README.md
March 14, 2026 · View on GitHub
🧩 HackTheBox CTF Writeups
A structured collection of Hack The Box machine write-ups and CTF walkthroughs designed to help cybersecurity learners, penetration testers, and CTF players understand real-world attack techniques and methodologies.
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| No. | Machine Name | Operating System | Difficulty |
|---|---|---|---|
| 1. | Access | Windows | Easy |
| 2. | Active | Windows | Easy |
| 3. | Apocalyst | Linux | Medium |
| 4. | Aragog | Linux | Medium |
| 5. | Arctic | Windows | Easy |
| 6. | Ariekei | Linux | Insane |
| 7. | Bank | Linux | Easy |
| 8. | Bart | Windows | Medium |
| 9. | Bashed | Linux | Easy |
| 10. | Beep | Linux | Easy |
| 11. | Blocky | Linux | Easy |
| 12. | Blue | Windows | Easy |
| 13. | Bounty | Windows | Easy |
| 14. | Brainfuck | Linux | Insane |
| 15. | Calamity | Linux | Hard |
| 16. | Canape | Linux | Medium |
| 17. | Carrier | Linux | Medium |
| 18. | Celestial | Linux | Medium |
| 19. | Charon | Linux | Hard |
| 20. | Chatterbox | Windows | Medium |
| 21. | Crimestoppers | Windows | Hard |
| 22. | Cronos | Linux | Hard |
| 23. | Curling | Linux | Easy |
| 24. | Dab | Linux | Hard |
| 25. | Devel | Windows | Easy |
| 26. | DevOops | Linux | Medium |
| 27. | Dropzone | Windows | Hard |
| 28. | Enterprise | Linux | Medium |
| 29. | Europa | Linux | Medium |
| 30. | Falafel | Linux | Hard |
| 31. | Fighter | Windows | Insane |
| 32. | Fluxcapacitor | Linux | Medium |
| 33. | FriendZone | Linux | Easy |
| 34. | Frolic | Linux | Easy |
| 35. | Fulcurm | Linux | Easy |
| 36. | Giddy | Windows | Medium |
| 37. | Grandpa | Windows | Easy |
| 38. | Granny | Windows | Easy |
| 39. | Haircut | Linux | Medium |
| 40. | Hawk | Linux | Medium |
| 41. | Help | Linux | Easy |
| 42. | Holiday | Linux | Hard |
| 43. | Inception | Linux | Medium |
| 44. | Irked | Linux | Easy |
| 45. | Jail | Linux | Insane |
| 46. | Jeeves | Windows | Medium |
| 47. | Jerry | Windows | Easy |
| 48. | Joker | Linux | Hard |
| 49. | Kotarak | Linux | Hard |
| 50. | Lame | Linux | Easy |
| 51. | Lazy | Linux | Medium |
| 52. | Legacy | Windows | Easy |
| 53. | Lightweight | Linux | Medium |
| 54. | Mantis | Windows | Hard |
| 55. | Minion | Windows | Insane |
| 56. | Mirai | Linux | Easy |
| 57. | Mischief | Linux | Insane |
| 58. | Netmon | Windows | Easy |
| 59. | Nibble | Linux | Easy |
| 60. | Nightmare | Linux | Insane |
| 61. | Nineveh | Linux | Medium |
| 62. | Node | Linux | Medium |
| 63. | October | Linux | Medium |
| 64. | Olympus | Linux | Medium |
| 65. | Optimum | Windows | Easy |
| 66. | Poison | FreeBSD | Medium |
| 67. | Popcorn | Linux | Medium |
| 68. | SecNotes | Windows | Medium |
| 69. | Sense | FreeBSD | Easy |
| 70. | Shocker | Linux | Easy |
| 71. | Shrek | Linux | Hard |
| 72. | Silo | Windows | Medium |
| 73. | Sneaky | Linux | Medium |
| 74. | Solid State | Linux | Medium |
| 75. | Stratosphere | Linux | Medium |
| 76. | Sunday | Solaris | Easy |
| 77. | Tally | Windows | Hard |
