28 lines
1.2 KiB
Bash
28 lines
1.2 KiB
Bash
# The honeypot: whatever listens on port 2323 from /root/threats.
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for pid in $(ss -ltnpH "sport = :2323" 2>/dev/null | grep -o 'pid=[0-9]*' | cut -d= -f2 | sort -u); do
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kill "$pid" 2>/dev/null
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done
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rm -rf /root/threats /root/lab-answers/1 /root/lab-answers/3 /root/lab-answers/5
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# The packages installed since setup started, and only those: not the
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# dependencies they leave unneeded that were there before.
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pkgs_now() { if is_rhel; then rpm -qa --qf '%{NAME}\n'; else dpkg-query -W -f '${db:Status-Abbrev} ${Package}\n' | awk '$1 == "ii" { print $2 }'; fi | sort -u; }
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if [ -s "$LAB_STATE/pkgs-before" ]; then
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new=$(pkgs_now | comm -13 "$LAB_STATE/pkgs-before" - | grep -Ev '^(kernel|linux-)')
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if [ -n "$new" ]; then
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say "Removing the packages installed since the lab started..."
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if is_rhel; then
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dnf -y -q remove --setopt=clean_requirements_on_remove=False $new >/dev/null 2>&1
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else
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DEBIAN_FRONTEND=noninteractive apt-get -y -qq purge $new >/dev/null 2>&1
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fi
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fi
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fi
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if [ -f "$LAB_STATE/firewalld.tar" ]; then
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rm -rf /etc/firewalld && tar -C /etc -xf "$LAB_STATE/firewalld.tar"
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firewall-cmd -q --reload
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elif [ -f "$LAB_STATE/ufw.tar" ]; then
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rm -rf /etc/ufw && tar -C /etc -xf "$LAB_STATE/ufw.tar"
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ufw reload >/dev/null
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fi
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true
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