbos/misc/swipe.md)
- [Scripting](/writeups/2020-writeups/bsidesbos/scripting.md)
- [Flushed Revenge](/writeups/2020-writeups/bsidesbos/scripting/flushed-revenge.md)
- [Reggae](/writeups/2020-writeups/bsidesbos/scripting/reggae.md)
- [Robot Takeover](/writeups/2020-writeups/bsidesbos/scripting/robot-takeover.md)
- [Steg](/writeups/2020-writeups/bsidesbos/steg.md)
- [Dimension 0](/writeups/2020-writeups/bsidesbos/steg/dimension-0.md)
- [Saving The World](/writeups/2020-writeups/bsidesbos/steg/saving-the-world.md)
- [Secret Romance](/writeups/2020-writeups/bsidesbos/steg/secret-romance.md)
- [Warmup](/writeups/2020-writeups/bsidesbos/warmup.md)
- [Give Up](/writeups/2020-writeups/bsidesbos/warmup/give-up.md)
- [Kiddie Pool](/writeups/2020-writeups/bsidesbos/warmup/kiddie-pool.md)
- [Play The Harp](/writeups/2020-writeups/bsidesbos/warmup/play-the-harp.md)
- [Where's The Body](/writeups/2020-writeups/bsidesbos/warmup/wheres-the-body.md)
- [Baseball](/writeups/2020-writeups/bsidesbos/warmup/baseball.md)
- [Ez Bake Oven](/writeups/2020-writeups/bsidesbos/warmup/ez-bake-oven.md)
- [Y2K](/writeups/2020-writeups/bsidesbos/warmup/y2k.md)
- [Web](/writeups/2020-writeups/bsidesbos/web.md)
- [Clown Show](/writeups/2020-writeups/bsidesbos/web/clown-show.md)
- [Yet Another Micro-story Library](/writeups/2020-writeups/bsidesbos/web/yet-another-micro-story-library.md)
- [Crypto CTF](/writeups/2020-writeups/crypto-ctf.md)
- [Amsterdam](/writeups/2020-writeups/crypto-ctf/amsterdam.md)
- [One Line Crypto](/writeups/2020-writeups/crypto-ctf/one-line-crypto.md)
- [Trailing Bits](/writeups/2020-writeups/crypto-ctf/trailing-bits.md)
- [Gambler](/writeups/2020-writeups/crypto-ctf/gambler.md)
- [Covid19 CTF](/writeups/2020-writeups/covid19.md)
- [Sql db 3](/writeups/2020-writeups/covid19/sql-db-3.md)
- [Web 1 (Something Derpy? Idk)](/writeups/2020-writeups/covid19/web-1-something-derpy-idk.md)
- [ECB is the best CB](/writeups/2020-writeups/covid19/ecb-is-the-best-cb.md)
- [Db 2](/writeups/2020-writeups/covid19/db-2.md)
- [Scouting](/writeups/2020-writeups/covid19/scouting.md)
- [FWordCTF](/writeups/2020-writeups/fwordctf.md)
- [Pwn](/writeups/2020-writeups/fwordctf/pwn.md)
- [Welcome Pwner](/writeups/2020-writeups/fwordctf/pwn/welcome-pwner.md)
- [One Piece Remake](/writeups/2020-writeups/fwordctf/pwn/one-piece-remake.md)
- [Numbers](/writeups/2020-writeups/fwordctf/pwn/numbers.md)
- [Misc](/writeups/2020-writeups/fwordctf/misc.md)
- [Secret Array](/writeups/2020-writeups/fwordctf/misc/secret-array.md)
- [Twis Twis Litlle Star](/writeups/2020-writeups/fwordctf/misc/twis-twis-litlle-star.md)
- [Web](/writeups/2020-writeups/fwordctf/web.md)
- [JAILOO WARMUP](/writeups/2020-writeups/fwordctf/web/jailoo-warmup.md)
- [Rev](/writeups/2020-writeups/fwordctf/rev.md)
- [Tornado](/writeups/2020-writeups/fwordctf/rev/tornado.md)
- [XO](/writeups/2020-writeups/fwordctf/rev/xo.md)
- [Beginner Rev](/writeups/2020-writeups/fwordctf/rev/beginner-rev.md)
- [Fibo](/writeups/2020-writeups/fwordctf/rev/fibo.md)
- [Crypto](/writeups/2020-writeups/fwordctf/crypto.md)
- [Randomness](/writeups/2020-writeups/fwordctf/crypto/randomness.md)
- [One Part!](/writeups/2020-writeups/fwordctf/crypto/one-part.md)
- [BDBG](/writeups/2020-writeups/fwordctf/crypto/bdbg.md)
- [Weird RSA](/writeups/2020-writeups/fwordctf/crypto/weird-rsa.md)
- [OSINT](/writeups/2020-writeups/fwordctf/osint.md)
- [Identity Fraud](/writeups/2020-writeups/fwordctf/osint/identity-fraud.md)
- [Bash](/writeups/2020-writeups/fwordctf/bash.md)
- [CapiCapi - bash](/writeups/2020-writeups/fwordctf/bash/capi-capi.md)
- [Forensics](/writeups/2020-writeups/fwordctf/forensics.md)
- [NULL](/writeups/2020-writeups/fwordctf/forensics/null.md)
- [Google](/writeups/2020-writeups/google.md)
- [Reversing](/writeups/2020-writeups/google/reversing.md)
- [Beginner](/writeups/2020-writeups/google/reversing/beginner.md)
- [Hardware](/writeups/2020-writeups/google/hardware.md)
- [Basics](/writeups/2020-writeups/google/hardware/basics.md)