| 78. | TartarSauce | Linux | Medium |
| 79. | Teacher | Linux | Easy |
| 80. | Tenten | Linux | Medium |
| 81. | Valentine | Linux | Easy |
| 82. | Vault | Linux | Medium |
| 83. | Waldo | Linux | Medium |
| 84. | Ypuffy | Others | Medium |
| 85. | Zipper | Linux | Hard |
| 86. | Luke | Linux | Easy |
| 87. | Bastion | Windows | Easy |
| 88. | Heist | Windows | Medium |
| 89. | Bitlab | Linux | Medium |
| 90. | Jarvis | Linux | Medium |
| 91. | Writeup | Linux | Easy |
| 92. | Networked | Linux | Medium |
| 93. | Haystack | Linux | Medium |
| 94. | Postman | Linux | Easy |
| 95. | Wall | Linux | Medium |
| 96. | Open Admin Box | Linux | Easy |
| 97. | Monteverde | Windows | Medium |
| 98. | Sauna | Windows | Easy |
| 99. | Conceal | Windows | Hard |
| 100. | Tabby | Linux | Easy |
| 101. | Omni | Windows | Easy |
| 102. | Mango | Linux | Medium |
| 103. | Servmon | Windows | Easy |
| 104. | Bastard | Windows | Medium |
| 105. | Cascade | Windows | Medium |
| 106. | Traverxec | Linux | Easy |
| 107. | Forest | Windows | Easy |
| 108. | Admirer | Linux | Easy |
| 109. | Blunder | Linux | Easy |
| 110. | SwagShop | Linux | Easy |
| 111. | Doctor | Linux | Easy |
| 112. | Fuse | Windows | Medium |
| 113. | LaCasaDePapel | Linux | Easy |
| 114. | Magic | Linux | Medium |
| 115. | Traceback | Linux | Easy |
| 116. | Remote | Windows | Easy |
| 117. | Book | Linux | Medium |
| 118. | Cache | Linux | Medium |
| 119. | OpenKeyS | OpenBSD | Medium |
| 120. | Chaos | Linux | Medium |
| 121. | Querier | Windows | Medium |
| 122. | Sniper | Windows | Medium |
| 123. | Resolute | Windows | Medium |
| 124. | SneakyMailer | Linux | Medium |
| 125. | Nest | Windows | Easy |
| 126. | Jewel | Linux | Medium |
| 127. | Academy | Linux | Medium |
| 128. | Passage | Linux | Medium |
| 129. | Worker | Windows | Medium |
| 130. | Delivery | Linux | Medium |
| 131. | Time | Linux | Medium |
| 132. | Ready | Linux | Medium |
| 133. | Laboratory | Linux | Easy |
| 134. | Luanne | OpenBSD | Easy |
| 135. | Scriptkiddie | Linux | Easy |
| 136. | Knife | Linux | Easy |
| 137. | Spectra | Linux | Easy |
| 138. | Love | Windows | Easy |
| 139. | Cap | Linux | Easy |
| 140. | Armageddon | Linux | Medium |
| 141. | TheNotebook | Linux | Medium |
| 142. | Explore | Linux | Easy |
| 143. | Seal | Linux | Medium |
| 144. | BountyHunter | Linux | Medium |
| 145. | PIT | Linux | Medium |
| 146. | Toolbox | Linux | Medium |
| 147. | Previse | Linux | Easy |
| 148. | Writer | Linux | Medium |
| 149. | Intelligence | Linux | Medium |
| 150. | Forge | Linux | Medium |
| 151. | Anubis | Linux | Insane |
| 152. | Horizontall | Linux | Easy |
| 153. | Return | Windows | Easy |
| 154. | Timelapse | Windows | Easy |
| 155. | Driver | Windows | Easy |
| 156. | Pandora | Linux | Easy |
| 157. | Paper | Linux | Easy |
| 158. | Goodgames | Linux | Easy |
| 159. | Backdoor | Linux | Easy |
| 160. | Late | Linux | Easy |
| 161. | Nunchucks | Linux | Easy |
| 162. | Antique | Linux | Easy |
| 163. | Blackfield | Linux | Hard |