# /den/face0xff/writeups

## /den/face0xff/writeups

- [Introduction](https://ctf.0xff.re/readme.md)
- [2023](https://ctf.0xff.re/2023.md)
- [FCSC 2023](https://ctf.0xff.re/2023/fcsc-2023.md)
- [Hola Amigo (reverse)](https://ctf.0xff.re/2023/fcsc-2023/hola-amigo.md)
- [Picasso (reverse)](https://ctf.0xff.re/2023/fcsc-2023/picasso.md)
- [2022](https://ctf.0xff.re/2022.md)
- [Root-Me 10K CTF](https://ctf.0xff.re/2022/rootme10k.md)
- [chef's kiss](https://ctf.0xff.re/2022/rootme10k/chefskiss.md)
- [FCSC 2022](https://ctf.0xff.re/2022/fcsc_2022.md)
- [httpd (pwn)](https://ctf.0xff.re/2022/fcsc_2022/httpd.md)
- [Hyper Packer (reverse)](https://ctf.0xff.re/2022/fcsc_2022/hyper-packer.md)
- [Khal Hash (crypto)](https://ctf.0xff.re/2022/fcsc_2022/khal-hash.md)
- [Hackday Qualifications 2022](https://ctf.0xff.re/2022/hackday_2022.md)
- [Cubik'cipher](https://ctf.0xff.re/2022/hackday_2022/cubik_cipher.md)
- [DiceCTF 2022](https://ctf.0xff.re/2022/dicectf_2022.md)
- [cable management](https://ctf.0xff.re/2022/dicectf_2022/cable_management.md)
- [2021](https://ctf.0xff.re/2021.md)
- [Aero CTF 2021](https://ctf.0xff.re/2021/aero_ctf_2021.md)
- [Not received prize](https://ctf.0xff.re/2021/aero_ctf_2021/not_received_prize.md)
- [FCSC 2021](https://ctf.0xff.re/2021/fcsc_2021.md)
- [Shared Notes (web, 500)](https://ctf.0xff.re/2021/fcsc_2021/shared_notes.md)
- [BattleChip (misc, 495)](https://ctf.0xff.re/2021/fcsc_2021/battlechip.md)
- [UIUCTF 2021](https://ctf.0xff.re/2021/uiuctf_2021.md)
- [phpfuck\_fixed](https://ctf.0xff.re/2021/uiuctf_2021/phpfuck.md)
- [2020](https://ctf.0xff.re/2020.md)
- [FCSC Prequals 2020](https://ctf.0xff.re/2020/fcsc_prequals_2020.md)
- [Keykoolol (reverse, 500)](https://ctf.0xff.re/2020/fcsc_prequals_2020/keykoolol.md)
- [Macaron (crypto, 200)](https://ctf.0xff.re/2020/fcsc_prequals_2020/macaron.md)
- [Merry (crypto, 500)](https://ctf.0xff.re/2020/fcsc_prequals_2020/merry.md)
- [SSEcret (reverse, 500)](https://ctf.0xff.re/2020/fcsc_prequals_2020/ssecret.md)
- [Why not a sandbox? (pwn, 500)](https://ctf.0xff.re/2020/fcsc_prequals_2020/why_not_a_sandbox.md)
- [European Cyber Week CTF Qualifiers 2020](https://ctf.0xff.re/2020/ecw_quals_2020.md)
- [Antirdroid](https://ctf.0xff.re/2020/ecw_quals_2020/antirdroid.md)
- [Windtalkers](https://ctf.0xff.re/2020/ecw_quals_2020/windtalkers.md)
- [DefCamp CTF 2020](https://ctf.0xff.re/2020/defcamp_ctf_2020.md)
- [dumb-discord, spy agency, cross me, syntax check](https://ctf.0xff.re/2020/defcamp_ctf_2020/writeups.md)
- [ångstromCTF 2020](https://ctf.0xff.re/2020/angstromctf_2020.md)
- [RSA-OTP](https://ctf.0xff.re/2020/angstromctf_2020/rsa-otp.md)
- [2019](https://ctf.0xff.re/2019.md)
- [ECW Quals 2019](https://ctf.0xff.re/2019/ecw_quals_2019.md)
- [S3cr37 4g3nt](https://ctf.0xff.re/2019/ecw_quals_2019/s3cr37_4g3nt.md)
- [X-MAS CTF 2019](https://ctf.0xff.re/2019/x-mas_ctf_2019.md)
- [FUNction Plotter](https://ctf.0xff.re/2019/x-mas_ctf_2019/function_plotter.md)
- [Emu 2.0](https://ctf.0xff.re/2019/x-mas_ctf_2019/emu_2.0.md)
- [Square CTF 2019](https://ctf.0xff.re/2019/square_ctf.md)
- [Go Cipher](https://ctf.0xff.re/2019/square_ctf/go_cipher.md)
- [Byte Bandits CTF 2019](https://ctf.0xff.re/2019/byte_bandits_ctf_2019.md)
- [babycrypto](https://ctf.0xff.re/2019/byte_bandits_ctf_2019/babycrypto.md)
- [Securinets Prequals 2019](https://ctf.0xff.re/2019/securinets_prequals_2019.md)
- [Beginner's Luck](https://ctf.0xff.re/2019/securinets_prequals_2019/beginners_luck.md)
- [STEM CTF 2019](https://ctf.0xff.re/2019/stem_ctf.md)
- [QvR Code](https://ctf.0xff.re/2019/stem_ctf/qvr_code.md)
- [REbase](https://ctf.0xff.re/2019/stem_ctf/rebase.md)
- [Pragyan CTF 2019](https://ctf.0xff.re/2019/pragyan_ctf.md)
- [Decode This](https://ctf.0xff.re/2019/pragyan_ctf/decode_this.md)
- [Save Earth](https://ctf.0xff.re/2019/pragyan_ctf/save_earth.md)
- [Super Secure Vault](https://ctf.0xff.re/2019/pragyan_ctf/super_secure_vault.md)
- [CTFZone 2019](https://ctf.0xff.re/2019/ctfzone_2019.md)
- [Agents](https://ctf.0xff.re/2019/ctfzone_2019/agents.md)