- [Crypto](/writeups/2020-writeups/google/crypto.md)
- [Chunk Norris](/writeups/2020-writeups/google/crypto/chunk-norris.md)
- [Sharky - Crypto](/writeups/2020-writeups/google/crypto/sharky.md)
- [Sandbox](/writeups/2020-writeups/google/sandbox.md)
- [Writeonly](/writeups/2020-writeups/google/sandbox/writeonly.md)
- [Hacktivity Con](/writeups/2020-writeups/hacktivity-con.md)
- [Binary Exploitation](/writeups/2020-writeups/hacktivity-con/binary-exploitation.md)
- [Pancakes](/writeups/2020-writeups/hacktivity-con/binary-exploitation/pancakes.md)
- [Statics and Dynamics](/writeups/2020-writeups/hacktivity-con/binary-exploitation/statics-and-dynamics.md)
- [Space Force](/writeups/2020-writeups/hacktivity-con/binary-exploitation/space-force.md)
- [Space Force - Binary Exploitation](/writeups/2020-writeups/hacktivity-con/binary-exploitation/space-force/writeup.md)
- [Bullseye](/writeups/2020-writeups/hacktivity-con/binary-exploitation/bullseye.md)
- [Scripting](/writeups/2020-writeups/hacktivity-con/scripting.md)
- [Misdirection](/writeups/2020-writeups/hacktivity-con/scripting/misdirection.md)
- [Rescue Mission](/writeups/2020-writeups/hacktivity-con/scripting/rescue-mission.md)
- [Hashbrown Casserole](/writeups/2020-writeups/hacktivity-con/scripting/hashbrown-casserole.md)
- [Flushed](/writeups/2020-writeups/hacktivity-con/scripting/flushed.md)
- [Tootsie Pop](/writeups/2020-writeups/hacktivity-con/scripting/tootsie-pop.md)
- [Crypto](/writeups/2020-writeups/hacktivity-con/crypto.md)
- [OFBuscated](/writeups/2020-writeups/hacktivity-con/crypto/ofbuscated.md)
- [Tyrannosaurus Rex](/writeups/2020-writeups/hacktivity-con/crypto/tyrannosaurus-rex.md)
- [Perfect XOR](/writeups/2020-writeups/hacktivity-con/crypto/perfect-xor.md)
- [Bon Apettit](/writeups/2020-writeups/hacktivity-con/crypto/bon-apettit.md)
- [A E S T H E T I C](/writeups/2020-writeups/hacktivity-con/crypto/a-e-s-t-h-e-t-i-c.md)
- [Steg](/writeups/2020-writeups/hacktivity-con/steg.md)
- [Cold War](/writeups/2020-writeups/hacktivity-con/steg/cold-war.md)
- [substitute face](/writeups/2020-writeups/hacktivity-con/steg/substitute-face.md)
- [Vencryption](/writeups/2020-writeups/hacktivity-con/steg/vencryption.md)
- [Mobile](/writeups/2020-writeups/hacktivity-con/mobile.md)
- [Mobile One](/writeups/2020-writeups/hacktivity-con/mobile/mobile-one.md)
- [Web](/writeups/2020-writeups/hacktivity-con/web.md)
- [Lightweight Contact Book](/writeups/2020-writeups/hacktivity-con/web/lightweight-contact-book.md)
- [Bite](/writeups/2020-writeups/hacktivity-con/web/bite.md)
- [Ladybug](/writeups/2020-writeups/hacktivity-con/web/ladybug.md)
- [Forensics](/writeups/2020-writeups/hacktivity-con/forensics.md)
- [Domo Arigato](/writeups/2020-writeups/hacktivity-con/forensics/domo-arigato.md)
- [Warm Up](/writeups/2020-writeups/hacktivity-con/warm-up.md)
- [Hexgedit](/writeups/2020-writeups/hacktivity-con/warm-up/hexgedit.md)
- [Caesar Mirror](/writeups/2020-writeups/hacktivity-con/warm-up/caesar-mirror.md)
- [Internet Cattos](/writeups/2020-writeups/hacktivity-con/warm-up/internet-cattos.md)
- [Misc](/writeups/2020-writeups/hacktivity-con/misc.md)
- [Private Investigator](/writeups/2020-writeups/hacktivity-con/misc/private-investigator.md)
- [Houseplant](/writeups/2020-writeups/houseplant.md)
- [11](/writeups/2020-writeups/houseplant/11.md)
- [Deep Lyrics](/writeups/2020-writeups/houseplant/deep-lyrics.md)
- [Adventure Revisited](/writeups/2020-writeups/houseplant/adventure-revisited.md)
- [CH₃COOH](/writeups/2020-writeups/houseplant/ch-cooh.md)
- [Rivest Shamir Adleman](/writeups/2020-writeups/houseplant/rivest-shamir-adleman.md)
- [Zip-a-dee-doo-dah](/writeups/2020-writeups/houseplant/zip-a-dee-doo-dah.md)
- [Pie Generator](/writeups/2020-writeups/houseplant/pie-generator.md)
- [Ez](/writeups/2020-writeups/houseplant/ez.md)
- [Groovin and Cubin](/writeups/2020-writeups/houseplant/groovin-and-cubin.md)
- [QR Generator](/writeups/2020-writeups/houseplant/qr-generator.md)
