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HackTheBox Challenges

Study-guide style writeups for HackTheBox challenges I've solved — crypto, reversing, forensics, misc, OSINT, and the rest. Each writeup walks the bug class end-to-end with paragraphs of plain-language reasoning per step, plus a "why each step worked" section that pulls the technique out of the puzzle. No flag values, no key material, no secrets.

Challenges still active on HTB are listed but not published — the writeup goes up after the challenge retires.
Hack The Box · Team 475 — join my HTB team join team 475 on hackthebox →
── released · 0 writeups ──────────
soon first writeups release once challenges retire
── pending · 34 challenges ──────────
2025-07-15
hexecution
Reversing · Hard · 50 pts · active on htb
reversing hard active
2024-12-13
regas-town
Reversing · Medium · 40 pts · active on htb
reversing medium active
2024-11-15
wayback
Reversing · Medium · 40 pts · active on htb
reversing medium active
2024-07-09
spin_glass_brain
AI - ML · Hard · 60 pts · active on htb
ai - ml hard active
2024-05-07
fishy_http
Forensics · Easy · 20 pts · active on htb
forensics easy active
2024-01-12
remeeting_the_wheel
Crypto · Medium · 30 pts · active on htb
crypto medium active
2023-11-08
redtrails
Forensics · Medium · 30 pts · active on htb
forensics medium active
2023-07-26
sepc
Reversing · Medium · 30 pts · active on htb
reversing medium active
2023-06-01
quantum_safe
Crypto · Easy · 30 pts · active on htb
crypto easy active
2022-12-14
truesecrets
Forensics · Easy · 30 pts · active on htb
forensics easy active
2022-11-11
ffmodule
Reversing · Medium · 40 pts · active on htb
reversing medium active
2022-08-01
the_last_dance
Crypto · Very Easy · 10 pts · active on htb
crypto very easy active
2022-07-19
simple_encryptor
Reversing · Very Easy · 10 pts · active on htb
reversing very easy active
2022-01-24
partial_encryption
Reversing · Easy · 30 pts · active on htb
reversing easy active
2021-11-16
always_has_been
Crypto · Hard · 70 pts · active on htb
crypto hard active
2021-09-02
behind_the_scenes
Reversing · Very Easy · 10 pts · active on htb
reversing very easy active
2021-02-16
rsaiseasy
Crypto · Easy · 20 pts · active on htb
crypto easy active
2020-11-03
emo
Forensics · Easy · 30 pts · active on htb
forensics easy active
2020-10-25
xorxorxor
Crypto · Easy · 30 pts · active on htb
crypto easy active
2020-09-29
babyencryption
Crypto · Very Easy · 10 pts · active on htb
crypto very easy active
2020-04-24
oBfsC4t10n2
Forensics · Hard · 70 pts · active on htb
forensics hard active
2019-12-09
exatlon
Reversing · Easy · 30 pts · active on htb
reversing easy active
2019-11-12
windows_infinity_edge
Forensics · Hard · 70 pts · active on htb
forensics hard active
2019-10-12
bypass
Reversing · Easy · 30 pts · active on htb
reversing easy active
2019-06-21
debugme
Reversing · Medium · 40 pts · active on htb
reversing medium active
2019-05-21
obscure
Forensics · Easy · 30 pts · active on htb
forensics easy active
2018-09-21
obfsc4t10n
Forensics · Hard · 60 pts · active on htb
forensics hard active
2017-10-26
deadly_arthropod
Forensics · Medium · 30 pts · active on htb
forensics medium active
2017-10-24
reminiscent
Forensics · Easy · 30 pts · active on htb
forensics easy active
2017-09-01
infinite_descent
Crypto · Medium · 30 pts · active on htb
crypto medium active
maze
Reversing · Medium · 40 pts · active on htb
reversing medium active
red_failure
Forensics · Medium · 30 pts · active on htb
forensics medium active
virtually_mad
Reversing · Medium · 30 pts · active on htb
reversing medium active
vvm
Reversing · Hard · 50 pts · active on htb
reversing hard active
34 solved challenges tracked · synced weekly from htb-writeups my htb profile ↗