Also known as
  • NUS GreyHats
  • NUS_Greyhats

Singapore based CTF Team. We are based in School of Computing, National University of Singapore.



Sign in to join the team.

Participated in CTF events

Overall rating place: 366 with 23.731 pts in 2017

PlaceEventCTF pointsRating points
516Google Capture The Flag 2017 (Quals)50.00000.240
94DEF CON CTF Qualifier 2017196.00005.512
86PlaidCTF 2017587.00009.893
141nullcon HackIM 750.00000.705

Overall rating place: 156 with 83.243 pts in 2016

PlaceEventCTF pointsRating points
146SECCON 2016 Online CTF500.00002.513
95Qiwi-Infosec CTF-20161000.00002.134
14DefCamp CTF Finals 20162555.000013.733
24HITCON CTF 2016 Quals2250.000030.102
7DefCamp CTF Qualification 20161652.00009.394
50CSAW CTF Qualification Round 20162726.000013.275
69ASIS CTF Finals 2016281.00004.405
101Pwn2Win CTF 2016130.00001.437
434BCTF 201610.00000.135
245Sunshine CTF 201650.00000.152
3640CTF 2016 Quals1.00000.624
557Boston Key Party CTF 20161.00000.733
474SSCTF 2016 Quals10.00000.038
516Internetwache CTF 2016120.00000.295
274HackIM 20161500.00000.890
128Insomni'hack teaser 2016250.00003.382

Overall rating place: 251 with 40.669 pts in 2015

PlaceEventCTF pointsRating points
27132C3 CTF150.00001.687
173SECCON 2015 Online CTF1100.00005.392
138HITCON CTF 2015 Quals101.00001.364
62ASIS CTF Finals 2015476.00004.452
31Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier2406.00008.935
209CSAW CTF Qualification Round 20151460.00008.705
52PoliCTF 20151250.00008.160
228DEF CON CTF Qualifier 20151.00001.974

Team members

Team writeups

CSAW CTF Qualification Round 2016Warmup [50]read writeup
HITCON CTF 2016 QualsBeelzemon [150]read writeup
Insomni'hack teaser 2016smartcat1 [50]read writeup
32C3 CTFFlash [300]read writeup
HITCON CTF 2015 Qualssimple [100]read writeup
ASIS CTF Finals 2015ultra compression [125]read writeup
ASIS CTF Finals 2015Big Lie [100]read writeup
CSAW CTF Qualification Round 2015pcapin [150]read writeup
Trend Micro CTF Asia Pacific & Japan 2015 Online QualifierAnalysis - Offensive 200 [200]read writeup
Trend Micro CTF Asia Pacific & Japan 2015 Online QualifierMiscellaneous 300 [300]read writeup
PoliCTF 2015John The Traveller [100]read writeup