Writeups

28/03/2025 by s1gn3rs | tamuctf25 • PWN • ROP • Stack Pivoting
debug-2 -- TAMUCTF 2025
28/02/2025 by s3np41k1r1t0 & diogotcorreia & L0rdC0mmand3r | TRXCTF • web
Keeper -- TRX CTF 2025
14/12/2024 by lizardqueen & ice | crypto • htb
Clutch - Hack The Box University CTF 2024
25/09/2024 by lizardqueen & ice | crypto • asis
Clement -- ASIS CTF Quals 2024
06/09/2024 by rafa10 & jpl8 | reverse • csaw24quals
Obfuscation -- CSAW Qualifiers 2024
28/04/2024 by s3np41k1r1t0 | UMASSCTF • web
Cash Cache -- UMASS CTF 2024
17/04/2024 by lizardqueen & ice | crypto • plaidctf
DHCPPP -- PlaidCTF 2024
31/10/2022 by diogotcorreia & s3np41k1r1t0 | hacklu22 • web
HTPL -- hack.lu 2022
03/04/2022 by pedro-bernardo | midnightsunquals22 • pwn • javascript
hfs_browser -- Midnight Sun CTF 2022 Quals
01/11/2021 by jofra & s3np41k1r1t0 | hacklu21 • web
nodedb -- hack.lu 2021
13/09/2021 by pedro-bernardo | csawquals21 • rev
ncore -- CSAW Quals 2021
19/04/2021 by goulov & ice | crypto • quantum • plaidctf
Fake Medallion -- PlaidCTF 2021
02/03/2021 by L0rdC0mm4nd3r | crypto • union21
Human-server -- Union CTF 2021
27/02/2021 by s3np41k1r1t0 | web • jwt • crypto • union21
cr0wnair -- Union CTF 2021
21/02/2021 by goulov | crypto • sidh • union21
why is a raven.. -- Union CTF 2021
06/09/2020 by DMaxter & RageKnify | pwn • googlectf20
Tracing -- Google CTF 2020
30/08/2020 by goulov & ice | crypto • factoring • googlectf20
YAFM -- Google CTF 2020
30/08/2020 by goulov | crypto • SPHINCS+ • googlectf20
Quantum Pyramids -- Google CTF 2020
30/08/2020 by s3np41k1r1t0 | reverse
Android -- GoogleCTF Quals 2020
01/06/2020 by ice & mandlebro | pwn2win • crypto
s1protocol -- Pwn2Win 2020 CTF
31/05/2020 by goulov | crypto • quantum • pwn2win20
Lost qKeys -- Pwn2Win 2020
20/04/2020 by goulov | crypto • sidh • plaid20
sidhe -- PlaidCTF 2020
04/04/2020 by jofra | pwn • mips
Pwny5 -- Midnightsun CTF 2020
30/03/2020 by goulov | volga2020 • crypto
Keygreed -- VolgaCTF 2020 Qualifier
29/03/2020 by jofra | reverse • frida
F-hash -- Volga CTF 2020
19/03/2020 by RageKnify | reverse
Just Rust -- ångstromCTF 2020
09/02/2020 by pedro-bernardo & Jorge & jofra | nullcon • pwn
Dark Honya -- nullcon HackIM 2020
10/11/2019 by pedro-bernardo & Jorge | pwn2win • pwn
Random Vault -- Pwn2Win 2019 CTF
28/10/2019 by mvs | web
notes-app -- Backdoor CTF 2019
24/10/2019 by goulov | hacklu19 • crypto • reverse
Lamport Verify -- Hack.lu CTF 2019
20/10/2019 by pedro-bernardo | seccon2019 • pwn
lazy -- SECCON 2019 Online CTF
16/09/2019 by goulov | rwctf19 • crypto
bank -- Real World CTF Quals 2019
16/09/2019 by ice | reverse
halfpike -- CSAW Quals 2019
11/08/2019 by goulov | cryptoctf2019 • crypto
Time Capsule -- CryptoCTF 2019
11/08/2019 by goulov | cryptoctf2019 • crypto
Complex RSA -- CryptoCTF 2019
03/06/2019 by mvs | web
secret note keeper -- Facebook CTF 2019
19/04/2019 by pedro-bernardo & jofra | plaid2019 • pwn
SPlaid Birch -- Plaid CTF 2019
15/04/2019 by goulov | plaid2019 • crypto
Horst -- Plaid CTF 2019
07/04/2019 by goulov | midnightsun2019 • crypto
tulpan257 -- Midnightsun 2019 Quals CTF
07/04/2019 by goulov | midnightsun2019 • crypto
open-gyckel-crypto -- Midnightsun 2019 Quals CTF
06/04/2019 by dorin | programming, misc
Polyshell Programming -- Midnightsun 2019 Quals CTF
06/04/2019 by lord- & mandlebro | crypto, misc
pgp-com -- Midnightsun 2019 Quals CTF
20/03/2019 by mvs | web
Buy me a coin -- Pixels Camp CTF Qualifiers 2019
20/03/2019 by goulov | Pixels 2019 • crypto
Fortune favors the bold -- Pixels Camp CTF Qualifiers 2019
19/01/2019 by goulov | InsomniHack19 • crypto
drinks -- InsomniHack19
30/12/2018 by goulov | 35c3ctf • hardware
box of blink -- 35C3 CTF
30/12/2018 by goulov | 35c3ctf • crypto
post quantum -- 35C3 CTF
25/11/2018 by Jorge | ASISFinals18 • pwn • buffer-overflow • format-strings
Silver bullet -- ASIS CTF Finals 2018
20/09/2018 by pedro-bernardo | pwn • csaw18
shell->code -- CSAW2018 Quals
08/09/2018 by L0rdC0mm4nd3r | crypto • csaw18
babycrypto -- CSAW2018 Quals
29/12/2017 by mandlebro | 34C3CTF • algebra • crypto
Software-update -- 34C3CTF
29/11/2017 by mandlebro | pwn • game
Euchlid Go Away -- TU CTF 2017
29/11/2017 by L0rdC0mm4nd3r | reverse
Future -- TU CTF 2017
29/11/2017 by jofra | reverse • radare2
Unknown Writeup -- TUCTF
29/11/2017 by L0rdC0mm4nd3r | reverse
Grammar Lesson -- TU CTF 2017
15/11/2017 by zml | forensics
President -- BSidesLisbon 2017
14/11/2017 by AntonioToni & d3rezz | forensics
hdd -- BSidesLisbon 2017
12/11/2017 by L0rdC0mm4nd3r | crypto
Undo 5/9 -- BSidesLisbon 2017
06/11/2017 by jofra | misc • shellcode
Easy to say -- HITCON CTF 2017 Quals
06/11/2017 by L0rdC0mm4nd3r & goulov | crypto
SecretServer -- HITCON CTF 2017 Quals
16/07/2017 by DiogoMrSilva | ctfzone17 • web
MrPresidentFeedback -- CTFZone 2017
16/07/2017 by DiogoMrSilva | ctfzone17 • web
MrFuturePresidentBlog -- CTFZone 2017
16/07/2017 by DiogoMrSilva | ctfzone17 • web
Leaked messages -- CTFZone 2017