Ready to learn from each other? write-ups are a fantastic way to learn and see how others solve a CTF. Find all known Hacktoria write-ups here, or submit your own.

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Contracts

Contract Write-ups
Alien Abduction
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Writeups/Alien%20Abduction.md
https://oneonlyzero.github.io/posts/hactoria/#osint–alien-abduction—easy
https://github.com/freekspert/Hacktoria-Alien-Abduction-Walkthrough
Naval Intrusion
https://medium.com/the-sleuth-sheet/hacktoria-naval-intrusion-writeup-8168cf2574aa
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Writeups/Naval%20Intrusion.md
https://oneonlyzero.github.io/posts/hactoria/#osint–naval-intrusion—easy
Friendly Fire
https://eduard.schwarzkopf.center/hacktoria-friendly-fire-write-up/
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Writeups/Friendly%20Fire.md
https://medium.com/the-sleuth-sheet/hacktoria-friendly-fire-writeup-437accb93fc
https://medium.com/@ARMSAI/friendly-fire-write-up-71d15bdaf73f
https://oneonlyzero.github.io/posts/hactoria/#osint–friendly-fire—easy
Caged Princess
https://oneonlyzero.github.io/posts/hactoria/#osint–caged-princess—easy
https://osint4fun.medium.com/solución-reto-caged-princess-de-hacktoria-categoría-osint-nivel-fácil-5e621df9f0e1
The Spy Who Vanished
https://earthtoyash.medium.com/the-spy-who-vanished-hacktoria-contract-walkthrough-understanding-osint-4b522ec24d4
https://eduard.schwarzkopf.center/tiberian-order-the-spy-who-vanished-write-up/
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Medium/The%20Spy%20who%20Vanished.md
https://oneonlyzero.github.io/posts/hactoria/#osint–the-spy-who-vanished–easy
Insider Threat
https://oneonlyzero.github.io/posts/hactoria/#osint-insider-threat—medium
Cryptic Spectre
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Writeups/Cryptic%20Spectre.md
https://oneonlyzero.github.io/posts/hactoria/#osint–crypticspectre—medium
Withering Lotus
https://github.com/Fritz0609/Hacktoria/blob/Withering-Lotus/WhiteringLotus.md
PeePeeKun
https://oneonlyzero.github.io/posts/hactoria/#mixed-osint–peepeekun—medium
Manhunt
https://www.youtube.com/watch?v=MKeT1qERa50&list=UULFNc_jgZYsXaeqTTSSjvykGQ
https://medium.com/the-sleuth-sheet/operation-manhunt-writeup-9b2d1145715f
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Operation/Manhunt.md
Red Star Recon
https://oneonlyzero.github.io/posts/hactoria/#mixed-osint–red-star-recon—hard
Valentines Day Tragedy
https://github.com/gl0bal01/writeups/blob/main/osint/WU-HACKTORIA-Valentines_day_tragedy.pdf
https://oneonlyzero.github.io/posts/hactoria/#mixed-osint–valentines-day-tragedy—-hard
Galaxios
https://thenerdinthehighcastle.wordpress.com/2022/05/01/hacktorias-ctf-galaxios-walkthrough/
https://medium.com/@thecybervikinguk/operation-galaxios-writeup-b41821deae8
https://medium.com/@7069wrk/hacktoria-operation-galaxios-ea7f8b32be3
Lost Down Under
https://medium.com/the-sleuth-sheet/lost-down-under-writeup-f622a92ede4
A Strange File
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Insane/A%20Strange%20File.md
https://medium.com/the-sleuth-sheet/a-strange-file-writeup-c76f7b72f1bf
https://medium.com/@7069wrk/hacktoria-infectious-file-3257c7cfe368
https://medium.com/the-sleuth-sheet/infectious-file-writeup-db6429e9d43b
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Medium/Infectious%20File.md
https://oneonlyzero.github.io/posts/hactoria/#cyber-osint–infectious-file—easy
On The Wire
https://earthtoyash.medium.com/on-the-wire-hacktoria-contract-walkthrough-6aed4a019047