- [Half](/writeups/2020-writeups/houseplant/half.md)
- [Tough](/writeups/2020-writeups/houseplant/tough.md)
- [Beginner Writeups](/writeups/2020-writeups/houseplant/beginner.md)
- [Spilled Milk](/writeups/2020-writeups/houseplant/spilled-milk.md)
- [Fire-place](/writeups/2020-writeups/houseplant/fire-place.md)
- [Survey Writeup: Houseplant 2020](/writeups/2020-writeups/houseplant/survey-writeup-houseplant-2020.md)
- [Sizzle](/writeups/2020-writeups/houseplant/sizzle.md)
- [Post-Homework Death](/writeups/2020-writeups/houseplant/post-homework-death.md)
- [Rainbow vomit](/writeups/2020-writeups/houseplant/rainbow-vomit.md)
- [Lemon](/writeups/2020-writeups/houseplant/lemon.md)
- [I dont like needles](/writeups/2020-writeups/houseplant/i-dont-like-needles.md)
- [Pz](/writeups/2020-writeups/houseplant/pz.md)
- [Music Lab](/writeups/2020-writeups/houseplant/music-lab.md)
- [Ezoterik](/writeups/2020-writeups/houseplant/ezoterik.md)
- [Parasite](/writeups/2020-writeups/houseplant/parasite.md)
- [Catography](/writeups/2020-writeups/houseplant/catography.md)
- [Selfhost all the things!](/writeups/2020-writeups/houseplant/selfhost-all-the-things.md)
- [Satan's jigsaw](/writeups/2020-writeups/houseplant/satans-jigsaw.md)
- [HSCTF](/writeups/2020-writeups/hsctf.md)
- [Web](/writeups/2020-writeups/hsctf/web.md)
- [Broken Tokens](/writeups/2020-writeups/hsctf/web/broken-tokens.md)
- [Binary Exploitation](/writeups/2020-writeups/hsctf/binary-exploitation.md)
- [Pwnagotchi](/writeups/2020-writeups/hsctf/binary-exploitation/pwnagotchi.md)
- [Boredom](/writeups/2020-writeups/hsctf/binary-exploitation/boredom.md)
- [Reverse Engineering](/writeups/2020-writeups/hsctf/reverse-engineering.md)
- [Ice Cream Bytes](/writeups/2020-writeups/hsctf/reverse-engineering/ice-cream-bytes.md)
- [AP lab: Comp Sci Principles](/writeups/2020-writeups/hsctf/reverse-engineering/ap-lab-comp-sci-principles.md)
- [AP Lab: English Language](/writeups/2020-writeups/hsctf/reverse-engineering/ap-lab-english-language.md)
- [Forensics](/writeups/2020-writeups/hsctf/forensics.md)
- [Meta Mountain](/writeups/2020-writeups/hsctf/forensics/meta-mountain.md)
- [Misc](/writeups/2020-writeups/hsctf/misc.md)
- [My First Calculator](/writeups/2020-writeups/hsctf/misc/my-first-calculator.md)
- [NahamConCTF](/writeups/2020-writeups/nahamconctf.md)
- [pwn](/writeups/2020-writeups/nahamconctf/pwn.md)
- [Syrup](/writeups/2020-writeups/nahamconctf/pwn/syrup.md)
- [Conveyor Belt](/writeups/2020-writeups/nahamconctf/pwn/conveyor-belt.md)
- [Dangerous](/writeups/2020-writeups/nahamconctf/pwn/dangerous.md)
- [Misc](/writeups/2020-writeups/nahamconctf/misc.md)
- [Alkatraz](/writeups/2020-writeups/nahamconctf/misc/alkatraz.md)
- [Fake File](/writeups/2020-writeups/nahamconctf/misc/fake-file.md)
- [Trapped](/writeups/2020-writeups/nahamconctf/misc/trapped.md)
- [Awkward](/writeups/2020-writeups/nahamconctf/misc/awkward.md)
- [Web](/writeups/2020-writeups/nahamconctf/web.md)
- [Official business](/writeups/2020-writeups/nahamconctf/web/official-business.md)
- [Localghost](/writeups/2020-writeups/nahamconctf/web/localghost.md)
- [Agent-95](/writeups/2020-writeups/nahamconctf/web/agent-95.md)
- [PHPPhoneBook](/writeups/2020-writeups/nahamconctf/web/phpphonebook.md)
- [Time Keeper](/writeups/2020-writeups/nahamconctf/web/time-keeper.md)
- [Osint](/writeups/2020-writeups/nahamconctf/osint.md)
- [Tron](/writeups/2020-writeups/nahamconctf/osint/tron.md)
- [Crypto](/writeups/2020-writeups/nahamconctf/crypto.md)
- [Homecooked](/writeups/2020-writeups/nahamconctf/crypto/homecooked.md)
- [raspberry](/writeups/2020-writeups/nahamconctf/crypto/raspberry.md)
- [docxor](/writeups/2020-writeups/nahamconctf/crypto/docxor.md)
- [Twinning](/writeups/2020-writeups/nahamconctf/crypto/twinning.md)
- [Scripting](/writeups/2020-writeups/nahamconctf/scripting.md)
- [rotten: caesars](/writeups/2020-writeups/nahamconctf/scripting/rotten-caesars.md)
- [Merriam](/writeups/2020-writeups/nahamconctf/scripting/merriam.md)
