Each team is required to submit 2 challenges to the challenge bank of the sponsor.
Challenge 1: must be on the Windows platform;
Challenge 2: No platform restriction
No challenge type restriction (Pwn, Reverse...)
Marking by the judge
(3). Miscellaneous score（10%）
Time limit and criterion of challenge submission
It is forbidden to reveal challenges ahead of contest schedule.
It is forbidden to attack the server of the contest.
It is forbidden to attack the server of other teams.