Table of contents

• Table of contents
• Summary
• Write ups
  • Blockchain
  • Cryptography
  • Forensics
  • Hardware
  • Machine Learning
  • Misc
  • Pwn
  • Reversing
  • Web
• References

Summary

This document is intended to cover all of the solutions used to solve each challenge for HackTheBox (HTB) Cyber Apocalypse 2023 CTF Challenge (CA23).

Keep in mind that, although this is intended to be a comprehensive list, the sources used were gathered from the HTB Discord server channel "#ca23-writeups".

Write ups

Blockchain

• Navigating the Unknown
• Shooting 101
• The Art of Deception

Cryptography

• Ancient Encodings
• Elliptic Labyrinth
• Elliptic Labyrinth Revenge
• Biased Heritage
• Colliding Heritage
• Converging Visions
• Inside the Matrix
• Multipage Recyclings
• Perfect Synchronization
• Small StEps

Forensics

• Artifacts of Dangerous Sightings
• Bashic Ransomware
• Interstellar C2
• Pandora's Bane
• Relic Maps
• Alien Cradle
• Extraterrestrial Persistence
• Packet Cyclone
• Plaintext Tleasure
• Roten

Hardware

• Critical Flight
• Debug
• HM74
• Secret Code
• Timed Transmission

Machine Learning

• Reading the Stars
• Last Hope
• Mysterious Learnings
• On the Rescue
• Reconfiguration
• Vision Chip

Misc

• Hijack
• Persistence
• Remote Computation
• Restricted
• Calibration
• Janken
• Nehebkaus Trap
• The Chasms Crossing Conondrum

Pwn

• Getting Started
• Questionnaire
• Initialise Connection
• Labyrinth
• Pandora's Box
• Control Room
• Kana
• Math Door
• Runic
• Void

Reversing

• Shattered Tablet
• She Shells C Shells
• Needle in a Haystack
• Hunting License
• Alien Saboteur
• Cave System
• Vessel Cartographer

Web

• Gunhead
• Orbital
• Passman
• Trapped Source
• TrapTrack
• Didactic Octo Paddle
• Drobots
• SpyBug
• UnEarthly Shop

References

In no particular order, here are each of the sources used to document solutions for each challenge.