- [Gnomes](/writeups/2020-writeups/nahamconctf/scripting/gnomes.md)
- [poggers](/writeups/2020-writeups/nahamconctf/poggers.md)
- [Plaid](/writeups/2020-writeups/plaid.md)
- [File-system-based strcmp go brrrr](/writeups/2020-writeups/plaid/file-system-based-strcmp-go-brrrr.md)
- [RACTF](/writeups/2020-writeups/ractf.md)
- [Misc](/writeups/2020-writeups/ractf/misc.md)
- [Teleport](/writeups/2020-writeups/ractf/misc/teleport.md)
- [NS.mov](/writeups/2020-writeups/ractf/misc/ns.mov.md)
- [ST.mov](/writeups/2020-writeups/ractf/misc/st.mov.md)
- [Pearl pearl pearl](/writeups/2020-writeups/ractf/misc/pearl-pearl-pearl.md)
- [Discord](/writeups/2020-writeups/ractf/misc/discord.md)
- [BR.mov](/writeups/2020-writeups/ractf/misc/br.mov.md)
- [Emojasm 2](/writeups/2020-writeups/ractf/misc/emojasm-2.md)
- [Spentalkux](/writeups/2020-writeups/ractf/misc/spentalkux.md)
- [EmojASM](/writeups/2020-writeups/ractf/misc/emojiasm.md)
- [Reading Between The Lines](/writeups/2020-writeups/ractf/misc/reading-between-the-lines.md)
- [Mad CTF Disease](/writeups/2020-writeups/ractf/misc/mad-ctf-disease.md)
- [OSINT](/writeups/2020-writeups/ractf/osint.md)
- [Tree Man](/writeups/2020-writeups/ractf/osint/tree-man.md)
- [Brick by Brick](/writeups/2020-writeups/ractf/osint/brick-by-brick.md)
- [Remote Retreat](/writeups/2020-writeups/ractf/osint/remote-retreat.md)
- [Suspended Belief](/writeups/2020-writeups/ractf/osint/suspended-belief.md)
- [Dead Man](/writeups/2020-writeups/ractf/osint/dead-man.md)
- [RAirways](/writeups/2020-writeups/ractf/osint/rairways.md)
- [Pwn](/writeups/2020-writeups/ractf/pwn.md)
- [Finches in a Pie](/writeups/2020-writeups/ractf/pwn/finches-in-a-pie.md)
- [Finches in a stack](/writeups/2020-writeups/ractf/pwn/finches-in-a-stack.md)
- [Solved in a flash](/writeups/2020-writeups/ractf/pwn/solved-in-a-flash.md)
- [Puffer Overflow](/writeups/2020-writeups/ractf/pwn/puffer-overflow.md)
- [Puffer Overflow](/writeups/2020-writeups/ractf/pwn/puffer-overflow/puffer-overflow.md)
- [Not Really AI](/writeups/2020-writeups/ractf/pwn/not-really-ai.md)
- [A Flash Of Inspiration](/writeups/2020-writeups/ractf/pwn/a-flash-of-inspiration.md)
- [A Flash of Inspiration](/writeups/2020-writeups/ractf/pwn/a-flash-of-inspiration/a-flash-of-inspiration.md)
- [Medea](/writeups/2020-writeups/ractf/pwn/medea.md)
- [Eccentric Encryption Engima](/writeups/2020-writeups/ractf/pwn/eccentric-encryption-enigma.md)
- [Snakes and Ladders](/writeups/2020-writeups/ractf/pwn/snakes-and-ladders.md)
- [Web](/writeups/2020-writeups/ractf/web.md)
- [Entrypoint](/writeups/2020-writeups/ractf/web/entrypoint.md)
- [Admin Attack](/writeups/2020-writeups/ractf/web/admin-attack.md)
- [Collide](/writeups/2020-writeups/ractf/web/collide.md)
- [Baiting](/writeups/2020-writeups/ractf/web/baiting.md)
- [Vandalism](/writeups/2020-writeups/ractf/web/vandalism.md)
- [Quarantine](/writeups/2020-writeups/ractf/web/quarantine.md)
- [Quarantine - Hidden Information](/writeups/2020-writeups/ractf/web/quarantine-hidden-information.md)
- [Getting Admin](/writeups/2020-writeups/ractf/web/getting-admin.md)
- [Finding Server Information](/writeups/2020-writeups/ractf/web/finding-server-information.md)
- [Insert Witty Name](/writeups/2020-writeups/ractf/web/insert-witty-name.md)
- [Forensics](/writeups/2020-writeups/ractf/forensics.md)
- [Access Granted](/writeups/2020-writeups/ractf/forensics/access-granted.md)
- [Cut Short](/writeups/2020-writeups/ractf/forensics/cut-short.md)
- [Dimensionless Loading](/writeups/2020-writeups/ractf/forensics/dimensionless-loading.md)
- [Peculiar Packet Capture](/writeups/2020-writeups/ractf/forensics/peculiar-packet-capture.md)
- [Disk Forensics Fun](/writeups/2020-writeups/ractf/forensics/disk-forensics-fun.md)
- [A Monster Issue](/writeups/2020-writeups/ractf/forensics/a-monster-issue.md)
- [A Musical Mix Up](/writeups/2020-writeups/ractf/forensics/a-musical-mix-up.md)
- [Cheap Facades](/writeups/2020-writeups/ractf/forensics/cheap-facades.md)
- [Crypto](/writeups/2020-writeups/ractf/crypto.md)