https://github.com/C3n7ral051nt4g3ncy/Wireshark-CTF-Writeup
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Medium/On%20the%20Wire.md
https://github.com/miamya/hacktoria-ctf-on-the-wire
Rogue Agent
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Medium/Rogue%20Agent.md
https://github.com/hackermomo/Writeups/blob/main/Rouge%20Agent/Rogue_Agent.md
https://medium.com/the-sleuth-sheet/rogue-agents-writeup-ca655390851d
https://oneonlyzero.github.io/posts/hactoria/#foren-osint–rogue-agent—easy
The Archive
https://medium.com/the-sleuth-sheet/the-archive-writeup-4e168487b783
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Hard/The%20Archive.md
https://vizivod.blogspot.com/2023/01/writeup-archive-hacktoria-contract.html
Lost at Sea
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Easy/Lost%20at%20Sea.md
https://github.com/MetricCode/Hacktoria/blob/main/Easy/Lost-At-Sea/READme.md
https://thesecuritynoob.com/ctf-walkthrough/hacktoria-lost-at-sea-walkthrough/
https://github.com/s1l1c0np1r4t3/Hacktoria-CTF-WriteUps/blob/main/Easy/LostAtSea.md
https://earthtoyash.medium.com/lost-at-sea-hacktoria-contract-walkthrough-understanding-osint-cc2eea732986
https://medium.com/@7069wrk/the-last-hunter-standing-cc9906a634d7
https://medium.com/the-sleuth-sheet/lost-at-sea-writeup-da92fb5bb19d
Wiretap
https://medium.com/the-sleuth-sheet/operation-wiretap-writeup-2e65ccc358e8
Dialogues From Atlantis
https://github.com/s1l1c0np1r4t3/Hacktoria-CTF-WriteUps/blob/main/Easy/DialoguesFromAtlantis.md
https://medium.com/the-sleuth-sheet/dialogues-from-atlantis-writeup-650a0f300266
https://www.youtube.com/watch?v=teaKuPXQYUc
https://github.com/p1ngul1n0/hacktoria-ctf/tree/main/easy/Dialogues%20from%20Atlantis
https://eduard.schwarzkopf.center/dialogues-from-atlantis-write-up/
https://persecure.info/2022/10/25/hacktoria-dialogues-from-atlantis/
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Easy/Dialogues%20from%20Atlantis.md
The Sleeper Cell
https://medium.com/@xxsarmadillo/hacktoria-the-sleeper-cell-ac2c82653d3e
https://github.com/freekspert/Hacktoria-The-Sleeper-Cell-Contract/blob/main/Walkthrough
https://medium.com/the-sleuth-sheet/the-sleeper-cell-writeup-a0eb64c12bd2
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Medium/The%20Sleeper%20Cell.md
https://github.com/HasseneING/hacktoria-writeups/blob/main/The%20Sleeper%20Cell.md
https://vizivod.blogspot.com/2023/01/hacktoria-sleeper-cell-writeup.html
https://github.com/Matroyshka62/Hacktoria/blob/main/Medium/The%20Sleeper%20Cell.md
https://github.com/Soccia/walkthrough/blob/main/THE%20SLEEPER%20CELL.md
https://oneonlyzero.github.io/posts/hactoria/#cyber-osint–the-sleeper-cell—easy
Kidnapped
https://medium.com/the-sleuth-sheet/hacktoria-kidnappé-writeup-8acbc09dc6e4
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Writeups/Kidnapped.md
Florida Snow
https://medium.com/the-sleuth-sheet/florida-snow-writeup-98ea46a0121e
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Hard/Florida%20Snow.md
Gas Attack
https://medium.com/the-sleuth-sheet/gas-attack-writeup-eb154b3b130f
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Easy/Gas%20Attack.md
https://oneonlyzero.github.io/posts/hactoria/#geo-osint–gas-attack—easy
https://medium.com/@L00ck3r/hacktoria-geolocation-challenge-gas-attack-a0f65c093893
Intergalactic Warfare
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Easy/Intergalactic%20Warfare.md
https://persecure.info/2022/10/24/hacktoria-intergalactic-warfare/
https://earthtoyash.medium.com/intergalactic-warfare-hacktoria-contract-walkthrough-understanding-osint-6b1896a532a5
