FROM ubuntu:24.04

ENV DEBIAN_FRONTEND=noninteractive

RUN apt update && apt upgrade -y && \
    apt install -y \
    apache2 \
    curl \
    nano \
    vim \
    supervisor \
    openssh-server \
    sudo \
    cowsay \
    && rm -rf /var/lib/apt/lists/*

# the user players will need to have access as


RUN useradd -m -s /bin/bash l33t \
&& echo "l33t:h4x0r" | chpasswd

# foothold user with no sudo perms. Only access to the l33t user home directory.

RUN useradd webmaster

# apache2 config to change default 80 port to 31337

RUN sed -i 's/^Listen 80/Listen 31337/' /etc/apache2/ports.conf

RUN sed -i 's/<VirtualHost \*:80>/<VirtualHost *:31337>/' /etc/apache2/sites-available/000-default.conf

# copy the app

#COPY ./app/ /var/www/html/

RUN mkdir /var/run/sshd

# (suggestion)
# for the privesc, cowsay allowed to be ran with sudo without password
# https://gtfobins.github.io/gtfobins/cowsay/

RUN printf 'l33t ALL=(ALL) NOPASSWD: /usr/games/cowsay, /usr/bin/sudo -l\n' > /etc/sudoers.d/l33t && \
    chmod 0440 /etc/sudoers.d/l33t && \
    visudo -cf /etc/sudoers.d/l33t

# 22 port -> ssh, 31337 port (suggestion) -> vulnerable webserver players need to find using nmap port scans

EXPOSE 22
EXPOSE 31337

# config of supervisord to have both apache2 and sshd services running

COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# start supervisord
CMD ["/usr/bin/supervisord", "-n"]