- [B007l3G CRYP70](/writeups/2020-writeups/ractf/crypto/b007l3g-cryp70.md)
- [Access=0000](/writeups/2020-writeups/ractf/crypto/access-0000.md)
- [B007L36 CRYP70... 4641N](/writeups/2020-writeups/ractf/crypto/b007l36-cryp70...-4641n.md)
- [Mysterious Masquerading Message.md](/writeups/2020-writeups/ractf/crypto/mysterious-masquerading-message.md)
- [Really Simple Algorithm](/writeups/2020-writeups/ractf/crypto/really-simple-algorithm.md)
- [Really Speedy Algorithm](/writeups/2020-writeups/ractf/crypto/really-speedy-algorithm.md)
- [Really Secret Algorithm](/writeups/2020-writeups/ractf/crypto/really-secret-algorithm.md)
- [0x Series](/writeups/2020-writeups/ractf/crypto/0x-series.md)
- [Really Small Algorithm](/writeups/2020-writeups/ractf/crypto/really-small-algorithm.md)
- [Redpwn CTF](/writeups/2020-writeups/redpwn-ctf.md)
- [Crypto](/writeups/2020-writeups/redpwn-ctf/crypto.md)
- [worst-pw-manager](/writeups/2020-writeups/redpwn-ctf/crypto/worst-pw-manager.md)
- [4k-rsa](/writeups/2020-writeups/redpwn-ctf/crypto/4k-rsa.md)
- [pseudo-key](/writeups/2020-writeups/redpwn-ctf/crypto/pseudo-key.md)
- [12 Shades of Redpwn](/writeups/2020-writeups/redpwn-ctf/crypto/12-shades-of-redpwn.md)
- [priminity](/writeups/2020-writeups/redpwn-ctf/crypto/priminity.md)
- [base646464](/writeups/2020-writeups/redpwn-ctf/crypto/base646464.md)
- [Alien Transmissions v2](/writeups/2020-writeups/redpwn-ctf/crypto/alien-transmissions-v2.md)
- [itsy bitsy](/writeups/2020-writeups/redpwn-ctf/crypto/itsy-bitsy.md)
- [seekrypt](/writeups/2020-writeups/redpwn-ctf/crypto/eekrypt.md)
- [Web](/writeups/2020-writeups/redpwn-ctf/web.md)
- [Panda Facts](/writeups/2020-writeups/redpwn-ctf/web/panda-facts.md)
- [Static Static Hosting](/writeups/2020-writeups/redpwn-ctf/web/static-static-hosting.md)
- [Tux Fanpage](/writeups/2020-writeups/redpwn-ctf/web/tux-fanpage.md)
- [Anti textbook](/writeups/2020-writeups/redpwn-ctf/web/anti-textbook.md)
- [Inspector-General](/writeups/2020-writeups/redpwn-ctf/web/inspector-general.md)
- [Login](/writeups/2020-writeups/redpwn-ctf/web/login.md)
- [Static Pastebin](/writeups/2020-writeups/redpwn-ctf/web/static-pastebin.md)
- [Pwn](/writeups/2020-writeups/redpwn-ctf/pwn.md)
- [The Library](/writeups/2020-writeups/redpwn-ctf/pwn/the-library.md)
- [Coffer Overflow](/writeups/2020-writeups/redpwn-ctf/pwn/coffer-overflow.md)
- [Secret Flag](/writeups/2020-writeups/redpwn-ctf/pwn/secret-flag.md)
- [Dead Canary](/writeups/2020-writeups/redpwn-ctf/pwn/dead-canary.md)
- [Skywriting](/writeups/2020-writeups/redpwn-ctf/pwn/skywriting.md)
- [Rev](/writeups/2020-writeups/redpwn-ctf/rev.md)
- [SmArT-Solver](/writeups/2020-writeups/redpwn-ctf/rev/smart-solver.md)
- [SmArT-Solver](/writeups/2020-writeups/redpwn-ctf/rev/smart-solver/smart-solver.md)
- [Ropes](/writeups/2020-writeups/redpwn-ctf/rev/ropes.md)
- [Aall](/writeups/2020-writeups/redpwn-ctf/rev/aall.md)
- [Bubbly](/writeups/2020-writeups/redpwn-ctf/rev/bubbly.md)
- [Misc](/writeups/2020-writeups/redpwn-ctf/misc.md)
- [CaaSino](/writeups/2020-writeups/redpwn-ctf/misc/caasino.md)
- [uglybash](/writeups/2020-writeups/redpwn-ctf/misc/uglybash.md)
- [Albatross](/writeups/2020-writeups/redpwn-ctf/misc/albatross.md)
- [rgbCTF](/writeups/2020-writeups/rgbctf.md)
- [misc](/writeups/2020-writeups/rgbctf/misc.md)
- [ye olde prng](/writeups/2020-writeups/rgbctf/misc/ye-olde-prng.md)
- [Penguins](/writeups/2020-writeups/rgbctf/misc/penguins.md)
- [Picking Up The Pieces](/writeups/2020-writeups/rgbctf/misc/picking-up-the-pieces.md)
- [Differences](/writeups/2020-writeups/rgbctf/misc/differences.md)
- [hallo](/writeups/2020-writeups/rgbctf/misc/hallo.md)
- [Adventure](/writeups/2020-writeups/rgbctf/misc/adventure.md)
- [insert witty algorithm name here](/writeups/2020-writeups/rgbctf/misc/insert-witty-algorithm-name-here.md)
- [rev|pwn](/writeups/2020-writeups/rgbctf/rev-or-pwn.md)
- [ARM 1](/writeups/2020-writeups/rgbctf/rev-or-pwn/arm-1.md)
- [LYCH King](/writeups/2020-writeups/rgbctf/rev-or-pwn/lych-king.md)
