Tanguy Dubroca SiD3W4y
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| import requests | |
| import urllib | |
| import bs4 | |
| import json | |
| import base64 | |
| def parse_card(elem): | |
| result = { | |
| "name":"", | |
| "phone":"", |
SiD3W4y
/ ctf_md5_bot.rs
Created
March 2, 2017 18:28
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| extern crate crypto; | |
| extern crate rand; | |
| use std::thread; | |
| use std::io::{Read,Write,BufRead,BufReader,BufWriter}; | |
| use std::net::{TcpListener, TcpStream}; | |
| use rand::Rng; | |
| use crypto::md5::Md5; | |
| use crypto::digest::Digest; |
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| #!/usr/bin/zsh | |
| ARCH="elf64" | |
| TARGET="" | |
| MODE="raw" | |
| while getopts "a:f:e" arg; do | |
| case $arg in | |
| a) |
SiD3W4y
/ re2-solver.py
Last active
April 3, 2017 08:54
Code to compute the flag reversed from the challenge binary (alexctf)
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| # Flag used to build the final one | |
| flag = "L3t_ME_T3ll_Y0u_S0m3th1ng_1mp0rtant_A_{FL4G}_W0nt_b3_3X4ctly_th4t_345y_t0_c4ptur3_H0wev3r_1T_w1ll_b3_C00l_1F_Y0u_g0t_1t" | |
| # Code table made of indices (used with the first flag) | |
| table = [36, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 54, 0, 0, 0, 101, 0, 0, 0, 7, 0, 0, 0, 39, 0, 0, 0, 38, 0, 0, 0, 45, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 86, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, 101, 0, 0, 0, 3, 0, 0, 0, 45, 0, 0, 0, 22, 0, 0, 0, 2, 0, 0, 0, 21, 0, 0, 0, 3, 0, 0, 0, 101, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 1, 0, 0, 0, 68, 0, 0, 0, 43, 0, 0, 0, 0, 0, 0, 0] | |
| """ | |
| Using this code table (dumped from memory) | |
| 0x24 0x00 0x00 0x00 0x00 0x00 0x00 0x00 | |
| 0x05 0x00 0x00 0x00 0x36 0x00 0x00 0x00 |
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| open Sys;; | |
| let rec repeat chr times = | |
| match times with | |
| | 0 -> () | |
| | _ -> print_string chr; repeat chr (times-1) | |
| ;; | |
| let print_entry path level = | |
| repeat " " level; |
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| import struct | |
| # Table dumped from executable | |
| maybe_table = struct.pack ("512B", *[ | |
| 0x01,0xbb,0x02,0x9b,0x03,0xc4,0x04,0x6c,0x05,0x4a,0x06, | |
| 0x2e,0x07,0x22,0x08,0x45,0x09,0x33,0x0a,0xb8,0x0b,0xd5, | |
| 0x0c,0x06,0x0d,0x0a,0x0e,0xbc,0x0f,0xfa,0x10,0x79,0x11, | |
| 0x24,0x12,0xe1,0x13,0xb2,0x14,0xbf,0x15,0x2c,0x16,0xad, | |
| 0x17,0x86,0x18,0x60,0x19,0xa4,0x1a,0xb6,0x1b,0xd8,0x1c, | |
| 0x59,0x1d,0x87,0x1e,0x41,0x1f,0x94,0x20,0x77,0x21,0xf0, |
SiD3W4y
/ bootload_emu.py
Created
September 17, 2017 12:48
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| from unicorn import * | |
| from unicorn.x86_const import * | |
| import struct | |
| class FlagStream: | |
| flag = "flag" | |
| def __init__(self,pattern): | |
| self.flag += pattern |
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| #include <stdio.h> | |
| int main() | |
| { | |
| int a = 2; | |
| int b = 4; | |
| int c = a + b + 3; | |
| printf("Resultat %d\n",c); |
SiD3W4y
/ ladybot.py
Last active
October 26, 2017 21:41
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| import struct | |
| # LSE LadyBot assembler lib | |
| class Ops: | |
| MOVE = 0x00 | |
| ADD = 0x10 | |
| EQ = 0x20 | |
| LT = 0x30 | |
| LE = 0x40 |
SiD3W4y
/ stealth.py
Created
February 23, 2018 20:16
import unittest without using any obvious method, could be used to fake tests using unittest for automatic grading (theorically and with further improvement)
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| # it is the bytecode used in the code constructor | |
| #def s(): | |
| # import unittest as m | |
| # return m | |
| # we need a dummy function to inject the code object in it | |
| def dummy(): | |
| pass | |
| dummy.__code__=type(dummy.__code__)(0,0,1,2,67,b'd\x01d\x00l\x00}\x00|\x00S\x00',(None,0),('unittest',),('m',),'','',1,b'\x00\x01\x08\x01') |
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