Actf 2022 came to a successful conclusion, and 0ops team won the second consecutive championship!!

2022 year 06 month 27 Japan 09:00, after 48 Hours of fierce competition , The seventh XCTF The last leg of the International League ：ACTF 2022 The curtain came to a close . This event is organized by XCTF The International League hosts , Co organized by Nanjing Science and Technology Association , Zhejiang University AAA Team organization , Saining network security provides technical support .

As the last chance for each team to compete for the final seat ,ACTF 2022 Be in the limelight . The event has attracted a total of people from all over the world 66 Countries and regions 、477 Detachment 、2174 Person time participation ,310 Teams successfully signed in . among , International team zer0pts、SuperGuesser(parrot409)、bi0s And so on , And achieved good results .

Final , Shanghai Jiaotong University 0ops The team led the game by a big score , Strong title ; Hangzhou University of Electronic Science and technology Vidar-Team The team ranks second , Take the second place ; Peking University, pkucc The team is emerging , Won the third place ; United Universities r4kapig team 、SU The team ranks fourth 、 The fifth .

Tournament ranking

Welcome to vote and score for this event ：

https://ctftime.org/event/1682

Event data

This competition is organized by Zhejiang University AAA The team sets questions , The competition questions are not stereotyped , The difficulty of the topic is new high . The cumulative release of the game 36 Daosai questions ,33 The competition question was successfully solved , Many of them were only cracked by individual teams .

Face more challenging competition questions , The participating teams showed a super high comprehensive competitive level . Number one 0ops The team has solved 28 Daosai questions ,AK（All Kill）Crypto、Pwn and Web Multiple tracks ; ranking 2-4 Bit Vidar-Team、pkucc and r4kapig The team solved 17 Daosai questions , The strength is equal ;SU The team solved 16 Daosai questions , Basically, the results of the previous three blood AK Web Track .

Crypto Direction cumulative release 6 Daosai questions ,0ops The team achieved all three blood AK This direction , One of the blood has 5 Avenue ;L The performance of the team in this direction is also very bright , Take down 4 The first two blood of the Dao problem , Strength is obvious to all .

Reverse Or the most difficult direction of this competition , Cumulative release 6 Daosai questions ,2 The title of the road is pending , among AAA Team instructor blackwhite The master made it with great efforts [ARealBug], It can be used as a long-term challenge for CTFer Study hard .

Pwn Direction cumulative release 6 Daosai questions ,0ops The team is the only AK The team in this direction , but Vidar-Team、zer0pts And other teams have shown great strength in this direction .

Misc Direction cumulative release 10 Daosai questions , It is the highlight of this event .L3H Sec The team successfully cracked 8 Daosai questions , It is the team with the highest score in this direction , Next is 0ops team .Vidar-Team、pkucc、Redbud、Lilac and Maple Bacon The team performed well .

Blockchain Directions total 3 Daosai questions ,[Weird EVM] Not successfully cracked ;[AAADAO] Competition questions by blocksec Team production , Close to Realworld It has been highly praised by the title makers .

share 6 Detachment AK 了 Web Direction 5 Daosai questions ：0ops、Vidar-Team、SU、ROIS、parrot409 and NEDog team .

Highlights

TQL!0ops The team achieved the second consecutive championship ！
Successive *CTF 2022 After winning the title ,0ops The team won two consecutive championships in this event .

0ops The strong performance of the team in this competition is impressive . Soon after the start of the race, he broke out , After that, I rode to the top . Stable output in the whole process , Harvest the first three blood in succession , Total solution 28 Daosai questions , Take down 16 The problem is currently three blood ,AK Crypto、Pwn and Web Three directions .

OMG! The through ticket will be postponed , The fairy to fight ！
The race schedule is nearly half ,0ops The team is expected to achieve a second consecutive championship , And according to the league rules , The final straight quota of this competition will be awarded to the runner up team .Vidar-Team、pkucc Teams are strong candidates , The stalemate between the two teams began .

pkucc And Vidar-Team Team, you come and I go , Take turns at the top , The difference is always close ,pkucc The team once had the upper hand . The night before the end of the game ,Vidar-Team Submit 3 Daosai questions , Successfully defend the runner up throne , Collect the last through ticket of the finals .

The seventh XCTF The last leg of the International League has come to a successful conclusion , The final is in sight . Congratulations to those who have got the straight through place of the finals CTF team , The remaining seats will be based on the seventh XCTF The ranking list is finalized , Coming soon ！

Last , thank AAA The team organizes this event and provides high-quality problem setting and operation and maintenance services . Thanks for the technical platform support provided by saining Wangan for this event , Thank you to all who participated in this event CTF team , I hope that through ‘ Practice by competition ’ In the form of , Effectively improve their own network security technology level .

At the same time, special thanks to the competition partners ： Huawei 、360 Government and enterprise security 、 Byte beating Security Center 、 Ant group security response center 、 IFLYTEK security 、 The strong support of the shell Security Emergency Response Center ; Special thanks to the co organizers of the competition ： Nanjing Science and Technology Association .