ctf-writeups

CTF scripts and writeups (mostly challenge + .py solving script)

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Syskron Security CTF 2019

URL: https://ctf2019.syskron-security.com/

Team: Gutenberg (TeamPowerPrinter)

Place: 2 (of 584)

Flags

                Fun/Trivia
History lesson in malware           (  10 points): {cve-2010-2568}
Tracing Bitcoins                    (  10 points): {54.3489921_BTC}
Making OPC UA secure                (  10 points): ...
Using an OPC UA service             (  10 points): ...
An e-mail and a link                ( 100 points): ...
A fundamental problem               ( 600 points): {you-solved-a-fundamental-problem}

                OS INT
Industrial sightseeing tour 1       ( 100 points): ...
Industrial sightseeing tour 2       ( 200 points): ...
Industrial sightseeing tour 3       ( 500 points): ...
Access the device!                  ( 200 points): ...

                Forensics
Error log                           ( 400 points): {the-motor-needs-to-be-replaced!}
Packets are wonderful               ( 500 points): ...
Bottle inspection                   ( 500 points): {there-is-a-flag-in-a-bottle}
My servo drive is getting mad       ( 500 points): {help_me_0ut}
The pasted leak                     ( 700 points): {n3v3r_r3cycl3_y0ur_53cr37_p455w0rd5}
Convenience first                   ( 700 points): {User0011-AAq5rm11}
Help me                             ( 200 points): {niw-ot-siht-retne}

                Crypto/Secret
Schlamperei                         ( 200 points): {silence_is_golden}
Enhanced PLC Encryption Standard    ( 600 points): {never-roll-your-own-crypto}
Salt on the shop floor              ( 800 points): {daniel-julius-bernstein}
Insider attack 1                    (   1 point ): {ok}
Insider attack 2                    ( 300 points): {*57984#}
Insider attack 3                    ( 800 points): {jclkzrukoudbkdrukxdayabbtwldkkd}
Insider attack 4                    (1000 points): {joint-doubt-beast-dutch-move-planet}