• https://kypanz.github.io/jekyll/update/2023/03/24/Navigating-the-unknown.html
• https://medium.com/@nikhilmemane09/htb-cyber-apocalypse-2023-owning-smart-contracts-navigating-the-unknown-a5e821fd2bac
• https://www.youtube.com/watch?v=0sLT2JHr7Ps
• https://medium.com/@039305660xJs/htb-cyber-apocalypse-ctf-blockchain-8fa83e22f419
• https://sirius-a.github.io/ctf-writeups/2023/HTB-cyber-apocalypse/
• https://kypanz.github.io/jekyll/update/2023/03/24/Shooting-101.html
• https://www.youtube.com/watch?v=E9t-HH9DY2A
• https://kypanz.github.io/jekyll/update/2023/03/25/The-Art-of-Deception.html
• https://www.youtube.com/watch?v=RLIoBTDfBnA
• https://gitlab.com/Cryptopone/cyberapocalypse2023-writeups
• https://twc1rcle.com/ctf/team/ctf_writeups/cyber_apocalypse_2023/
• https://github.com/LazyTitan33/CTF-Writeups/tree/main/HTB%20-%20CyberApocalypse_2023
• https://github.com/sbencoding/htb_ca2023_writeups
• https://hakbrain.notion.site/hakbrain/ccdf64ce51cd44b2ae1ee1f8200bfe37?v=95cb45fedd594c95babd434acf57b3f6
• https://ilter.tech/blog/
• https://github.com/rafiina/CTF-Write-Ups/tree/main/Cyber-Apocalypse-2023
• https://github.com/SecYuri/HTB-Cyber-Apocalypse-2023-Writeups
• https://github.com/forensicskween/HTB-Cyber-Apocalypse-2023
• https://github.com/Fra-SM/CyberApocalypse2023_CTF_Writeups
• https://docs404.com/hack-the-box-ca-2023/
• https://github.com/D13David/ctf-writeups/tree/main/cyber_apocalypse23
• https://medium.com/@damaidec/cyber-apocalypse-2023-writeup-308ef9a94828
• https://github.com/An00bRektn/CTF/tree/main/live_events/htb_cyber_apocalypse_23
• https://fazect.github.io/htb2023/
• https://github.com/asempire/CTFs/blob/main/ca23/ca23.md
• https://github.com/4za4s/HTB-CyberApocalypse-2023-CTF
• https://infosecwriteups.com/cyber-apocalypse-2023-the-cursed-mission-f4f52a97e485
• https://medium.com/@cupochino98/htb-cyber-apocalypse-2023-ctf-walkthrough-web-e6d9b75c8d2f
• https://4trxia.github.io/posts/Hackthebox-ctf-2023/
• https://s1n1st3r.gitbook.io/ctf-writeups/htb-cyber-apocalypse-2023/2023-htb-cyber-apocalypse-challenges
• https://s1n1st3r.gitbook.io/ctf-writeups/htb-cyber-apocalypse-2023/2023-htb-cyber-apocalypse-challenges/web-spybug
• https://mukarramkhalid.com/hack-the-box-cyber-apocalypse-2023-the-cursed-mission-writeups/
• https://github.com/imflikk/ctf-writeups/tree/main/Cyber-Apocalypse
• https://nitrolabs.xyz/posts/HTB-CA2023-Reversing-HW-Misc/
• https://siunam321.github.io/ctf/Cyber-Apocalypse-2023/
• https://github.com/SwordBreak3r/CyberApocalypse2023
• https://github.com/f0rk3b0mb/htb-cyberapocalypse-2023-writeup
• https://www.youtube.com/watch?v=pbdC-POk-XU&list=PLUrAjkLbvTpKBgf4uRsc2JWhs8OZeswah
• https://github.com/markv9401/HTB-CA23/blob/main/README.md
• https://www.youtube.com/playlist?list=PL3pTvP-hPbaxC5YbPMyfM55-eb5KxqA80
• https://www.youtube.com/watch?v=JKDeZ5Q_Ml0
• https://notateamserver.xyz/ca23-elliptic-labryinth/
• https://chovid99.github.io/posts/cyber-apocalypse-2023-crypto/
• https://github.com/mateusz7988/CTF-Writeups/tree/main/CyberApocalypse2023/PerfectSynchronization
• https://www.youtube.com/watch?v=tnG35ycXPL0
• https://www.youtube.com/watch?v=i_kcE539jpk
• https://pjg1.netlify.app/htbca23-artifacts
• https://starrylord.ch/blog/htb-cyberapocalypse-2023-bashic-ransomware
• https://medium.com/maverislabs/htb-ca2023-forensics-interstellar-c2-588e2419400c
• https://notateamserver.xyz/ca23-interstellar-c2/
• https://qn0x.xyz/blog/infosec/hack-the-box/ctf/writeup/2023/03/23/writeup-interstellar-c2.html
• https://github.com/ventdrop/ventdrop.github.io/blob/main/docs/pandorasbane.md
• https://qn0x.xyz/blog/infosec/hack-the-box/ctf/writeup/2023/03/24/writeup-pandoras-bane.html
• https://nitrolabs.xyz/posts/HTB-CA2023-Forensics/
• https://forensicskween.com/ctf/hack-the-box/htb-cyber-apocalypse-2023-forensics/
• https://cristi075.github.io/HTB-Cyber-Apocalypse-2023-Relic-Maps
• https://cristi075.github.io/HTB-Cyber-Apocalypse-2023-Critical-Flight
• https://cristi075.github.io/HTB-Cyber-Apocalypse-2023-Debug
• https://cristi075.github.io/HTB-Cyber-Apocalypse-2023-HM74
• https://github.com/meashiri/ctf-writeups/tree/main/202303_hackthebox
• https://cristi075.github.io/HTB-Cyber-Apocalypse-2023-Secret-Code
• https://cristi075.github.io/HTB-Cyber-Apocalypse-2023-Timed-Transmission
• https://github.com/dbissell6/MISC/blob/main/Calibration.md
• https://www.youtube.com/watch?v=rCzmJchv8RI
• https://colab.research.google.com/drive/1oHAVTbe1fVNjogWuhdOI2Wa6X1n3XLa6?usp=sharing
• https://github.com/amygutierrez/CTFCyberApocalypse2023
• https://github.com/Taoudi/Cyber_Apocalypse/blob/main/HTB.ipynb
• https://github.com/0denko/CTF/tree/main/ml_vision_chip
• https://github.com/evyatar9/Writeups/tree/master/CTFs/2023-Cyber_Apocalypse_HTB/Pwn-Labyrinth
• https://github.com/evyatar9/Writeups/tree/master/CTFs/2023-Cyber_Apocalypse_HTB
• https://chovid99.github.io/posts/cyber-apocalypse-2023-pwn/
• https://www.youtube.com/watch?v=Pp0QR6MFZeQ
• https://www.youtube.com/watch?v=HfDrVq-qWik
• https://github.com/Mymaqn/HTBCA2023_Pwn_Writeups
• https://github.com/Aleks-dotcom/writeups/blob/main/htb_apocalypse/runic_chall/writeup.md
• https://github.com/youssefboulmalf/Pandora-sbox---ret2libc
• https://notateamserver.xyz/ca23-alien-saboteur/
• https://github.com/p4yl0ad/hackthebox_rev_cavesystem_angr
• https://blog.bi0s.in/2023/03/24/RE/Vessel_Cartographer/
• https://www.youtube.com/watch?v=QQ8VbUAaiEA
• https://cristi075.github.io/HTB-Cyber-Apocalypse-2023-Orbital
• https://www.youtube.com/watch?v=s7sfK9sueog
• https://maikypedia.gitlab.io/posts/traptrack-hackthebox-ca2023/
• https://www.youtube.com/watch?v=hyUQ2_KLo84
• https://www.youtube.com/playlist?list=PL5bdOoBoOrbY4cmDj9EjCFocwlc666hYx