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33 linhas
1.1 KiB
33 linhas
1.1 KiB
# Use ubuntu 16.04
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FROM ubuntu:16.04
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RUN apt-get update && apt-get -y dist-upgrade --fix-missing --fix-broken
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# install socat editor ssh
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RUN apt-get install curl netcat-openbsd vim nano openssh-server socat lib32ncurses5 python python-pip python-dev ruby-full -y
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RUN adduser --disabled-password --gecos "" ksl
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RUN echo "ksl:sebuahrahasiamas" | chpasswd
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ADD chall/. /chall
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WORKDIR /chall
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RUN cp /usr/bin/ruby /usr/local/bin/
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RUN cp /usr/bin/curl /usr/local/bin/
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RUN echo 'KSL{n0T_0nLy_p1P3_L1n3_C4n_D0_Th4T}' > /chall/flag.txt # ubah isi flagnya
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# Secure ENV
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RUN echo 'alias kill="echo no kill please!"' >> ~/.bashrc
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RUN chmod 700 /tmp /usr/bin/* /bin/* /dev/shm
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RUN chmod 755 /usr/bin/env /bin/dash /bin/bash /bin/sh /bin/nc /bin/cat /usr/bin/curl /usr/bin/groups /usr/bin/id /bin/ls /usr/bin/python /usr/bin/ruby
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RUN chown root:ksl /chall/header.rb # ubah nama file
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RUN chmod 775 /chall/header.rb # ubah nama file
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# Run Service
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RUN echo '#!/bin/bash'"\n(socat TCP-LISTEN:5550,reuseaddr,fork EXEC:"/chall/header.rb,su=nobody")" > /var/tmp/.start.sh && chmod +x /var/tmp/.start.sh
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CMD ["/var/tmp/.start.sh"]
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