Doc Resolution https://wiki.bi0s.in/ https://primer.picoctf.org/ https://ctf-wiki.mahaloz.re/ https://blog.reinom.com/securitymethods/ Creation https://ctfd.io/ https://infosecwriteups.com/how-to-make-our-own-ctf-challenge-with-ease-6b15f76865b5 https://dev.to/alanwest/why-frontier-llms-solve-your-ctf-challenges-in-minutes-and-how-to-fix-it-hd7 Challenges https://ctftime.org/ https://www.wechall.net/linked_sites Tools / Tips https://github.com/zardus/ctf-tools Work alone in /tmp cd $(mktemp -d) Scrap challenges https://github.com/p0dalirius/ctfd-parser Share files (private network) ip -br a ; mkdir secret && cd secret ; python3 -m http.server 8000 Firewall #!/bin/bash # Set default chain policies iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT iptables -F # Allow established sessions to receive traffic iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT # Set default chain policies iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT ACCEPT # Accept on localhost iptables -A INPUT -i lo -j ACCEPT iptables -A OUTPUT -o lo -j ACCEPT sudo iptables-save -f /etc/iptables/iptables.rules #sudo ip6tables-save -f /etc/iptables/ip6tables.rules sudo iptables-restore -f /etc/iptables/iptables.rules #sudo ip6tables-restore -f /etc/iptables/ip6tables.rules
