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galanggg 2 years ago
parent
commit
e8781a67a4
3 changed files with 31 additions and 3 deletions
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      calc-pwn/Dockerfile
  2. +0
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      calc-pwn/chall/calc.py
  3. +0
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      calc-pwn/server.sh

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calc-pwn/Dockerfile View File

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# Use ubuntu 16.04
FROM ubuntu:16.04
RUN apt-get update && apt-get -y dist-upgrade --fix-missing --fix-broken
# install socat editor ssh
RUN apt-get install curl netcat-openbsd vim nano openssh-server socat lib32ncurses5 python python-pip python-dev -y
RUN adduser --disabled-password --gecos "" ksl
RUN echo "ksl:sebuahrahasiamas" | chpasswd
ADD chall/. /chall
WORKDIR /chall
RUN echo 'KSL{EVAL_4_LYFE}' > /chall/flag.txt # ubah isi flagnya
# Secure ENV
RUN echo 'alias kill="echo no kill please!"' >> ~/.bashrc
RUN chmod 700 /tmp /var/tmp /usr/bin/* /bin/* /dev/shm
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
RUN chown root:ksl /chall/calc.py # ubah nama file
RUN chmod 775 /chall/calc.py # ubah nama file
# Run Service
RUN echo '#!/bin/bash'"\n(socat TCP-LISTEN:7000,reuseaddr,fork EXEC:"/chall/calc.py,su=nobody")" > /var/tmp/.start.sh && chmod +x /var/tmp/.start.sh
CMD ["/var/tmp/.start.sh"]

calc-pwn/calc.py → calc-pwn/chall/calc.py View File


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calc-pwn/server.sh View File

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#!/bin/bash
socat TCP-LISTEN:5000,reuseaddr,fork EXEC:./calc2.py

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