At 09:00 on June 19, 2023, the 8th XCTF International League Substation - SCTF 2023 ended successfully. This competition is organized by the XCTF international league cooperation unit - the Syclover team of Chengdu University of Information Science and Technology, with technical support provided by Saining Wangan.
After 48 hours of fighting to capture the flag, the joint team Nu1L finally beat the pack and won the championship; Tianshu Dubhe of Beijing University of Posts and Telecommunications, and the joint team W&M won the second and third places respectively; the joint team S1uM4i, and the nebula team of the University of Science and Technology of China Ranked fourth and fifth.
The final ranking is subject to the WP audit results
Tournament list
SCTF 2023 is set by the Syclover team of Chengdu University of Information Technology. As a veteran cooperative team in the XCTF international league, the Syclover team is familiar with the design of the questions, and the quality and interest of the questions are both high. A total of 29 competition questions were released in this competition, and all the teams were fully fired. The number one Nu1L team successfully solved 26 competition questions, AK (All Kill) Reverse and Web two tracks; Tianshu Dubhe and W&M teams respectively succeeded Solve 23 and 21 competition questions.
There were 5 competition questions released in the direction of Misc. Teams Nu1L, Tianshu Dubhe, W&M, S1uM4i and L3H Sec all successfully AKed the track, and many teams successfully solved 4 competition questions.
The Reverse direction is the highlight of this competition. A total of 7 competition questions have been released. Nu1L, Tianshu Dubhe and nebula team are only one question away from achieving AK. Among them, nebula team has won 6 competition questions with the record of the previous three bloods; Arr3stY0u team He also won 4 top three bloods on the track by himself.
Teams Nu1L and W&M succeeded in 6 races in the direction of AKWeb, and Team Tianshu Dubhe occupied the top 5 bloods on the track.
The Crypto-direction question [Full Band Blocking Interference (Part 1)] was the only question that was not successfully solved by any team. The Nu1L team won the remaining 4 questions with a record of all three bloods.
6 competition questions were released in the Pwn direction, and Nu1L and Tianshu Dubhe were only one question away from achieving AK; Nu1L and W&M teams both won the top three bloods in 3 competition questions.
Event Highlights
#Appeared! reverse! #The
countdown to the end of the game was 12 hours, and Nu1L played 6 competition questions overnight, including 3 top three bloods, breaking the three-legged situation of Tianshu Dubhe, Nu1L and W&M teams, and successfully surpassed and won the championship.
#Appeared! dark horse! #
华南大学联合队队S1uM4i was born out of nowhere, and won the first blood on the Crypto track at the beginning. The momentum was strong throughout the game, and finally won the fourth place; in addition, 1stW0lf and Fulaige team performed very well in this competition Brilliant, looking forward to the performance of the next game~
#常人早夜上大分# On
the night before the end of the game, teams such as Volcano, Nepnep, bad_cat, and NaN Team continued to submit flag scores, and the final ranking rose sharply.
SCTF 2023 came to a successful conclusion. Thanks to the Syclover team for organizing this event and providing high-quality problem-making and operation and maintenance services, thanks to Saining Wangan for providing technical platform support for this event, and thanks to all the CTF teams participating in this event, I hope that everyone can effectively improve their own network security technology level through the form of "competition training".
At the same time, I would also like to thank the competition partners: Huawei, 360 Government and Enterprise Security, Bytedance Security Center, Ant Group Security Response Center, Xunfei Security, and Shell Security Emergency Response Center for their strong support.