https://github.com/s1l1c0np1r4t3/Hacktoria-CTF-WriteUps/blob/main/Easy/IntergalacticWarfare.md
Prisoner of War
https://github.com/MetricCode/Hacktoria/blob/main/Easy/Prisoner-Of-War/READme.md
https://earthtoyash.medium.com/prisoner-of-wars-hacktoria-contract-walkthrough-understanding-osint-c8f22db67108
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Easy/Prisoner%20of%20War.md
https://persecure.info/2022/10/22/hacktoria-prisoner-of-war/
https://github.com/s1l1c0np1r4t3/Hacktoria-CTF-WriteUps/blob/main/Easy/PrisonerOfWar.md
https://inzeymck.github.io/blog/2024/hacktoria-prisoner-of-war/
Where’s Klumgongyn
https://oneonlyzero.github.io/posts/hactoria/#geo-osint–wheres-klumgongyn—easy
The Killer Clown
https://www.youtube.com/watch?v=e-f_KaMB-dM
https://elhackeretico.com/ctf-osint-the-killer-clown/
https://github.com/s1l1c0np1r4t3/Hacktoria-CTF-WriteUps/blob/main/Easy/TheKillerClown.md
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Easy/The%20Killer%20Clown.md
https://github.com/MetricCode/Hacktoria/blob/main/Easy/Killer-Clown/READme.md
https://thesecuritynoob.com/ctf-walkthrough/hacktoria-the-killer-clown-walkthrough/
The Latvian Connection
https://medium.com/@Intelbadger/hacktoria-ctf-6ae335ed0f4e
Runner
https://medium.com/@osint_roach/writeup-hacktoria-operation-runner-3fcba15d7791
https://github.com/praet0rius/OSINTCTF/blob/main/Hacktoria/01.%20Operation%20Runner.pdf
https://osint-ctf.gitlab.io/docs/hacktoria/operation-runner/
Road To Nowhere
https://github.com/C3n7ral051nt4g3ncy/Tiberian_Order_Writeup
https://medium.com/@maru_inu/road-to-nowhere-geolocating-a-village-in-myanmar-from-satellite-imagery-45d6c7353b52
https://earthtoyash.medium.com/road-to-nowhere-hacktoria-contract-walkthrough-understanding-osint-a178f3115d9a
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Medium/Road%20to%20Nowhere.md
The Butcher
https://github.com/MetricCode/Hacktoria/tree/main/Easy/Butcher
https://github.com/p1ngul1n0/hacktoria-ctf/tree/main/easy/The%20Butcher
https://persecure.info/2022/10/21/hacktoria-the-butcher/
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Easy/The%20Butcher.md
https://github.com/s1l1c0np1r4t3/Hacktoria-CTF-WriteUps/blob/main/Easy/TheButcher.md
Kanonniers
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Insane/Kanonniers.md
https://github.com/unknownus3r-osint/write-ups/blob/main/Hacktoria/kanonniers!.md
https://oneonlyzero.github.io/posts/hactoria/#geo-osint–kanonniers—medium
Klumgongyn Returns
https://medium.com/the-sleuth-sheet/klumgongyn-returns-writeup-ba05fa18bbd0
https://github.com/C3n7ral051nt4g3ncy/HACKTORIA-CTF-KLUMGONGYN_RETURNS
https://eduard.schwarzkopf.center/hacktoria-klumgongyn-returns-write-up/
https://earthtoyash.medium.com/klumgongyn-return-hacktoria-contract-walkthrough-acba5440183a
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Medium/Klumgongyn%20Returns/Klumgongyn%20Returns.md
Return Of The Krohndahkyr
https://josexv1.github.io/posts/Hacktoria-Return-Of-Krohndahkyr/
https://medium.com/@7069wrk/return-of-the-krohndahkyr-f0c9db0b90ab
Bloodhound
https://medium.com/@L00ck3r/hacktoria-challange-operation-bloodhound-7f977bc0ca42
The Cartel Connection
https://medium.com/@unkn0wnus3r91/the-cartel-connection-3246fba35bbc
Far Away Outpost
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Hard/Far%20Away%20Outpost.md
The Listeners
https://medium.com/the-sleuth-sheet/the-listeners-writeup-14d0d981875c
https://github.com/MrMidnight7331/Hacktoria-Writeups/blob/main/Hard/The%20Listeners.md