- [Time Machine](/writeups/2020-writeups/rgbctf/rev-or-pwn/time-machine.md)
- [Object Oriented Programming](/writeups/2020-writeups/rgbctf/rev-or-pwn/object-oriented-programming.md)
- [Soda Pop Bop](/writeups/2020-writeups/rgbctf/rev-or-pwn/soda-pop-bop.md)
- [Too Slow](/writeups/2020-writeups/rgbctf/rev-or-pwn/too-slow.md)
- [sadistic rev 2](/writeups/2020-writeups/rgbctf/rev-or-pwn/sadistic-rev-2.md)
- [Advanced Reversing Mechanics 2](/writeups/2020-writeups/rgbctf/rev-or-pwn/advanced-reversing-mechanics-2.md)
- [Sadistic Reversing 1](/writeups/2020-writeups/rgbctf/rev-or-pwn/sadistic-reversing-1.md)
- [ZTC](/writeups/2020-writeups/rgbctf/ztc.md)
- [Ralphie](/writeups/2020-writeups/rgbctf/ztc/ralphie.md)
- [Peepdis](/writeups/2020-writeups/rgbctf/ztc/peepdis.md)
- [Vaporwave1](/writeups/2020-writeups/rgbctf/ztc/vaporwave1.md)
- [icanhaz](/writeups/2020-writeups/rgbctf/ztc/icanhaz.md)
- [vaporwave 3](/writeups/2020-writeups/rgbctf/ztc/vaporwave-3.md)
- [Vaporwave 2](/writeups/2020-writeups/rgbctf/ztc/vaporwave-2.md)
- [web](/writeups/2020-writeups/rgbctf/web.md)
- [tictactoe](/writeups/2020-writeups/rgbctf/web/tictactoe.md)
- [type racer](/writeups/2020-writeups/rgbctf/web/type-racer.md)
- [keen eye](/writeups/2020-writeups/rgbctf/web/keen-eye.md)
- [Countdown](/writeups/2020-writeups/rgbctf/web/countdown.md)
- [imitation crab](/writeups/2020-writeups/rgbctf/web/imitation-crab.md)
- [forensics:osint](/writeups/2020-writeups/rgbctf/forensics-osint.md)
- [PI 1- Magic in the air](/writeups/2020-writeups/rgbctf/forensics-osint/pi-1-magic-in-the-air.md)
- [Pi 2](/writeups/2020-writeups/rgbctf/forensics-osint/pi-2.md)
- [robins reddit password](/writeups/2020-writeups/rgbctf/forensics-osint/robins-reddit-password.md)
- [Space Transmission](/writeups/2020-writeups/rgbctf/forensics-osint/space-transmission.md)
- [Insanity Check](/writeups/2020-writeups/rgbctf/forensics-osint/insanity-check.md)
- [beginner](/writeups/2020-writeups/rgbctf/beginner.md)
- [Joke check](/writeups/2020-writeups/rgbctf/beginner/joke-check.md)
- [A Basic Challenge](/writeups/2020-writeups/rgbctf/beginner/a-basic-challenge.md)
- [Pieces](/writeups/2020-writeups/rgbctf/beginner/pieces.md)
- [Quirky resolution](/writeups/2020-writeups/rgbctf/beginner/quirky-resolution.md)
- [Shoob](/writeups/2020-writeups/rgbctf/beginner/shoob.md)
- [Name A More Iconic Band](/writeups/2020-writeups/rgbctf/beginner/name-a-more-iconic-band.md)
- [fine day](/writeups/2020-writeups/rgbctf/beginner/fine-day.md)
- [crypto](/writeups/2020-writeups/rgbctf/crypto.md)
- [Grab your Jisho](/writeups/2020-writeups/rgbctf/crypto/grab-your-jisho.md)
- [Shakespeare Play, Lost (and found!)](/writeups/2020-writeups/rgbctf/crypto/shakespeare-play-lost-and-found.md)
- [(rgbctf/crypto/e.md)](/writeups/2020-writeups/rgbctf/crypto/rgbctf-crypto-e-md.md)
- [I Love Rainbows](/writeups/2020-writeups/rgbctf/crypto/i-love-rainbows.md)
- [Adequate Encryption Standard](/writeups/2020-writeups/rgbctf/crypto/adequate-encryption-standard.md)
- [Occasionally Tested Protocol](/writeups/2020-writeups/rgbctf/crypto/occasionally-tested-protocol.md)
- [rubikcbc](/writeups/2020-writeups/rgbctf/crypto/rubikcbc.md)
- [N-AES](/writeups/2020-writeups/rgbctf/crypto/n-aes.md)
- [Sharky](/writeups/2020-writeups/sharky.md)
- [Give away 2](/writeups/2020-writeups/sharky/give-away-2.md)
- [Give away 1](/writeups/2020-writeups/sharky/give-away-1.md)
- [Give away 0](/writeups/2020-writeups/sharky/give-away-0.md)
- [Romance Dawn](/writeups/2020-writeups/sharky/romance-dawn.md)
- [The hare and the tortoise](/writeups/2020-writeups/sharky/the-hare-and-the-tortoise.md)
- [TJCTF](/writeups/2020-writeups/tjctf.md)
- [Circus](/writeups/2020-writeups/tjctf/circus.md)
- [Forensics](/writeups/2020-writeups/tjctf/forensics.md)
- [Cookie Monster](/writeups/2020-writeups/tjctf/forensics/cookie-monster.md)
- [Gamer F](/writeups/2020-writeups/tjctf/forensics/gamer-f.md)
- [Ling ling](/writeups/2020-writeups/tjctf/forensics/ling-ling.md)
