Update: challenges will stay live until 01:00 UTC.
Update: sources for all challenges
https://s3-us-west-2.amazonaws.com/public.files.9447.plumbing/9447ctf2015-release.tar.gz
Update: please submit all your writeups to:
https://github.com/ctfs/write-ups-2015/tree/master/9447-ctf-2015
Update: write-ups will be published asap. Within a week, hopefully.
Update: final winners will be announced in 24-48 hours, when logs have been analyzed to assure fair play.
Update: to help us improve for next year, please consider filling out our feedback form:
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