Skip to main content

Questions tagged [ctf]

Security Stack Exchange participation in Capture-The-Flag competitions

Filter by
Sorted by
Tagged with
1 vote
1 answer
141 views

Would this be the right place to ask for hint/guidance regarding InfoSec ctfs/challenges?

I am starting out in bug bounty training and have some need for guidance and hints towards solving some challenges and ctfs, as well as explanations on what is actually happening both in challenges I'...
Alvaro's user avatar
  • 11
10 votes
1 answer
347 views

Square CTF | 08 Nov. 2018, 19:00 UTC —14 Nov. 2018, 19:00 UTC

Let's participate in the Square CTF! Format: Jeopardy Duration: 6 days(!) Start: Thu, 2018-11-08 19:00 UTC (Other timezone) Finish: Mon, 2018-11-14 19:00 UTC (Other timezone) Official URL: http://...
Tom K.'s user avatar
  • 7,966
8 votes
0 answers
137 views

HITCON CTF 2018 | Sat, 20 Oct 02:00 — Mon, 22 Oct 02:00 UTC (48h)

Let's participate in the HITCON CTF 2018! Format: Jeopardy Duration: 48h Start: Sat, 2018-10-20 02:00 UTC (Other timezone) Finish: Mon, 2018-10-22 02:00 UTC (Other timezone) Official URL: https://ctf....
Arminius's user avatar
  • 44.9k
11 votes
8 answers
498 views

Write-ups: Hackover CTF 2018 | Fri, 05 Oct, 20:00 UTC — Sun, 07 Oct, 10:00 UTC (38h)

Let's participate in the Hackover CTF 2018! Hackover is a Jeopardy-style CTF and lasts 38 hours with ~100 participating teams announced. It's organized by the Hamburg CCC chapter in the context of ...
Arminius's user avatar
  • 44.9k
16 votes
1 answer
886 views

Write-ups: Teaser Dragon CTF 2018: Sa, 29 Sept. 2018, 12:00 UTC — So, 30 Sept. 2018, 12:00 UTC, lasts 24 hours

Let's participate in the Dragon CTF 2018 Teaser! The CTF runs Sa, 29 Sept. 2018, 12:00 UTC — So, 30 Sept. 2018, 12:00 UTC. You can find additional details on the CTFtime event page. Links to ...
Tom K.'s user avatar
  • 7,966
8 votes
2 answers
299 views

Writeup: Meepwn CTF Quals 2018: starts 13 July 19:00 UTC — ends 15 July 2018, 19:00 UTC, lasts 48 hours

Let's participate in the Meepwn CTF Qualifier 2018! The CTF runs Fr, 13 July 2018, 19:00 UTC — Sun, 15 July 2018, 19:00 UTC. You can find additional details on the CTFtime event page. Links to ...
Tom K.'s user avatar
  • 7,966
9 votes
5 answers
666 views

Write-ups: DEF CON CTF 2018 qualifiers: starts 12 May 00:00 UTC, lasts 48 hours

Let's participate in the DEF CON CTF Qualifier 2018! The CTF runs Sat, 12 May 2018, 00:00 UTC — Mon, 14 May 2018, 00:00 UTC. You can find additional details on the CTFtime event page. Links to ...
Gilles 'SO- stop being evil''s user avatar
9 votes
3 answers
287 views

Writeups: PlaidCTF 2018 - Sat, 05 May 2018 at 04:00 UTC, lasts for 36 hours

Let's participate at PlaidCTF 2018! The CTF will begin on Sat, 05 May 2018 at 04:00 UTC, and end on Sun, 06 May 2018 at 16:00 UTC (that's 36 hours). PlaidCTF is a yearly CTF run by Plaid Parliament ...
thel3l's user avatar
  • 3,404
7 votes
0 answers
211 views

