079
Projects Blog About

    How to Make Models Reason with GRPO

    research RL

    Sharing learning notes about GRPO (Group Relative Policy Optimization) for learning and reviewing purposes.

    26 March 2025

    Paper Review: TradeMaster

    research RL

    Paper reivew of NeurIPS-published TradeMaster (Sun, 2023)

    15 December 2023

    Just CTF: Baby Otter

    CTF solana

    Solution to Just CTF Solana challenge, Baby Otter.

    05 July 2023

    DEFCON 2023 Qualifier: LiveCTF

    Pwn

    Solutions to LiveCTF challenges from DEFCON 2023 Quals

    04 June 2023

    A Plaid CTF Review: Sandybox

    vmescape

    tricking ptrace using shellcode and int3

    25 May 2023

    DEFCON 2022 Quals: hash-it-0

    Pwn

    shellcoding using hash functions

    30 April 2023

    pwnable.kr: syscall

    Kernel

    syscall overwriting

    29 April 2023

    Hack the Box: Kernel Adventures: Part 1

    Kernel

    Double fetch / race condition

    24 April 2023

    LINE '23: simple blogger

    CTF Pwn

    LINE CTF's server-client pwn challenge

    02 April 2023

    Wolv CTF: Squirrel Feeding

    CTF Pwn

    wolv ctf out-of-bounds abusement

    22 March 2023

    Kalmar CTF: mjs

    CTF Browser

    kalmar ctf web browser exploitation challenge

    08 March 2023

    Perfect Blue '23: flipjump1

    CTF Misc

    pbctf misc challenge

    24 February 2023

    Dice '23: Baby Solana

    CTF BlockChain

    dice ctf smart contract challenge

    19 February 2023

    Dice '23: BOP

    CTF Pwn

    dice ctf web seccomp rop challenge

    11 February 2023

    Hack the Box: Blunder

    Web

    hackthebox.eu easy box challenge

    10 October 2020

    Hack the Box: Find the Secret Flag

    RE

    hackthebox reverse engineering challenge

    27 September 2020

    Hack the Box: Invite Code

    Web

    hackthebox registration tutorial

    15 September 2020

    Welcome!

    General

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    13 September 2020
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