- [Rap God](/writeups/2020-writeups/tjctf/forensics/rap-god.md)
- [Hexillology](/writeups/2020-writeups/tjctf/forensics/hexillology.md)
- [Misc](/writeups/2020-writeups/tjctf/misc.md)
- [arabfunny](/writeups/2020-writeups/tjctf/misc/arabfunny.md)
- [TTW](/writeups/2020-writeups/tjctf/misc/ttw.md)
- [Timed](/writeups/2020-writeups/tjctf/misc/timed.md)
- [Gamer M](/writeups/2020-writeups/tjctf/misc/gamer-m.md)
- [Zipped up](/writeups/2020-writeups/tjctf/misc/zipped-up.md)
- [Discord](/writeups/2020-writeups/tjctf/misc/discord.md)
- [Censorship](/writeups/2020-writeups/tjctf/misc/censorship.md)
- [Jarvis](/writeups/2020-writeups/tjctf/misc/jarvis.md)
- [Slicer](/writeups/2020-writeups/tjctf/misc/slicer.md)
- [Reasonably Secure Algorithm](/writeups/2020-writeups/tjctf/reasonably-secure-algorithm.md)
- [Login sequel](/writeups/2020-writeups/tjctf/login-sequel.md)
- [Seashells](/writeups/2020-writeups/tjctf/seashells.md)
- [Admin secrets](/writeups/2020-writeups/tjctf/admin-secrets.md)
- [Web](/writeups/2020-writeups/tjctf/web.md)
- [Sarah Palin Fanpage](/writeups/2020-writeups/tjctf/web/sarah-palin-fanpage.md)
- [Circus](/writeups/2020-writeups/tjctf/web/circus.md)
- [Login sequel](/writeups/2020-writeups/tjctf/web/login-sequel.md)
- [Weak Password](/writeups/2020-writeups/tjctf/web/weak-password.md)
- [Moar Horse 4](/writeups/2020-writeups/tjctf/web/moar-horse-4.md)
- [Gamer W](/writeups/2020-writeups/tjctf/web/gamer-w.md)
- [File Viewer](/writeups/2020-writeups/tjctf/web/file-viewer.md)
- [Admin secrets](/writeups/2020-writeups/tjctf/web/admin-secrets.md)
- [Gamer R](/writeups/2020-writeups/tjctf/gamer-r.md)
- [El primo](/writeups/2020-writeups/tjctf/el-primo.md)
- [Crypto](/writeups/2020-writeups/tjctf/crypto.md)
- [home rolled](/writeups/2020-writeups/tjctf/crypto/home-rolled.md)
- [rgbsa](/writeups/2020-writeups/tjctf/crypto/rgbsa.md)
- [difficult decryption](/writeups/2020-writeups/tjctf/crypto/difficult-decryption.md)
- [Reasonably Secure Algorithm](/writeups/2020-writeups/tjctf/crypto/reasonably-secure-algorithm.md)
- [Is this Crypto](/writeups/2020-writeups/tjctf/crypto/is-this-crypto.md)
- [Titanic](/writeups/2020-writeups/tjctf/crypto/titanic.md)
- [Reversing](/writeups/2020-writeups/tjctf/reversing.md)
- [comprehensive2](/writeups/2020-writeups/tjctf/reversing/comprehensive2.md)
- [Forwarding](/writeups/2020-writeups/tjctf/reversing/forwarding.md)
- [Gym](/writeups/2020-writeups/tjctf/reversing/gym.md)
- [ASMR](/writeups/2020-writeups/tjctf/reversing/asmr.md)
- [Gamer R](/writeups/2020-writeups/tjctf/reversing/gamer-r.md)
- [Gamer M](/writeups/2020-writeups/tjctf/gamer-m.md)
- [Sarah Palin Fanpage](/writeups/2020-writeups/tjctf/sarah-palin-fanpage.md)
- [Zipped up](/writeups/2020-writeups/tjctf/zipped-up.md)
- [Is this Crypto](/writeups/2020-writeups/tjctf/is-this-crypto.md)
- [Pwn](/writeups/2020-writeups/tjctf/pwn.md)
- [OSRS](/writeups/2020-writeups/tjctf/pwn/osrs.md)
- [Stop](/writeups/2020-writeups/tjctf/pwn/stop.md)
- [Seashells](/writeups/2020-writeups/tjctf/pwn/seashells.md)
- [Cookie Library](/writeups/2020-writeups/tjctf/pwn/cookie-library.md)
- [Tinder](/writeups/2020-writeups/tjctf/pwn/tinder.md)
- [El primo](/writeups/2020-writeups/tjctf/pwn/el-primo.md)
- [Discord](/writeups/2020-writeups/tjctf/discord.md)
- [Congenial Octo Couscous](/writeups/2020-writeups/tjctf/congenial-octo-couscous.md)
- [Titanic](/writeups/2020-writeups/tjctf/titanic.md)
- [Gamer F](/writeups/2020-writeups/tjctf/gamer-f.md)
- [Censorship](/writeups/2020-writeups/tjctf/censorship.md)
- [Jarvis](/writeups/2020-writeups/tjctf/jarvis.md)
- [OSRS](/writeups/2020-writeups/tjctf/osrs.md)
- [Moar Horse 4](/writeups/2020-writeups/tjctf/moar-horse-4.md)
- [Weak Password](/writeups/2020-writeups/tjctf/weak-password.md)
- [Stop](/writeups/2020-writeups/tjctf/stop.md)
- [Ling ling](/writeups/2020-writeups/tjctf/ling-ling.md)
- [Slicer](/writeups/2020-writeups/tjctf/slicer.md)
- [Cookie Library](/writeups/2020-writeups/tjctf/cookie-library.md)