WPICTF 2018, Fri 13 April 2018 at 19:00 UTC, lasts 48 hours

Let's participate in WPICTF 2018. WPICTF is a Jeopardy-style CTF and lasts 48 hours. According to their website: The CTF should be "beginner friendly". Most challenges were made by WPI students, so ...
HamZa's user avatar
  • 1,361
-2 votes
1 answer
88 views

Soften "how to ask" restrictions for CTF write-ups and allow them on main site

While I was writing this, it became to clear me, that I'm not even sure if CTF write-ups are off-topic or prohibited on the main site or if there was ever an agreement to post them here on Meta. If it'...
Tom K.'s user avatar
  • 7,966
10 votes
5 answers
409 views

Write-ups: SwampCTF 2018, Thu 29 March 2018 at 22:00 UTC, lasts 48 hours

Let's participate in SwampCTF 2018. SwampCTF is a Jeopardy-style CTF and lasts 48 hours. Challenges are from a range of categories like Cryptography, Forensics, Reverse Engineering, Binary ...
HamZa's user avatar
  • 1,361
7 votes
0 answers
170 views

Pragyan CTF 2018, 2 March 2018 at 07:30 UTC, lasts 48 hours

Let's participate in Pragyan CTF 2018. Pragyan CTF is a Jeopardy-style CTF and lasts 48 hours. Challenges are from a range of categories like Cryptography, Web, Forensics, Steganography, Reverse ...
Benoit Esnard's user avatar
11 votes
1 answer
310 views

NeverLAN CTF 2018, 23 February 2018 at 19:00 UTC, lasts 77 hours

Let's participate in NeverLAN CTF 2018. NeverLAN CTF is a Jeopardy-style CTF and lasts 77 hours. You can find additional details on the CTFtime event page and study the write-ups of the 2017 edition ...
Benoit Esnard's user avatar
6 votes
0 answers
124 views

Xiomara CTF 2018, 23 February 2018 at 17:00 UTC, lasts 24 hours

Let's participate in Xiomara CTF 2018. Xiomara is a Jeopardy-style CTF and lasts 24 hours. You can find additional details on the CTFtime event page and study the write-ups of the 2017 edition here. ...
Benoit Esnard's user avatar
10 votes
0 answers
287 views

HackIT CTF 2017 | Fri, 25 Aug, 14:00 – Sun, 27 Aug, 14:00 UTC

Let's participate in the HackIT CTF 2017! HackIT is a Jeopardy-style CTF and lasts 48 hours with 100+ participating teams announced. You can find additional details on the CTFtime event page and ...
Arminius's user avatar
  • 44.9k
12 votes
1 answer
993 views

SHA2017 CTF | Sat, 05 Aug, 10:00 – Sun, 06 Aug, 22:00 UTC

Let's participate in the SHA2017 CTF! SHA2017 a Jeopardy-style CTF running in the context of the SHA2017 hacker camp and lasts 36 hours. There are currently 100+ participating teams announced on ...
Arminius's user avatar
  • 44.9k
6 votes
0 answers
111 views

PoliCTF 2017 | Fri, 07 July, 09:00 – Sun, 09 July, 09:00 UTC

Let's participate in the PoliCTF 2017! PoliCTF a Jeopardy-style CTF running in its third edition and lasts 48h. There are currently 100+ participating teams announced on CTFtime. Basic info: We ...
Arminius's user avatar
  • 44.9k
5 votes
0 answers
98 views

SECUINSIDE CTF 2017, 01 July 00:00 - 02 July 7:33 AM UTC

Are you ready for another crazy CTF with sec.se team? We will participate in the Secuinside CTF. There are no indications about the challenge categories. Howewer, according to last year write-ups, ...
Xavier59's user avatar
  • 2,904
6 votes
2 answers
223 views

