web3 newbie’s solver for SafeBridge in rwctf 2024 Objective Drain the BRIDGE (L1ERC20Bridge) of its WETH balance. Setup The challenge setup is using the challenge.py file, with relayer.py also ...
(CTF) corCTF 2023 writeup (diophantus,babyWallet,utterly-tangled)
corCTF twitter participated with cat :flag_kr: and placed 3rd blockchain/baby-wallet (24 solves) //SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.17; // 100 ether contract BabyWall...
(CTF) Google CTF 2023 writeup (oldschool, ubf)
oldschool Analyzing the logic, there is a condition that when password is made into a 5x5 matrix and matrix multiplication is performed with a 5x5 matrix made using id after sbox, xor, and shift ro...
(CTF) SEETF CTF 2023 NOW, Murky SEEPass writeup
Date: June 12, 2023 rank: 1 team: ProjectSekai It’s the first writeup since joining the ProjectSekai. I joined the second day after CCE (local ctf organized by NIS). I took some reversing and smar...
(CTF) just CTF 2023 rustberry, manGO writeup
rustberry if (puVar1 != (undefined4 *)0x0) { puVar1[0x25] = 0x7; puVar1[0x29] = 0x1c; puVar1[0x2a] = 0xff; puVar1[0x18] = 0x3; puVar1[0x26] = 0x21; puVar1[0x19] = 0x1a; ...
(CTF) angstrom CTF 2023 noleek writeup
Date: April 27, 2023 team: ST4RT noleek - PWN #include <stdio.h> #include <stdlib.h> #define LEEK 32 void cleanup(int a, int b, int c) {} int main(void) { setbuf(stdout, NULL);...
(CTF) Plaid CTF 2023 Treasure Map, CSS writeup
Date: April 16, 2023 team: ST4RT There were two javascript&css reversing challenges in Plaid CTF, I had a headache, so just solved two easy challenges Treasure Map - REV import { go } from "...
(CTF) LINE CTF 2023 fishing writeup
Date: March 25, 2023 rank: 60 team: ST4RT fishing - rev ( 166 pt, 32 solve ) In _main function, calls _do_global_ctors and functions at 0x140004100 are called in turn _main 함수에서 _do_global_c...
(CTF) 2023 b01lers CTF writeup
Date: March 20, 2023 rank: 19 team: ST4RT cfifuuufuuuuu ( 398 pt, 13 solve ) there are two files loader.pyc, a binary while 1: # res = ptrace(PTRACE_GETREGS, pid, 0, ctypes.addressof(regs)) ...
(CTF) 2022 hxp required writeup
rank: 68 required ( 182 pt, 43 solve ) f=[...require('fs').readFileSync('./flag')] require('./28')(753,434,790) require('./157')(227,950,740) require('./736')(722,540,325) require('./555')(937,26...