offical repo:

https://github.com/Nautilus-Institute/quals-2025

https://github.com/Live-CTF/LiveCTF-DEFCON33/tree/main

Basic:

🐱‍💻🌐: [105 solves]

Description

$ export INPUT="____ ___ _______"  # some string goes here
$ "${@#IV}"  ''p''"${@,,}"rintf  %s  "$(  Ax='  '"'"'E'"'"'"V"A"L" "$( ${@,}  P"R"I'"'"''"'"'\\NTF %S  '"'"'23- C- TUC | MUS5DM | tupni$ OHCE ;ENOD ;LLUN/VED/> MUS5DM | tupni$ OHCE ;I$ PEELS OD ;)0001 1 QES($ NI I ROF'"'"'  ${*##.}|${@%;}  RE${@}V${*%%O1}  ${@%\\`}   )" '$*  &&${@/-_/\\{}p$'\\162i'${*##E}n${*%%B*}tf  %s  "${Ax~~}"  $@ ;  ${!*}   )"  "$@" | b"a"sh  ${*//c}

Remember the flag format. Please put the output within flag{} before submission.

Quals:

memorybank: [126 solves]

Description
Join our memorybank to collect your free tokens!
[<http://memorybank-tlc4zml47uyjm.shellweplayaga.me/>](<http://memorybank-tlc4zml47uyjm.shellweplayaga.me/>)
Connect to our ATM Machine Machine online:
nc memorybank-tlc4zml47uyjm.shellweplayaga.me 9005

Ticket:
This challenge requires a ticket to connect. Your team's ticket is:
ticket{SocksSam2256n25:2LQA6qhp1youNa6X0yISX9ytAg0LTTkWp87ko72Vw5D1Ky_t}
This ticket and the flag are traceable to your team. Do not share it with other teams, and do not try to submit a flag from another team.

Files
[memorybank.tar.gz](<https://n25.icantbelieveitsnotmalware.zip/challenge_file/i5xg1ohn3btg5rg23p2py0zlvwdc>)

memorybank.tar.gz

Ten of Spades: [80 solves]

Description
Will you reap what you sow?
nc tenspades-vyl6gsuoz7nky.shellweplayaga.me 1337

Ticket
This challenge requires a ticket to connect. Your team's ticket is:
ticket{CoconutDaisy6820n25:7ynJZk7BqdiAGNVE9M5UQVeil7vg1yCDBQZcUxaNRmsNFJSR}
This ticket and the flag are traceable to your team. Do not share it with other teams, and do not try to submit a flag from another team.

Files
[tenspades-1fac6773260f0e9a7334c4130fbba3eaeb2d0368.zip](<https://n25.icantbelieveitsnotmalware.zip/challenge_file/jn1jkigbxmr4eklqbtcv8152rbt8>)

tenspades.zip

totem1: [71 solves]

Description
Let's your true instructions shine!

Files
[totem1-uploadme](<https://n25.icantbelieveitsnotmalware.zip/challenge_file/jlsd1vz6c1rgnoq1fzdp1uprb5p2>)

totem1-uploadme.zip