Trend Micro CTF 2017, 24 June 4 AM UTC - 25 June 4 AM UTC

Are you ready for another crazy CTF with sec.se team? We will participate in the Trend Micro CTF. Challenge categories are: Analysis-Offensive, Analysis-Defensive, Forensic, Reversing, IoT/OSINT/...
Xavier59's user avatar
  • 2,904
21 votes
0 answers
511 views

Google CTF 2017, 17 June 2017 at 00:00 UTC, lasts 48 hours

Let's participate in Google CTF 2017. The CTF will begin on 17 June 2017 00:00:01 UTC and ends on 18 June 2017 23:59:59 UTC. As usual, we will play as team sec.se, but unlike previous CTFs, because ...
Benoit Esnard's user avatar
6 votes
1 answer
252 views

IceCTF 2016 - Fri, 12 Aug 2016, 16:00 UTC, lasts two weeks

Let's participate at IceCTF 2016. The CTF will begin on Friday 12 August 2016 16:00 UTC and ends two weeks later on 26 August 2016 20:30 UTC. As usual, we will play as team sec.se. The team ...
HamZa's user avatar
  • 1,361
19 votes
5 answers
637 views

Sunshine CTF 2016 - 12 March 2016 at 16 pm UTC, lasts 28,5 hours

Let's participate at Sunshine CTF 2016. The CTF will begin on 12 March 2016 16:00 UTC and ends on 13 March 2016 20:30 UTC. As usual, we will play as team sec.se. The team communicates through the ...
HamZa's user avatar
  • 1,361
10 votes
1 answer
311 views

Boston Key Party CTF 2016 - 04 March 2016 at 22 pm UTC, lasts 48 hours

Let's participate at Boston Key Party CTF 2016. The CTF will begin on 04 March 2016 22:00 UTC and ends on 06 March 2016, 22:00 UTC. As usual, we will play as team sec.se. The team communicates ...
HamZa's user avatar
  • 1,361
9 votes
2 answers
544 views

Insomni'hack 2016 Teaser CTF - 16 Jan. 2016 at 9 am UTC, lasts 36 hours

This is an announcement to interested parties that our CTF team intends to participate in Insomni'hack 2016 Teaser Catch The Flag (CTF) competition: Insomni'hack 2016 Teaser          When Saturday ...
TildalWave's user avatar
  • 10.8k
4 votes
0 answers
158 views

Ghost in the Shellcode CTF - starts 08 jan 2016 at 20:00 UTC and lasts ~33h

Ghost in the Shellcode will begin on 08 January 2016 20:00 UTC and ends on 10 January 2016 04:59 UTC. Let's play as team Sec.SE. As usual, the team communicates through the CTF team chatroom.
HamZa's user avatar
  • 1,361
14 votes
2 answers
355 views

32C3 CTF - starts 27 dec 2015 at 20:00 UTC and lasts 48h

32C3 CTF will begin on 27 December 2015 20:00 UTC and ends on 29 december 2015 20:00 UTC. It's been a while since we participated. Let's play again as team Sec.SE. As usual, the team communicates ...
HamZa's user avatar
  • 1,361
6 votes
0 answers
342 views

LegitBS(DEFCON) 2014 CTF

LegitBS 2014 will begin on May 17th at 00:00 UTC. It seems like team Sec.SE has dissolved. I'm running my own team for me and my friends, but I'm willing to let anyone in. My team will be in #...
Avery3R's user avatar
  • 101
9 votes
0 answers
264 views

Ghost in the Shellcode CTF started Fri 17 Jan 20:30 UTC, lasts 46 hours

Ghost in the Shellcode 2014 will be running from Friday 17 January 2014 at 20:30 UTC to Sunday 19 January 2014 at 18:30 UTC. Let's participate as team Sec.SE. You can see archives of previous years. ...
Gilles 'SO- stop being evil''s user avatar
5 votes
1 answer
181 views

_CTF_ Hack.lu 22nd-24th October

This is your 3 week warning team, check your diaries =) http://2013.hack.lu/index.php/CaptureTheFlag https://ctftime.org/event/97 WHO Everyone may participate. WHEN The CTF will ...
lynks's user avatar
  • 10.7k
5 votes
0 answers
215 views

