38 lines
877 B
Docker
38 lines
877 B
Docker
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FROM ubuntu:22.04
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RUN apt-get update && \
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apt-get install -y sudo ssh less
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RUN useradd -m hacker
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RUN echo "hacker:hacker0619" | chpasswd
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RUN mkdir /var/run/sshd
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WORKDIR /home/hacker
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RUN mkdir /home/hacker/dev && \
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mknod /home/hacker/dev/null c 1 3 && \
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mknod /home/hacker/dev/zero c 1 5 && \
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mknod /home/hacker/dev/random c 1 8 && \
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mknod /home/hacker/dev/urandom c 1 9 && \
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chmod 666 /home/hacker/dev/*
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RUN mkdir /home/hacker/bin && \
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cp /bin/ls /home/hacker/bin && \
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cp /bin/cat /home/hacker/bin && \
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cp /bin/head /home/hacker/bin && \
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cp /bin/more /home/hacker/bin && \
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cp /bin/tac /home/hacker/bin
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COPY ./bin/ /home/hacker/
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RUN chown -R root:hacker /home/hacker && \
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chmod -R 750 /home/hacker && \
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chmod 700 /home/hacker/flag && \
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chmod u+s /home/hacker/bin/tac
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CMD ["/usr/sbin/sshd", "-D"]
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EXPOSE 22
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