- [Cookie Monster](/writeups/2020-writeups/tjctf/cookie-monster.md)
- [comprehensive2](/writeups/2020-writeups/tjctf/comprehensive2.md)
- [home rolled](/writeups/2020-writeups/tjctf/home-rolled.md)
- [Rap God](/writeups/2020-writeups/tjctf/rap-god.md)
- [difficult decryption](/writeups/2020-writeups/tjctf/difficult-decryption.md)
- [Forwarding](/writeups/2020-writeups/tjctf/forwarding.md)
- [rgbsa](/writeups/2020-writeups/tjctf/rgbsa.md)
- [Gym](/writeups/2020-writeups/tjctf/gym.md)
- [arabfunny](/writeups/2020-writeups/tjctf/arabfunny.md)
- [Tinder](/writeups/2020-writeups/tjctf/tinder.md)
- [Timed](/writeups/2020-writeups/tjctf/timed.md)
- [Gamer W](/writeups/2020-writeups/tjctf/gamer-w.md)
- [TTW](/writeups/2020-writeups/tjctf/ttw.md)
- [ASMR](/writeups/2020-writeups/tjctf/asmr.md)
- [File Viewer](/writeups/2020-writeups/tjctf/file-viewer.md)
- [Hexillology](/writeups/2020-writeups/tjctf/hexillology.md)
- [Tokyo Westerns CTF](/writeups/2020-writeups/tokyo-westerns-ctf.md)
- [sqrt](/writeups/2020-writeups/tokyo-westerns-ctf/sqrt.md)
- [easy-hash](/writeups/2020-writeups/tokyo-westerns-ctf/easy-hash.md)
- [Nothing much to see](/writeups/2020-writeups/tokyo-westerns-ctf/nothing-much-to-see.md)
- [Twin D](/writeups/2020-writeups/tokyo-westerns-ctf/twin-d.md)
- [Zh3r0 CTF](/writeups/2020-writeups/zh3r0-ctf.md)
- [Misc](/writeups/2020-writeups/zh3r0-ctf/misc.md)
- [Rainbow Hex](/writeups/2020-writeups/zh3r0-ctf/misc/rainbow-hex.md)
- [Find the Covid19 Vaccine](/writeups/2020-writeups/zh3r0-ctf/misc/find-the-covid19-vaccine.md)
- [Welcome To Phase 2md](/writeups/2020-writeups/zh3r0-ctf/misc/welcome-to-phase-2.md)
- [Welcome To Phase 1](/writeups/2020-writeups/zh3r0-ctf/misc/welcome-to-phase-1.md)
- [Analyse me](/writeups/2020-writeups/zh3r0-ctf/misc/analyse-me.md)
- [snakes everywhere](/writeups/2020-writeups/zh3r0-ctf/misc/snakes-everywhere.md)
- [Forensics](/writeups/2020-writeups/zh3r0-ctf/forensics.md)
- [Run Forrest Run](/writeups/2020-writeups/zh3r0-ctf/forensics/run-forrest-run.md)
- [PreDestination](/writeups/2020-writeups/zh3r0-ctf/forensics/pre-destination.md)
- [Snow](/writeups/2020-writeups/zh3r0-ctf/forensics/snow.md)
- [Snow.md](/writeups/2020-writeups/zh3r0-ctf/forensics/snow/snow.md)
- [Hidden Music](/writeups/2020-writeups/zh3r0-ctf/forensics/hidden-music.md)
- [is it a troll???](/writeups/2020-writeups/zh3r0-ctf/forensics/is-it-a-troll.md)
- [Soundless](/writeups/2020-writeups/zh3r0-ctf/forensics/soundless.md)
- [PreDestination](/writeups/2020-writeups/zh3r0-ctf/forensics/predestination.md)
- [UnRemovable](/writeups/2020-writeups/zh3r0-ctf/forensics/unremovable.md)
- [Katycat](/writeups/2020-writeups/zh3r0-ctf/forensics/katycat.md)
- [LSB Fun](/writeups/2020-writeups/zh3r0-ctf/forensics/lsb-fun.md)
- [Good Ol' IE](/writeups/2020-writeups/zh3r0-ctf/forensics/good-ol-ie.md)
- [pwn](/writeups/2020-writeups/zh3r0-ctf/pwn.md)
- [Command1](/writeups/2020-writeups/zh3r0-ctf/pwn/command1.md)
- [Free flag](/writeups/2020-writeups/zh3r0-ctf/pwn/free-flag.md)
- [Help](/writeups/2020-writeups/zh3r0-ctf/pwn/help.md)
- [Crypto](/writeups/2020-writeups/zh3r0-ctf/crypto.md)
- [We are related](/writeups/2020-writeups/zh3r0-ctf/crypto/we-are-related.md)
- [Dozen Bases](/writeups/2020-writeups/zh3r0-ctf/crypto/dozen-bases.md)
- [Uncipher Me](/writeups/2020-writeups/zh3r0-ctf/crypto/uncipher-me.md)
- [NASA](/writeups/2020-writeups/zh3r0-ctf/crypto/nasa.md)
- [RSA Warmup-Really Small Algorithm](/writeups/2020-writeups/zh3r0-ctf/crypto/rsa-warmup-really-small-algorithm.md)
- [Web](/writeups/2020-writeups/zh3r0-ctf/web.md)
- [Web Warmup](/writeups/2020-writeups/zh3r0-ctf/web/web-warmup.md)
- [Google Source Code](/writeups/2020-writeups/zh3r0-ctf/web/google-source-code.md)
- [OSINT](/writeups/2020-writeups/zh3r0-ctf/osint.md)
- [NASA](/writeups/2020-writeups/zh3r0-ctf/osint/nasa.md)
- [Prenote: As all of these challenges were similar, we decided to combine these under one page.](/writeups/2020-writeups/zh3r0-ctf/flag-series.md)