ASIS-CTF: starts Thu 29 August 13:30 UTC, lasts 48 hours

Let's participate in the ASIS CTF as team Sec.SE. What is it all about? There are many contests around the world named CTF, Attack-Defence or Cyber Security; ASIS-CTF is one of them! ASIS-CTF is Task-...
Gilles 'SO- stop being evil''s user avatar
6 votes
1 answer
167 views

EBCTF: Fri 2 August 10:00 UTC, lasts 36 hours

Let's participate in the EBCFT CTF 2013 as team Sec.SE. After almost two years of fanatically playing in CTF competitions ourselves, the moment has finally come... Eindbazen is organizing their own ...
Gilles 'SO- stop being evil''s user avatar
4 votes
2 answers
169 views

DIMVA CTF: starts Wed 17 July 18:00 GMT

DIMVA Capture The Flag starts Wednesday 17 July at 18:00 GMT and lasts 44 hours. Some highlights from the rules: This is a level-based CTF, there is no attack and defense and it has challenges of ...
Gilles 'SO- stop being evil''s user avatar
10 votes
4 answers
1k views

UFO CTF 2013: July 19-21, 2013, 18:00 (UTC+4) (ended, including write-ups!)

This is an announcement for the upcoming UFO CTF 2013 that starts on July 19th, 2013 at 18:00 (UTC+4) and lasts 48 hours. The CTF will be in a Jeopardy format. All members of our Sec.SE CTF Team mark ...
TildalWave's user avatar
  • 10.8k
10 votes
3 answers
915 views

SIGINT CTF 2013 starts Friday 5 July 16:00 GMT (ended, including write-ups!)

Let's participate in the SIGINT CTF 2013 as team Sec.SE. During this years SIGINT in Cologne the CCCAC will hold it's second CTF. The competition is open to everyone and can be played online. ...
Gilles 'SO- stop being evil''s user avatar
9 votes
6 answers
567 views

DEF CON CTF 2013 qualifiers: 15–17 June (ended, including write-ups!)

DEF CON CTF 2013 qualifiers will start on Saturday, 15th of June 2013 at 00:00 UTC, and will last 48 hours until Sunday, 17th of June at 00:00 UTC (so midnight to midnight throughout the weekend). ...
TildalWave's user avatar
  • 10.8k
5 votes
2 answers
153 views

EBCTF Teaser 1st June midday UTC

The Eindblazen CTF Teaser has just started. I will be attempting a few of the challenges over the course of today. If anyone wants to help out, head over to the Sec.SE CTF team chat room. See the CTF ...
lynks's user avatar
  • 10.7k
7 votes
1 answer
139 views

ForbiddenBITS CTF 2013

The Sec.SE CTF team participated in ForbiddenBITS CTF 2013 as team secse.
Gilles 'SO- stop being evil''s user avatar
7 votes
2 answers
488 views

Plaid CTF April 2013

Announced through Twitter, we got this April 2013 Plaid CTF update: Plaid CTF ‏@PlaidCTF Plaid CTF is delayed by 1 hour. It will now start at 22:00 UTC. Sorry!! Just to let you all know. ...
TildalWave's user avatar
  • 10.8k
9 votes
0 answers
250 views

Security StackExchange CTF team update #1

I setup a ctf tag on meta. New posts should have that. We should all complete the challenges at http://smashthestack.org/. If you get stuck on a challenge, ask for help from other team members to ...
Jeff Ferland's user avatar
  • 38.3k
50 votes
6 answers
4k views

A Security Stack Exchange CTF team

Updates: Added first challenge to prepare We have a CTFTime team, secse. Please join this. We communicate over Slack. To get an invitation to the group you can contact Benoit Esnard, HamZa, Xavier59,...