Our first time doing Vancouver BSides which was an event said to be aimed at beginners and students. I was expecting a fun and medium challenge but I found it to be trickier than expected and where I knew the general direction of the solutions for a number of problems I didn't get enough time to focus on them during…

For this years CodeGate teams faced some ingenious challenges. Today I will write up the first challenge we solved which seems to have also been first for many of the teams. This challenge is Systemshock. □ description ========================================== Login : ssh systemshock@54.65.236.17 Password : systemshocked ========================================== Upon logging in you are placed into the systemshock user home path with the…

This challenge in the forensics genre had only the following as the clue: It seems that my files are gone! http://public.givemesecurity.info/gone.img.tar.bz2 Upon downloading and decompressing the gone.img.tar.bz2 file you find a Linux EXT4 filesystem which you can mount.  root@mankrik:~/opentoall/gone/tmp# file 1fdb86c25131bb3aa247bada29b29115.img 1fdb86c25131bb3aa247bada29b29115.img: Linux rev 1.0 ext4 filesystem data, UUID=1385df22-b2ce-4b4f-858e-79ae1932ca1a (extents) (huge files) However upon mounting the filesystem you find it…

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