Backups
RSA factordb attack
Problem
The backup of the home directories might contain too much information.
Bob
Factordb attack worked.
backup ~/Tools/RsaCtfTool/RsaCtfTool.py --publickey bob/.ssh/authorized_keys --private

$ chmod 600 .ssh/id_rsa
$ ssh -p2222 -i .ssh/id_rsa [email protected]
midnight{Turn_electricity_t0_h347}
Alice
Same thing for the first key, alice@work.

$ chmod 600 .ssh/id_rsa
$ ssh -p2222 -i .ssh/id_rsa [email protected]
midnight{factorization_for_the_Win}
Connection to backup-01.play.midnightsunctf.se closed.
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