offcial repo:

https://github.com/uclaacm/lactf-archive/tree/main/2025

Pwn:

2password: [339 solves]

By kaiphait

2Password > 1Password

nc chall.lac.tf 31142

Downloads
[chall](<https://chall-files.lac.tf/uploads/29300e1ae5ea6df8c0aed7d5c08ab5d80c257899cf4a6d92290e4e54290dacde/chall>)
[Dockerfile](<https://chall-files.lac.tf/uploads/3349a11daef3e971b0413cc8ecd42eb887e82dd746cd2af85c684f5d3bfb1d02/Dockerfile>)
[chall.c](<https://chall-files.lac.tf/uploads/7d44d9ab7cf5e8cc181ea037d2dae01f3f4cb49040d55c15232019082bdfaba5/chall.c>)
[ld-linux-x86-64.so.2](<https://chall-files.lac.tf/uploads/7288c75488697bad29619f7ad123b8e467744f500369689d97de13197d282e87/ld-linux-x86-64.so.2>)
[libc.so.6](<https://chall-files.lac.tf/uploads/666bb96697d92290e2172a8403040f9e3ebdd06aa4d4769080649c92201a9aad/libc.so.6>)

2password.zip

state-change: [146 solves]

By asdiml

Changes in state are like rustlings in the wind

nc chall.lac.tf 31593

Downloads
[chall](<https://chall-files.lac.tf/uploads/d538733c7408bb1cad86b44d2e5746a05a1676e26ef2a600b86fb065f3dc51ae/chall>)
[chall.c](<https://chall-files.lac.tf/uploads/3fbeb91b37fd41c111db1ad856d2fe8a3261816757dbb25a4788ac45889c31de/chall.c>)

state-change.zip

gamedev: [108 solves]

By bliutech

You've heard of rogue-likes, but have you heard of heap-likes?

nc chall.lac.tf 31338

Downloads
[ld-linux-x86-64.so.2](<https://chall-files.lac.tf/uploads/7288c75488697bad29619f7ad123b8e467744f500369689d97de13197d282e87/ld-linux-x86-64.so.2>)
[libc.so.6](<https://chall-files.lac.tf/uploads/666bb96697d92290e2172a8403040f9e3ebdd06aa4d4769080649c92201a9aad/libc.so.6>)
[Dockerfile](<https://chall-files.lac.tf/uploads/3349a11daef3e971b0413cc8ecd42eb887e82dd746cd2af85c684f5d3bfb1d02/Dockerfile>)
[chall](<https://chall-files.lac.tf/uploads/b3d540a900c9f297b7e9a6d24a6358578e3ebf75e0de8d43e3bcaccc9e52c20a/chall>)
[chall.c](<https://chall-files.lac.tf/uploads/594550b8c131dbdd9f6fd364985c45df6f3239726bce155a0becd591204c5bd0/chall.c>)

gamedev.zip

minceraft: [80 solves]

By kaiphait

look mom i made minecraft!

nc chall.lac.tf 31137

Downloads
[ld-linux-x86-64.so.2](<https://chall-files.lac.tf/uploads/7288c75488697bad29619f7ad123b8e467744f500369689d97de13197d282e87/ld-linux-x86-64.so.2>)
[libc.so.6](<https://chall-files.lac.tf/uploads/666bb96697d92290e2172a8403040f9e3ebdd06aa4d4769080649c92201a9aad/libc.so.6>)
[Dockerfile](<https://chall-files.lac.tf/uploads/3349a11daef3e971b0413cc8ecd42eb887e82dd746cd2af85c684f5d3bfb1d02/Dockerfile>)
[chall](<https://chall-files.lac.tf/uploads/dc6e0d09506bb2abf23065527781a3a6800f0601e52b64d617eb3c8a2c2d316e/chall>)
[chall.c](<https://chall-files.lac.tf/uploads/e70991710af2a303c2e7125ade9d01044abb77d2485126741595bfc7ebe95bf5/chall.c>)

minceraft.zip

library: [26 solves]